Domain: threatpost.com
Stories and comments across the archive that link to threatpost.com.
Stories · 644
-
Stagefright Patch Incomplete and Zero Day in Android Google Admin App Found
msm1267 writes: A patch distributed by Google for the infamous Stagefright vulnerability found in 950 million Android devices is incomplete and users remain exposed to simple attacks targeting the flaw. Researchers at Exodus Intelligence discovered the issue in one of the patches submitted by Zimperium zLabs researcher Joshua Drake. Google responded today by releasing a new patch to open source and promising to distribute it next month in a scheduled OTA update for Nexus devices and to its partners. Drake's original patch failed to account for an integer discrepancy between 32- and 64-bit, Exodus Intelligence said. By inputting a specific 64-bit value, researchers were able to bypass the patch. Exodus, which submitted a bug fix of its own to Google, said it decided to go public with its findings for several reasons, including the fact that the vulnerability was widely publicized by Zimperium before and during Black Hat, not to mention that Google has had the original bug report since April, yet neither party noticed the discrepancy in the patch. The Android security team at Google is having a busy month. Trailrunner7 writes: Researchers at MWR Labs have released information on an unpatched vulnerability that allows an attacker to bypass the Android sandbox. -
Manipulating Microsoft WSUS To Attack Enterprises
msm1267 writes: Microsoft's enterprise-grade Windows Server Update Services (WSUS), used to download and distribute security and driver updates, poses a significant weak spot if not configured properly. Researchers Paul Stone and Alex Chapman during last week's Black Hat conference presented research (PDF) on the the WSUS attack surface and discovered that when a WSUS server contacts Microsoft for driver updates, it does so using XML SOAP web services, and those checks are not made over SSL.
While updates are signed by Microsoft and updates must be verified by Microsoft, Stone and Chapman discovered that an attacker already in a man-in-the-middle position on a corporate network, for example, could, with some work, tamper with the unencrypted communication and inject a malicious homegrown update. -
Latest Samy Kamkar Hack Unlocks Most Cars
msm1267 writes: Samy Kamkar has built a new device called Rolljam that is about the size of a wallet and can intercept the codes used to unlock most cars and many garage doors. The device can be hidden underneath a vehicle and when the owner approaches and hits the unlock button on her key or remote, the device grabs the unique code sent by the remote and stores it for later use. The device takes advantage of an issue with the way that vehicles that use rolling codes for unlocking produce and receive those codes. Kamkar said that the device works on most vehicles and garage doors that use rolling, rather than fixed codes. -
Honeywell Home Controllers Open To Any Hacker Who Can Find Them Online
Trailrunner7 writes: Security issues continue to crop up within the so-called "smart home." A pair of vulnerabilities have been reported for the Tuxedo Touch controller made by Honeywell, a device that's designed to allow users to control home systems such as security, climate control, lighting, and others. The controller, of course, is accessible from the Internet. Researcher Maxim Rupp discovered that the vulnerabilities could allow an attacker to take arbitrary actions, including unlocking doors or modifying the climate controls in the house. -
A Tweet-Sized Exploit Can Get Root On OS X 10.10
vivaoporto writes: The Register reports a root-level privilege-escalation exploit that allows one to gain administrator-level privileges on an OS X Yosemite Mac using code so small that fits in a tweet. The security bug, documented by iOS and OS X guru Stefan Esserwhich, can be exploited by malware and attackers to gain total control of the computer. This flaw is present in the latest version of Yosemite, OS X 10.10.4, and the beta, version 10.10.5 but is already fixed in the preview beta of El Capitan (OS X 10.11) Speaking of exploits: Reader trailrunner 7 notes that "HP’s Zero Day Initiative has released four new zero days in Internet Explorer that can lead to remote code execution." -
Hacking Team's RCS Android May Be the Most Sophisticated Android Malware Ever Exposed
An anonymous reader writes: As each day passes and researchers find more and more source code in the huge Hacking Team data dump, it becomes more clear what the company's customers could do with the spyware. After having revealed one of the ways that the company used to deliver its spyware on Android devices, Trend Micro researchers have analyzed the code of the actual spyware: RCS Android (Remote Control System Android). Unsurprisingly, it can do so many things and spy on so many levels that they consider it the most sophisticated Android malware ever exposed. The software can, among other things, gather device information, capture screenshots and photos, record speech by using the devices' microphone, capture voice calls, record location, capture Wi-Fi and online account passwords, collect contacts and decode messages from IM accounts, as well as collect SMS, MMS, and Gmail messages. Hacking Team says it sold its surveillance and intrusion software strictly within the law. -
Netragard Ends Exploit Acquisition Program After Hacking Team Breach
Trailrunner7 writes: After the fallout from the HackingTeam breach, Netragard, a company that buys and sells exploits, has decided to shut down its exploit acquisition program. Leaked documents show that Natragard was selling exploits to the Italian maker of intrusion and surveillance software. In addition, documents further showed that the company sold its products to a variety of oppressive regimes, including Egypt and Ethiopia. A company statement reads in part: "We’ve decided to terminate our Exploit Acquisition Program (again). Our motivation for termination revolves around ethics, politics, and our primary business focus. The HackingTeam breach proved that we could not sufficiently vet the ethics and intentions of new buyers. HackingTeam unbeknownst to us until after their breach was clearly selling their technology to questionable parties, including but not limited to parties known for human rights violations. While it is not a vendors responsibility to control what a buyer does with the acquired product, HackingTeam’s exposed customer list is unacceptable to us. The ethics of that are appalling and we want nothing to do with it." -
ProxyGambit Replaces Defunct ProxyHam
msm1267 writes: Hardware hacker Samy Kamkar has picked up where anonymity device ProxyHam left off. After a DEF CON talk on ProxyHam was mysteriously called off, Kamkar went to work on developing ProxyGambit, a similar device that allows a user to access the Internet without revealing their physical location.
