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Home » Hacking News » ClamAV vulnerability pached

ClamAV vulnerability pached

by Nikola Strahija on January 16th, 2006 Security researchers have discovered a serious security flaw in ClamAV, which is mainly used with Unix and Linux.

The flaw was disclosed only this week through the Zero Day Initiative (ZDI), but was reported to the ClamAV's developers in mid-December. ZDI waited for the patch to be ready to announce the bug.

The bug allows attackers to execute malicious code on a server running ClamAV versions 0.80 to 0.87.1. It is due to an exploitable memory corruption condition created by an error in the unpacking of executable files compressed with UPX (Ultimate Packer for eXecutables), an open-source compression program. Attackers don't need to be authenticated to exploit the bug.

Secunia, which maintains a database of vulnerabilities, said the flaw was "highly critical".

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