A vulnerability classified as critical has been found in Grisoft AVG Anti-Virus up to 7.1.407 (Anti-Malware Software). Affected is an unknown functionality of the component EXE File Handler. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Multiple integer overflows in Grisoft AVG Anti-Virus before 7.1.407 allow remote attackers to execute arbitrary code via crafted (1) CAB or (2) RAR archives that trigger a heap-based buffer overflow. NOTE: some of these details are obtained from third party information.

The weakness was disclosed 11/14/2006 by Sergio Alvarez with n.runs (Website). The advisory is available at grisoft.com. This vulnerability is traded as CVE-2006-5937 since 11/15/2006. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

It is declared as proof-of-concept.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at grisoft.com. The best possible mitigation is suggested to be upgrading to the latest version.

The entries 2678, 2680, 2681 and 2679 are pretty similar.

Productinfo

Type

• Anti-Malware Software

Vendor

• Grisoft

Name

• AVG Anti-Virus

Version

• 7.1.407

CPE 2.3info

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CPE 2.2info

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