A description on Kamkar's site says ProxyGambit fractures traffic from the Internet through long distance radio links or reverse-tunneled GSM bridges that connect and exit the Internet through wireless networks far from the user's physical location. ProxyHam did not put as much distance between the user and device as ProxyGambit, and routed its signal over Wi-Fi and radio connections. Kamkar said his approach makes it several times more difficult to determine where the original traffic is coming from. -
New RC4 Encryption Attacks Reduces Plaintext Recovery Time
msm1267 writes: Two Belgian security researchers from the University of Leuven have driven new nails into the coffin of the RC4 encryption algorithm. A published paper, expected to be delivered at the upcoming USENIX Security Symposium next month in Washington, D.C., describes new attacks against RC4 that allow an attacker to capture a victim's cookie and decrypt it in a much shorter amount of time than was previously possible. The paper "All Your Biases Belong To Us: Breaking RC4 in WPA-TKIP and TLS," written by Mathy Vanhoef and Frank Piessens, explains the discovery of new biases in the algorithm that led to attacks breaking encryption on websites running TLS with RC4, as well as the WPA-TKIP, the Wi-Fi Protected Access Temporal Key Integrity Protocol. -
New Default: Mozilla Temporarily Disables Flash In Firefox
Trailrunner7 writes with news that "Mozilla has taken the unusual step of disabling by default all versions of Flash in Firefox." Two flaws that came to light from the recent document dump from Hacking Team could be used by an attacker to gain remote code execution. From Threatpost's article: One of the flaws is in Action Script 3 while the other is in the BitMapData component of Flash. Exploits for these vulnerabilities were found in the data taken from HackingTeam in the attack disclosed last week. An exploit for one of the Flash vulnerabilities, the one in ActionScript 3, has been integrated into the Angler exploit kit already and there's a module for it in the Metasploit Framework, as well. Reader Mickeycaskill adds a link to TechWeek Europe's article, which says these are the 37th and 38th flaws found in Flash so far this month, and that the development "is a blow for Flash after Alex Stamos, Facebook's new chief security officer, urged Adobe to set an 'end of life' date for the much-maligned software." -
OpenSSL Patches Critical Certificate Forgery Bug
msm1267 writes: The mystery OpenSSL patch released today addresses a critical certificate validation issue where anyone with an untrusted TLS certificate can become a Certificate Authority. While serious, the good news according to the OpenSSL Project is that few downstream organizations have deployed the June update where the bug was introduced. From the linked piece: The vulnerability allows an attacker with an untrusted TLS certificate to be treated as a certificate authority and spoof another website. Attackers can use this scenario to redirect traffic, set up man-in-the-middle attacks, phishing schemes and anything else that compromises supposedly encrypted traffic. [Rich Salz, one of the developers] said there are no reports of public exploits. -
Angler Exploit Kit Evasion Techniques Keep Cryptowall Thriving
msm1267 writes: Since the Angler Exploit Kit began pushing the latest version of Cryptowall ransomware, the kit has gone to great lengths to evade detection from IDS and other security technologies. The latest tactic is an almost-daily change to URL patterns used by the kit in HTTP GET requests for the Angler landing page, requests for a Flash exploit, and requests for the Cryptowall 3.0 payload. Traffic patterns as of yesterday are almost unrecognizable compared to those of as recent as three weeks ago. -
Cisco Security Appliances Found To Have Default SSH Keys
Trailrunner7 writes: Many Cisco security appliances contain default, authorized SSH keys that can allow an attacker to connect to an appliance and take almost any action he chooses. The company said all of its Web Security Virtual Appliances, Email Security Virtual Appliances, and Content Security Management Virtual Appliances are affected by the vulnerability.
This bug is about as serious as they come for enterprises. An attacker who is able to discover the default SSH key would have virtually free reign on vulnerable boxes, which, given Cisco's market share and presence in the enterprise worldwide, is likely a high number. The default key apparently was inserted into the software for support reasons.
"The vulnerability is due to the presence of a default authorized SSH key that is shared across all the installations of WSAv, ESAv, and SMAv. An attacker could exploit this vulnerability by obtaining the SSH private key and using it to connect to any WSAv, ESAv, or SMAv. An exploit could allow the attacker to access the system with the privileges of the root user," Cisco said. -
HP Researchers Disclose Details of Internet Explorer Zero Day
Trailrunner7 writes: Researchers at HP's Zero Day Initiative have disclosed full details and proof-of-concept exploit code for a series of bugs they discovered that allow attackers to bypass a key exploit mitigation in Internet Explorer. The disclosure is a rarity for ZDI. The company typically does not publish complete details and exploit code for the bugs it reports to vendors until after the vulnerabilities are fixed. But in this case, Microsoft has told the researchers that the company doesn't plan to fix the vulnerabilities, even though the bugs were serous enough to win ZDI's team a $125,000 Blue Hat Bonus from Microsoft. The reason: Microsoft doesn't think the vulnerabilities affect enough users.
