Adobe to patch zero-day Reader, Acrobat flaw January 12

By on December 17, 2009, 8:20 AM
Adobe will reportedly patch a critical vulnerability (CVE-2009-4324) in Reader and Acrobat on January 12, the company's next scheduled quarterly security update, as opposed to an off-cycle release. The zero-day bug is currently being exploited on Reader and Acrobat versions 9.2 and earlier. If used, an attacker could crash the system and ultimately take control of it.

Thankfully, both the rate of infection and risk assessment level are very low, according to Symantec. Although an official fix is still several weeks away, users can utilize a JavaScript Blacklist mitigation feature introduced to Reader and Acrobat versions 9.2 and 8.1.7 in October, which disables access to individual JavaScript APIs.

Webroot analyzed the malware and discovered that it installs three files which resemble Windows system files, and are digitally signed with a forged Microsoft certificate. However, unlike legitimate Microsoft-signed certificates, the malware's lack an email address and timestamp.

User Comments: 3

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Vicenarian said:

That's why I don't use adobe reader....There are so many third party, free, alternatives out there.

LightHeart said:

As OS's have become more secure, hackers have moved to the weakest link which appears to be Adobe. Adobe is on almost every computer, Reader, Flash, etc. so there is a big target on it. Adobe seems to have bloated software and is slow to react to these threats; hopefully they will improve things.

Timonius Timonius said:

Yep, this is a test for they practically have a monopoly in the market for Flash, PDF, etc. If companies get big and lazy they get targeted even more. Too bad the security fix won't be released sooner despite the lack of severity. It just doesn't show to me that they really care.

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