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Safari Falls Victim to Remote Code Exploit

Posted by pudge on from the the-most-important-thing-is-to-tell-people-how-to-use-the-exploit dept.

A user writes, "A new vulnerability has been found in Mac OS X's Safari, which will launch Help.app and run an arbitrary script with a URL like 'help:runscript=...', assuming a known path (which is possible when Safari is set to automount disk images (which is the default)). A nice working demonstration is available on insecure.ws while the incident has been reported on Full-Disclosure."

2 of 197 comments (clear)

  1. All OS X browsers affected? by tetsuotheironman · · Score: 5, Interesting

    this exploit also works in Camino as far as I can tell (although I didn't have it set to automount images) using recenet nightly build. I also tried it in IE and it was able to open Help.app without problems..

  2. OS X Mail also by stang7423 · · Score: 5, Interesting

    I wonder if this is possible from OS X mail also. Mail uses webcore to render html and probably shares some settings. The downloading of the dmg is provoked by a meta tag, so unless mail strips meta info from e-mail then this could affect mail as well. That eventuality could potentially be a much larger issue than the current method of execution. Especially since mail will render html and images unless the mail is marked junk.