The vulnerabilities that the ZDI researchers submitted to Microsoft enable an attacker to fully bypass ASLR (address space layout randomization), one of the many mitigations in IE that help prevent successful exploitation of certain classes of bugs. ZDI reported the bugs to Microsoft last year and disclosed some limited details of them in February. The researchers waited to release the full details until Microsoft fixed all of the flaws, but Microsoft later informed them that they didn't plan to patch the remaining bugs because they didn't affect 64-bit systems. -
Emergency Adobe Flash Patch Fixes Zero-Day Under Attack
msm1267 writes: Adobe has released an emergency patch for a Flash zero-day used in targeted attacks by APT3, the same group behind 2014's Clandestine Fox attacks. Adobe said Flash Player 18.0.0.161 and earlier for Windows and Macintosh systems are affected, as is 11.2.202.466 for Linux 11.x versions.
The current iteration of Clandestine Fox attacks shares many traits with last year's attacks, including generic, almost spam-like phishing emails intent on snaring as many victims as possible that can be analyzed for their value before additional attacks are carried out. The two campaigns also share the same custom backdoor called SHOTPUT, as well as an insistence on using a throwaway command and control infrastructure. -
US Navy Solicits Zero Days
msm1267 writes: The US Navy posted a RFP, which has since removed from FedBizOpps.gov, soliciting contractors to share vulnerability intelligence and develop zero day exploits for most of the leading commercial IT software vendors. The Navy said it was looking for vulnerabilities, exploit reports and operational exploit binaries for commercial software, including but not limited to Microsoft, Adobe, [Oracle] Java, EMC, Novell, IBM, Android, Apple, Cisco IOS, Linksys WRT and Linux, among others. The RFP seemed to indicate that the Navy was not only looking for offensive capabilities, but also wanted use the exploits to test internal defenses.The request, however, does require the contractor to develop exploits for future released CVEs. "Binaries must support configurable, custom, and/or government owned/provided payloads and suppress known network signatures from proof of concept code that may be found in the wild," the RFP said. -
Wassenaar Treaty Will Hamper Bug Bounties
msm1267 writes: If the proposed U.S. Wassenaar rules are enacted, researchers who make a living contributing to and participating in the numerous industry bug bounties may feel the pinch in their wallets. Worse may be the impact on the security of software worldwide since many independent researchers find a good number of the bugs that get patched.
Researchers are starting to speak out, not only about the rules' broad definition of intrusion software, but also about the potential need to share vulnerability details with a government if forced to apply for the required export license. Many may soon question whether it's worth the time and effort to go through the export process if governments are acting as a clearinghouse. -
Opening Fixed-Code Garage Doors With a Toy In 10 Seconds
Trailrunner7 writes: It may be time to upgrade your garage door opener. Security researcher Samy Kamkar has developed a new technique that enables him to open almost any garage door that uses a fixed code–and he implemented it on a $12 child's toy. The attack Kamkar devised, known as OpenSesame, reduces the amount of time it takes to guess the fixed code for a garage door from several minutes down to less than 10 seconds. Most openers in commercially available garage door openers have a set of 12 dip switches, which are binary, and provide a total of 4,096 possible code combinations. This is a highly limited keyspace and is open to brute-force attacks. But even on such a small keyspace, those attacks take some time.
With a simple brute-force attack, that would take 29 minutes, Kamkar said. To begin reducing that time, he eliminated the retransmission of each code, bringing the time down to about six minutes. He then removed the wait period after each code is sent, which reduced the time even further, to about three minutes. Looking to further reduce the time, Kamkar discovered that many garage door openers use a technique known as a bit shift register. This means that when the opener receives a 12-bit code, it will test that code, and if it's incorrect, the opener will then shift out one bit and pull in one bit of the next code transmitted.
Kamkar implemented an algorithm known as the De Bruijn sequence to automate this process and then loaded his code onto a now-discontinued toy called the Mattel IM-ME. The toy was designed as a short-range texting device for kids, but Kamkar reprogrammed it using the GoodFET adapter built by Travis Goodspeed. Once that was done, Kamkar tested the device against a variety of garage door openers and discovered that the technique worked on systems manufactured by several companies, including Nortek and NSCD. It also works on older systems made by Chamberlain, Liftmaster, Stanley, Delta-3, and Moore-O-Matic. -
Exploit Kit Delivers Pharming Attacks Against SOHO Routers
msm1267 writes: For the first time, DNS redirection attacks against small office and home office routers are being delivered via exploit kits. French security researcher Kafeine said an exploit kit has been finding success in driving traffic from compromised routers to the attackers' infrastructure. The risk to users is substantial, he said, ranging from financial loss, to click-fraud, man-in-the-middle attacks and phishing. -
Security Researchers Wary of Wassenaar Rules
msm1267 writes: The Commerce Department's Bureau of Industry and Security today made public its proposal to implement the controversial Wassenaar Arrangement, and computer security specialists are wary of its language and vagaries. For starters, its definition of "intrusion software" that originally was meant to stem the effect of spying software such as FinFisher and Hacking Team, has also apparently snared many penetration testing tools. Also, despite the Commerce Department's insistence that vulnerability research does not fall under Wassenaar, researchers say that's up for interpretation. -
Poor, Homegrown Encryption Threatens Open Smart Grid Protocol
An anonymous reader writes: Millions of smart meters, solar panels, and other grid-based devices rely on the Open smart grid protocol for communication and control — it's similar to SCADA's role for industrial systems. But new research shows that its creators made the common mistake of rolling their own encryption, and doing a poor job of it. The researchers believe this threatens the entire system. They say, "This function has been found to be extremely weak, and cannot be assumed to provide any authenticity guarantee whatsoever." Security analyst Adam Crain added, "Protocol designers should stick to known good algorithms or even the 'NIST-approved' short list. In this instance, the researchers analyzed the OMA digest function and found weaknesses in it. The weaknesses in it can be used to determine the private key in a very small number of trials." -
Researcher Bypasses Google Password Alert For Second Time
Trailrunner7 writes with this excerpt: A security researcher has developed a method–actually two methods–for defeating the new Chrome Password Alert extension that Google released earlier this week.
