VUPEN Security - ClamAV Multiple File Format Handling Buffer Overflow Vulnerabilities / Exploit (Security Advisories)

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>> ClamAV Multiple File Format Handling Buffer Overflow Vulnerabilities

Title : ClamAV Multiple File Format Handling Buffer Overflow Vulnerabilities
Advisory ID : VUPEN/ADV-2007-4253
CVE ID : CVE-2007-6335 - CVE-2007-6336 - CVE-2007-6337
Rated as : Critical

Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2007-12-19

Advisory Details

Description

Affected Products

Solution

References

Technical Description

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Multiple vulnerabilities have been identified in ClamAV, which could be exploited by remote attackers or malware to cause a denial of service or take complete control of an affected system.

The first issue is caused by an integer overflow error within the "cli_scanpe()" [libclamav/pe.c] function when parsing PE files packed with the MEW packer, which could be exploited by attackers to execute arbitrary commands by tricking a vulnerable application into scanning a specially crafted file [...]

Solution

Upgrade to ClamAV version 0.92 :
http://sourceforge.net/projects/clamav/

Credits

Vulnerabilities reported by iDefense Labs and the vendor.

ChangeLog

2007-12-19 : Initial release
2007-12-20 : Updated Description

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