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>> Clam AntiVirus PE Rebuilding and CHM Unpacker Code Execution and DoS Issues
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Title : Clam AntiVirus PE Rebuilding and CHM Unpacker Code Execution and DoS Issues
VUPEN ID : VUPEN/ADV-2006-4034
CVE ID : CVE-2006-5295
Rated as : Critical 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2006-10-16
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Multiple vulnerabilities have benn identified in Clam AntiVirus (ClamAV), which could be exploited by remote attackers to execute arbitrary commands or cause a denial of service.
The first issue is due to a heap overflow error in the "rebuildpe.c" script when rebuilding PE files, which could be exploited by attackers or malware to compromise a vulnerable system.
The second flaw is due to an error in the CHM unpacker (chmunpack.c) when unpacking malformed files, which could be exploited by attackers to crash an affected application.
Affected Products
Clam AntiVirus versions prior to 0.88.5
Solution
Upgrade to ClamAV version 0.88.5 :
http://www.clamav.net
References
http://www.vupen.com/english/advisories/2006/4034
http://www.clamav.net/doc/0.88.5/ChangeLog
Credits
Vulnerabilities reported by the vendor
ChangeLog
2006-10-16 : Initial release
Vulnerability Management
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