The Password Alert extension is designed to warn users when they're about to enter their Google passwords into a fraudulent site. The extension is meant as a defense against phishing attacks, which remain a serious threat to consumers despite more than a decade of research and warnings about the way the attacks work.
Just a day after Google released the extension, Paul Moore, a security consultant in the U.K., developed a method for bypassing the extension. The technique involved using Javascript to look on a given page for the warning screen that Password Alert shows users. The method Moore developed then simply blocks the screen, according to a report on Ars Technica. In an email, Moore said it took him about two minutes to develop that bypass, which Google fixed in short order.
However, Moore then began looking more closely at the code for the extension, and Chrome itself, and discovered another way to get around the extension. He said this one likely will be more difficult to repair.
"The second exploit will prove quite difficult (if not near impossible) to resolve, as it leverages a race condition in Chrome which I doubt any single extension can remedy. The extension works by detecting each key press and comparing it against a stored, hashed version. When you've entered the correct password, Password Alert throws a warning advising the user to change their password," Moore said. -
Once a Forgotten Child, OpenSSL's Future Now Looks Bright
Trailrunner7 writes: Rarely does anything have a defined turning point in its history, a single day where people can point and say that was the day everything changed. For OpenSSL, that day was April 7, 2014, the day that Heartbleed became part of the security lexicon. Heartbleed was a critical vulnerability in the venerable crypto library. OpenSSL is everywhere, in tens of thousands of commercial and homespun software projects. And so too, as of last April, was Heartbleed, an Internet-wide bug that leaked enough memory that a determined hacker could piece together anything from credentials to encryption keys.
"Two years ago, it was a night-and-day difference. Two years ago, aside from our loyal user community, we were invisible. No one knew we existed," says Steve Marquess, cofounder, president and business manager of the OpenSSL Foundation, the corporate entity that handles commercial contracting for OpenSSL. "OpenSSL is used everywhere: hundreds, thousands of vendors use it; every smartphone uses it. Everyone took that for granted; most companies have no clue they even used it." To say OpenSSL has been flipped on its head—in a good way—is an understatement.
Heartbleed made the tech world realize that the status quo wasn't healthy to the security and privacy of ecommerce transactions and communication worldwide. Shortly after Heartbleed, the Core Infrastructure Initiative was created, uniting The Linux Foundation, Microsoft, Facebook, Amazon, Dell, Google and other large technology companies in funding various open source projects. OpenSSL was the first beneficiary, getting enough money to hire Dr. Steve Henson and Andy Polyakov as its first full-timers. Henson, who did not return a request to be interviewed for this article, is universally known as the one steady hand that kept OpenSSL together, an unsung hero of the project who along with other volunteers handled bug reports, code reviews and changes. -
New Zero Day Disclosed In WordPress Core Engine
Trailrunner7 writes: WordPress security issues have for the most part involved a vulnerable plug-in, but a Finnish researcher has disclosed some details on a zero-day vulnerability he discovered in the WordPress 4.2 and earlier core engine that could lead to remote code execution on the webserver. Juoko Pynnonen of Klikki Oy reported a new and unpatched stored cross-site scripting vulnerability in the platform; a similar bug was patched this week by WordPress developers, but only 14 months after it was reported. The vulnerability allows an attacker to inject JavaScript in the WordPress comment field; the comment has to be at least 66,000 characters long and it will be triggered when the comment is viewed, Pynnonen said.
