Adobe offers advice on avoiding Reader hack attacks
One day after warning of a new attack on its Reader and Acrobat software, Adobe issued a security advisory offering users some advice on how to mitigate the problem.
Criminals have been sending out malicious PDF files that include this new attack code, but these attacks have not been widespread. However, security experts worry that as information on the bug spreads, these attacks will become a bigger problem.
Several hacker sites claimed to have published samples of the attack, which means that the code could soon be picked up by even more criminals.
"This is legit and is very bad," the anti-malware volunteer group Shadowserver said in a post to its website.
The flaw lies in the current version of Adobe Reader on Windows, Macintosh and Unix systems. Macintosh and Unix computers will crash when they try to open the malicious files, but Adobe and outside security experts say that, so far, the attack code only works on some versions of Windows. Older versions of Reader and Adobe Acrobat are also affected by the issue, Adobe said.
Windows Vista and Windows 7 use a Data Execution Prevention technology that prevents the attack from doing anything more than crashing Reader, Adobe noted.
Adobe is not saying when it will patch the issue, but its next set of Reader and Acrobat patches is due 12 January.
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