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A Bug in Keeper Password Manager Leads To Sparring Over 'Zero-Knowledge' Claim (zdnet.com)
Keeper, a password manager maker that recently and controversially sued a reporter, has fixed a bug that a security researcher claimed could have allowed access to a user's private data. From a report: The bug -- which the company confirmed and has since fixed -- filed anonymously to a public security disclosure list, detailed how anyone controlling Keeper's API server could gain access to the decryption key to a user's vault of passwords and other sensitive information. The researcher found the issue in the company's Python-powered script called Keeper Commander, which allows users to rotate passwords, eliminating the need for hardcoded passwords in software and systems.
According to the write-up, the researcher said it's possible that someone in control of Keeper's API -- such as employees at the company -- could unlock an account, because the API server stores the information used to produce an intermediary decryption key. "What seems to appear in the code of Keeper Commander from November 2015 to today is blind trust of the API server," said the researcher.
According to the write-up, the researcher said it's possible that someone in control of Keeper's API -- such as employees at the company -- could unlock an account, because the API server stores the information used to produce an intermediary decryption key. "What seems to appear in the code of Keeper Commander from November 2015 to today is blind trust of the API server," said the researcher.
well, the spirit is that it is moderately easy to remember one really complex password. That is the one you will use in the password database.
Then all other sites will use randomly generated password stored in that database. So any leak in other services will not give them accesses to anything else than that particular service.
Of course, if your password database gets compromised you are completely pawned. But it is easier to check the security of one place, rather than trusting the security of many places.
What is the alternative? You could remember 200 complex passwords; but I can't and most people can't. So they end up using very simple password which are different on each service, or they use a few complex password that they reuse everywhere. And that is a lot worse.