"An unauthenticated attacker can store JavaScript on WordPress pages and blog posts. If triggered by an administrator, this leads to server-side code execution under default settings," Pynnonen said. "A usable comment form is required. It looks like the script is not executed in the admin Dashboard, but only when viewing the post/page where the comment was entered. If comment moderation is enabled (the default setting) then the comment won't appear on the page until it has been approved by an admin/moderator. Under default settings, after one 'harmless' comment is approved, the attacker is free from subsequent moderation and can inject the exploit to several pages and blog posts." -
Researcher Discloses Methods For Bypassing All OS X Security Protections
Trailrunner7 writes: For years, Apple has enjoyed a pretty good reputation among users for the security of its products. That halo has been enhanced by the addition of new security features such as Gatekeeper and XProtect to OS X recently, but one researcher said that all of those protections are simple to bypass and gaining persistence on a Mac as an attacker isn't much of a challenge at all. Gatekeeper is one of the key technologies that Apple uses to prevent malware from running on OS X machines. It gives users the ability to restrict which applications can run on their machines by choosing to only allow apps from the Mac App Store. With that setting in play, only signed, legitimate apps should be able to run on the machine. But Patrick Wardle, director of research at Synack, said that getting around that restriction is trivial. "Gatekeeper doesn't verify an extra content in the apps. So if I can find an Apple-approved app and get it to load external content, when the user runs it, it will bypass Gatekeeper," Wardle said in a talk at the RSA Conference here Thursday. "It only verifies the app bundle. If Macs were totally secure, I wouldn't be here talking," Wardle said. "It's trivial for any attacker to bypass the security tools on Macs." -
Apple Leaves Chinese CNNIC Root In OS X and iOS Trusted Stores
Trailrunner7 writes When it was revealed late last month that a Chinese certificate authority had allowed an intermediate CA to issue unauthorized certificates for some Google domains, both Google and Mozilla reacted quickly and dropped trust in CNNIC altogether. Apple on Wednesday released major security upgrades for both of its operating systems, and the root certificate for CNNIC, the Chinese CA at the heart of the controversy, remains in the trusted stores for iOS and OS X. The company has not made any public statements on the incident or the continued inclusion of CNNIC's certificates in the trusted stores. -
TrueCrypt Alternatives Step Up Post-Cryptanalysis
msm1267 writes: What's next for TrueCrypt now that a two-phase audit of the code and its cryptography uncovered a few critical vulnerabilities, but no backdoors? Two alternative open source encryption projects forked TrueCrypt once its developers decided to abandon the project in early 2014, giving rise to VeraCrypt and CipherShed — and both are ready to accelerate growth, compatibility and functionality now that the TrueCrypt code has been given a relatively clean bill of health. -
How Malvertising Abuses Real-Time Bidding On Ad Networks
msm1267 writes Dark corners of the Internet harbor trouble. They're supposed to. But what about when Yahoo, CNN.com, TMZ and other busy destination sites heave disaster upon visitors? That's the challenge posed by malvertising, the latest hacker Golden Goose used in cybercrime operations and even in some targeted attacks. Hackers are thriving in this arena because they have found an unwittingly complicit partner in the sundry ad networks to move malicious ads through legitimate processes. Adding gasoline to the raging fire is the abuse of real-time ad bidding, a revolution in the way online ads are sold. RTB enables better ad targeting for advertisers and less unsold inventory for publishers. Hackers can also hitch a ride with RTB and target malicious ads on any site they wish, much the way a legitimate advertiser would use the same system. -
MIT Debuts Integer Overflow Debugger
msm1267 writes Students from M.I.T. have devised a new and more efficient way to scour raw code for integer overflows, the troublesome programming bugs that serve as a popular exploit vector for attackers and often lead to the crashing of systems. Researchers from the school's Computer Science and Artificial Intelligence Laboratory (CSAIL) last week debuted the platform dubbed DIODE, short for Directed Integer Overflow Detection. As part of an experiment, the researchers tested DIODE on code from five different open source applications. While the system was able to generate inputs that triggered three integer overflows that were previously known, the system also found 11 new errors. Four of the 11 overflows the team found are apparently still lingering in the wild, but the developers of those apps have been informed and CSAIL is awaiting confirmation of fixes. -
Chinese CA Issues Certificates To Impersonate Google
Trailrunner7 writes: Google security engineers, investigating fraudulent certificates issued for several of the company's domains, discovered that a Chinese certificate authority was using an intermediate CA, MCS Holdings, that issued the unauthorized Google certificates, and could have issued certificates for virtually any domain. Google's engineers were able to block the fraudulent certificates in the company's Chrome browser by pushing an update to the CRLset, which tracks revoked certificates. The company also alerted other browser vendors to the problem, which was discovered on March 20. Google contacted officials at CNNIC, the Chinese registrar who authorized the intermediate CA, and the officials said that they were working with MCS to issue certificates for domains that it registered. But, instead of simply doing that, and storing the private key for the registrar in a hardware security module, MCS put the key in a proxy device designed to intercept secure traffic. -
Persistent BIOS Rootkit Implant To Debut At CanSecWest
msm1267 writes Research on new BIOS vulnerabilities and a working rootkit implant will be presented on Friday at the annual CanSecWest security conference. An attacker with existing remote access on a compromised computer can use the implant to turn down existing protections in place to prevent re-flashing of the firmware, enabling the implant to be inserted and executed. The devious part of the exploit is that the researchers have found a way to insert their agent into System Management Mode, which is used by firmware and runs separately from the operating system, managing various hardware controls. System Management Mode also has access to memory, which puts supposedly secure and privacy focused operating systems such as Tails in the line of fire of the implant.
Their implant, the researchers said, is able to scrape the secret PGP key Tails uses for encrypted communication, for example. It can also steal passwords and encrypted communication. The implant survives OS re-installation and even Tails' built-in protections, including its capability of wiping RAM. -
Obama Administration Wants More Legal Power To Disrupt Botnets
Trailrunner7 writes: The Obama administration has proposed an amendment to existing United Stated federal law that would give it a more powerful tool to go after botnets such as GameOver Zeus, Asprox and others. In recent years, Justice, along with private security firms and law enforcement agencies in Europe, have taken down various incarnations of a number of major botnets, including GameOver Zeus and Coreflood. These actions have had varying levels of success, with the GOZ takedown being perhaps the most effective, as it also had the effect of disrupting the infrastructure used by the CryptoLocker ransomware.
