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Adobe Reader succumbs to cross-site scripting flaw

The SANS Internet Storm Center has reported a cross-site scripting flaw in Adobe’s PDF Reader software.

The flaw has also been reported by Symantec and various independent security researchers, and allows an attacker to run arbitrary code on a user’s machine by getting them to open a link to a website via an e-mail.

A hacker would use Javascript attached to a target PDF hosted on a website to conduct the attack, said SANS.

Adobe has so far not commented on the reported flaw.

The threat can be mitigated by turning off Javascript in the browser, but that would block interactive content on many websites.

The SANS report on the problem can be read here:

http://isc.sans.org/diary.php?storyid=1999&isc=3a3147dbdcd305281beef045db5da0cb


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