In order to obtain an injunction in these cases, the government would need to sue the defendants in civil court and show that its suit is likely to succeed on its merits. "The Administration's proposed amendment would add activities like the operation of a botnet to the list of offenses eligible for injunctive relief. Specifically, the amendment would permit the department to seek an injunction to prevent ongoing hacking violations in cases where 100 or more victim computers have been hacked. This numerical threshold focuses the injunctive authority on enjoining the creation, maintenance, operation, or use of a botnet, as well as other widespread attacks on computers using malicious software (such as "ransomware" )," assistant attorney general Leslie Caldwell wrote. -
Incomplete Microsoft Patch Left Machines Exposed To Stuxnet LNK Vulnerability
msm1267 writes: A five-year-old Microsoft patch for the .LNK vulnerability exploited by Stuxnet failed to properly protect Windows machines, leaving them exposed to exploits since 2010. Microsoft today is expected to release a security bulletin, MS15-020, patching the vulnerability (CVE-2015-0096). It is unknown whether there have been public exploits of patched machines. The original LNK patch was released Aug. 2, 2010. "That patch didn't completely address the .LNK issue in the Windows shell, and there were weaknesses left behind that have been resolved in this patch," said Brian Gorenc, manager of vulnerability research with HP's Zero Day Initiative. Gorenc said the vulnerability works on Windows machines going back to Windows XP through Windows 8.1, and the proof of concept exploit developed by Heerklotz and tweaked by ZDI evades the validation checks put in place by the original Microsoft security bulletin, CVE-2010-2568. -
A Critical Look At CSI: Cyber
Trailrunner7 writes with the introduction to a Threatpost article (best read without coffee near your keyboard) about the new CSI: Cyber: The show centers on the Cyber Crime Division at the FBI, a perfectly focus-grouped cast headed by Special Agent Avery Ryan. She is a former behavioral psychiatrist whose practice fell apart when–spoiler alert!–all of her case files were stolen by a hacker who then murdered one of her patients. Now she is on a mission to "turn" hackers one at a time to the path of righteousness. She is aided in this noble quest by the guy who played Dawson, former child rapper Lil Bow Wow, and the two h4x0r caricatures: a bearded, wisecracking guy named Daniel Krumitz who is the "greatest white hat hacker in the world", and Raven Ramirez, whom we know is a hacker because she has dyed hair. Also, because her name is Raven.
As a public service, the Threatpost team, Mike Mimoso, Dennis Fisher, Brian Donohue and Chris Brook, watched the first episode of CSI: Cyber and kept a running chat log of the "action." -
FREAK Attack Threatens SSL Clients
msm1267 writes: For the nth time in the last couple of years, security experts are warning about a new Internet-scale vulnerability, this time in some popular SSL clients. The flaw allows an attacker to force clients to downgrade to weakened ciphers and break their supposedly encrypted communications through a man-in-the-middle attack. Researchers recently discovered that some SSL clients, including OpenSSL, will accept weak RSA keys–known as export-grade keys–without asking for those keys. Export-grade refers to 512-bit RSA keys, the key strength that was approved by the United States government for export overseas. This was an artifact from decades ago and it was thought that most servers and clients had long ago abandoned such weak ciphers. The vulnerability affects a variety of clients, most notably Apple's Safari browser. -
Pharming Attack Targets Home Router DNS Settings
msm1267 (2804139) writes Pharming attacks are generally network-based intrusions where the ultimate goal is to redirect a victim's web traffic to a hacker-controlled webserver, usually through a malicious modification of DNS settings. Some of these attacks, however, are starting to move to the web and have their beginnings with a spam or phishing email. Proofpoint reported on the latest iteration of this attack, based in Brazil. The campaign was carried out during a five-week period starting in December when Proofpoint spotted phishing messages, fewer than 100, sent to customers of one of the country's largest telecommunications companies. -
Site Launches To Track Warrant Canaries
Trailrunner7 writes: In the years since Edward Snowden began putting much of the NSA's business in the street, including its reliance on the secret FISA court and National security Letters, warrant canaries have emerged as a key method for ISPs, telecoms, and other technology providers to let the public know whether they have received any secret orders. But keeping track of the various canaries scattered around the Web is difficult, so a group of legal and civil liberties organizations have come together to launch a new site to monitor the known warrant canaries.
The Canary Watch site is the work of the EFF, the Berkman Center for Internet and Society, and NYU's Technology Law and Policy Center and it works on a simple concept. The site maintains a list of all of the known warrant canaries and periodically checks each organization's site to see whether the canary is still there and then lists any changes to the status. Right now, Canary Watch lists 11 organizations, including Lookout, Pinterest, Reddit, and Tumblr.
"Canarywatch lists the warrant canaries we know about, tracks changes or disappearances of those canaries, and allows users to submit canaries not listed on the site. For people with interest in a particular canary, the site will show any changes we know about," Nadia Kayyali of the EFF said in a blog post. -
Researchers Tie Regin Malware To NSA, Five Eyes Intel Agencies
Trailrunner7 writes Researchers at Kaspersky Lab have discovered shared code and functionality between the Regin malware platform and a similar platform described in a newly disclosed set of Edward Snowden documents 10 days ago by Germany's Der Spiegel. The link, found in a keylogger called QWERTY allegedly used by the so-called Five Eyes, leads them to conclude that the developers of each platform are either the same, or work closely together. "Considering the extreme complexity of the Regin platform and little chance that it can be duplicated by somebody without having access to its source codes, we conclude the QWERTY malware developers and the Regin developers are the same or working together," wrote Kaspersky Lab researchers Costin Raiu and Igor Soumenkov today in a published report. (Here is the Spiegel article.) -
Adobe Patches One Flash Zero Day, Another Still Unfixed
Trailrunner7 writes Adobe has released an emergency update for Flash to address a zero-day vulnerability that is being actively exploited. The company also is looking into reports of exploits for a separate Flash bug not fixed in the new release, which is being used in attacks by the Angler exploit kit. The vulnerability that Adobe patched Thursday is under active attack, but Adobe officials said that this flaw is not the one that security researcher Kafeine said Wednesday was being used in the Angler attacks. The patch for Flash comes just a day after Kafeine disclosed that some instances of the Angler exploit kit contained an exploit for a previously unknown vulnerability in the software. Adobe officials said Wednesday that they were investigating the reports. Kafeine initially saw Angler attacking the latest version of Flash in IE on Windows XP, Vista, 7 and 8, but said the exploit wasn't being used against Chrome or Firefox. On Thursday he said on Twitter that the group behind Angler had changed the code to exploit Firefox as well as fully patched IE 11 on Windows 8.1. -
NSA Official: Supporting Backdoored Random Number Generator Was "Regrettable"
Trailrunner7 writes In a new article in an academic math journal, the NSA's director of research says that the agency's decision not to withdraw its support of the Dual EC_DRBG random number generator after security researchers found weaknesses in it and questioned its provenance was a "regrettable" choice. Michael Wertheimer, the director of researcher at the National Security Agency, wrote in a short piece in Notices, a publication of the American Mathematical Society, that even during the standards development process for Dual EC many years ago, members of the working group focused on the algorithm raised concerns that it could have a backdoor in it. The algorithm was developed in part by the NSA and cryptographers were suspect of it from the beginning. "With hindsight, NSA should have ceased supporting the dual EC_DRBG algorithm immediately after security researchers discovered the potential for a trapdoor. In truth, I can think of no better way to describe our failure to drop support for the Dual_EC_DRBG algorithm as anything other than regrettable," Wertheimer wrote in a piece in Notices' February issue. -
Wireless Keylogger Masquerades as USB Phone Charger
msm1267 writes: Hardware hacker and security researcher Samy Kamkar has released a slick new device that masquerades as a typical USB wall charger but in fact houses a keylogger capable of recording keystrokes from nearby wireless keyboards. The device is known as KeySweeper, and Kamkar has released the source code and instructions for building one of your own. The components are inexpensive and easily available, and include an Arduino microcontroller, the charger itself, and a handful of other bits. When it's plugged into a wall socket, the KeySweeper will connect to a nearby Microsoft wireless keyboard and passively sniff, decrypt and record all of the keystrokes and send them back to the operator over the Web. -
Inside North Korea's Naenara Browser
msm1267 (2804139) writes with this excerpt from Threatpost Up until a few weeks ago, the number of people outside of North Korea who gave much thought to the Internet infrastructure in that country was vanishingly small. But the speculation about the Sony hack has fixed that, and now a security researcher has taken a hard look at the national browser used in North Korea and found more than a little weirdness. The Naenara browser is part of the Red Star operating system used in North Korea and it's a derivative of an outdated version of Mozilla Firefox. The country is known to tightly control the communications and activities of its citizens and that extends online, as well. Robert Hansen, vice president of WhiteHat Labs at WhiteHat Security, and an accomplished security researcher, recently got a copy of Naenara and began looking at its behavior, and he immediately realized that every time the browser loads, its first move is to make a request to a non-routable IP address, http://10.76.1.11./ That address is not reachable from networks outside the DPRK.
"Here's where things start to go off the rails: what this means is that all of the DPRK's national network is non-routable IP space. You heard me; they're treating their entire country like some small to medium business might treat their corporate office," Hansen wrote in a blog post detailing his findings. "The entire country of North Korea is sitting on one class A network (16,777,216 addresses). I was always under the impression they were just pretending that they owned large blocks of public IP space from a networking perspective, blocking everything and selectively turning on outbound traffic via access control lists." -
First OSX Bootkit Revealed
Trailrunner7 writes A vulnerability at the heart of Apple's Mac OS X systems—one thus far only partially addressed by Apple—opens the door to the installation of malicious firmware bootkits that resist cleanup and give hackers persistent, stealthy control over a compromised Mac. The research is the work of a reverse engineering hobbyist and security researcher named Trammel Hudson, who gave a talk at the recent 31C3 event in Hamburg, Germany, during which he described an attack he called Thunderstrike. Thunderstrike is a Mac OS X bootkit delivered either through direct access to the Apple hardware (at the manufacturer or in transport), or via a Thunderbolt-connected peripheral device; the latter attack vector exposes vulnerable systems to Evil Maid attacks, or state-sponsored attacks where laptops are confiscated and examined in airports or border crossings, for example.
Hudson's bootkit takes advantage of a vulnerability in how Apple computers deal with peripheral devices connected over Thunderbolt ports during a firmware update. In these cases, the flash is left unlocked, allowing an Option ROM, or peripheral firmware, to run during recovery mode boots. It then has to slip past Apple's RSA signature check. Apple stores its public key in the boot ROM and signs firmware updates with its private key. The Option ROM over Thunderbolt circumvents this process and writes its own RSA key so that future updates can only be signed by the attacker's key. The attack also disables the loading of further Option ROMs, closing that window of opportunity. -
Inside Cryptowall 2.0 Ransomware
msm1267 writes: If you need more evidence that ransomware is here to stay, and could turn into cybercriminals' weapon of choice, look no further than Cryptowall. Researchers at Cisco's Talos group have published an analysis of a Cryptowall 2.0 sample, peeling back many layers of known commodities around this threat, such as its use of the Tor anonymity network to disguise command-and-control communication. But perhaps more telling about the commitment around ransomware is the investment attackers made in its capabilities to detect execution in virtual environments, building in many stages of decryption present before the ransomware activates, and its ability to detect 32- and 64-bit architectures and executing different versions for each. -
Hackers Compromise ICANN, Access Zone File Data System
Trailrunner7 writes with this news from ThreatPost: Unknown hackers were able to compromise vital systems belonging to ICANN, the organization that manages the global top-level domain system, and had access to the system that manages the files with data on resolving specific domain names. The attack apparently took place in November and ICANN officials discovered it earlier this month. The intrusion started with a spear phishing campaign that targeted ICANN staffers and the email credentials of several staff members were compromised. The attackers then were able to gain access to the Centralized Zone Data System, the system that allows people to manage zone files. The zone files contain quite bit of valuable information, including domain names, the name server names associated with those domains and the IP addresses for the name servers. ICANN officials said they are notifying any users whose zone data might have been compromised." (Here's ICANN's public note on the compromise.) -
Manufacturer's Backdoor Found On Popular Chinese Android Smartphone
Trailrunner7 writes that researchers at Palo Alto Networks have found a backdoor in Android devices sold by Coolpad. "A popular Android smartphone sold primarily in China and Taiwan but also available worldwide, contains a backdoor from the manufacturer that is being used to push pop-up advertisements and install apps without users' consent. The Coolpad devices, however, are ripe for much more malicious abuse, researchers at Palo Alto Networks said today, especially after the discovery of a vulnerability in the backend management interface that exposed the backdoor's control system. Ryan Olson, intelligence director at Palo Alto, said the CoolReaper backdoor not only connects to a number of command and control servers, but is also capable of downloading, installing and activating any Android application without the user's permission. It also sends phony over-the-air updates to devices that instead install applications without notifying the user. The backdoor can also be used to dial phone numbers, send SMS and MMS messages, and upload device and usage information to Coolpad." -
"Lax" Crossdomain Policy Puts Yahoo Mail At Risk
msm1267 writes A researcher disclosed a problem with a loose cross-domain policy for Flash requests on Yahoo Mail that put email message content, contact information and much more at risk. The researcher said the weakness is relatively simple to exploit and puts users at high risk for data loss, identity theft, and more. Yahoo has patched one issue related to a specific .swf file hosted on Yahoo's content delivery network that contained a vulnerability that could give an attacker complete control over Yahoo Mail accounts cross origin. While the patch fixed this specific issue, the larger overall configuration issue remains, meaning that other vulnerable .swf files hosted outside the Yahoo CDN and on another Yahoo subdomain could be manipulated the same way. -
New Destover Malware Signed By Stolen Sony Certificate
Trailrunner7 writes: Researchers have discovered a new version of the Destover malware that was used in the recent Sony Pictures Entertainment breaches, and in an ironic twist, the sample is signed by a legitimate certificate stolen from Sony. The new sample is essentially identical to an earlier version of Destover that was not signed. Destover has been used in a variety of attacks in recent years and it's representative of the genre of malware that doesn't just compromise machines and steal data, but can destroy information as well. The attackers who have claimed credit for the attack on Sony have spent the last couple of weeks gradually releasing large amounts of information stolen in the breach, including unreleased movies, personal data of Sony employees and sensitive security information such as digital certificates and passwords. The new, signed version of Destover appears to have been compiled in July and was signed on Dec. 5, the day after Kaspersky Lab published an analysis of the known samples of the malware. -
FISA Court Extends Section 215 Bulk Surveillance For 90 Days
Trailrunner7 notes that the bulk telephone collection program was just extended another 90 days. "The secret Foreign Intelligence Surveillance Court has authorized a 90-day extension to the Section 215 bulk telephone collection program used by the National Security Agency, giving the agency through the end of February to run the program in the absence of legislation establishing a new authority.
On Monday, the Office of the Director of National Intelligence revealed that the administration had applied for a 90-day extension to the existing Section 215 authority, and that the FISC had approved the request, extending the authority through Feb. 27.
'The Administration welcomes the opportunity to work with the new Congress to implement the changes the President has called for. Given that legislation has not yet been enacted, and given the importance of maintaining the capabilities of the telephony metadata program, the government has sought a 90-day reauthorization of the existing program, as modified by the changes the President directed in January,' a statement from the Office of the DNI and the Office of the Attorney General said." -
DOJ Launches New Cybercrime Unit, Claims Privacy Top Priority
msm1267 writes: Leslie Caldwell, assistant attorney general in the criminal division of the Department of Justice, announced on Thursday the creation of a new Cybercrime Unit, tasked with enhancing public-private security efforts. A large part of the Cybersecurity Unit's mission will be to quell the growing distrust many Americans have toward law enforcement's high-tech investigative techniques. (Even if that lack of trust, as Caldwell claimed, is based largely on misinformation about the technical abilities of the law enforcement tools and the manners in which they are used.) "In fact, almost every decision we make during an investigation requires us to weigh the effect on privacy and civil liberties, and we take that responsibility seriously," Caldwell said. "Privacy concerns are not just tacked onto our investigations, they are baked in."