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>> Clam AntiVirus "pefromupx()" Function UPX File Handling Remote Buffer Overflow Vulnerability
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Title : Clam AntiVirus "pefromupx()" Function UPX File Handling Remote Buffer Overflow Vulnerability
VUPEN ID : VUPEN/ADV-2006-3175
CVE ID : CVE-2006-4018
Rated as : Critical 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2006-08-07
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A vulnerability has been identified in Clam AntiVirus (ClamAV), which could be exploited by attackers or malware to take complete control of an affected system. This flaw is due to a buffer overflow error in the "pefromupx()" [libclamav/upx.c] function when processing malformed UPX compressed files, which could be exploited by attackers to execute arbitrary commands (e.g. by sending an email containing a malicious file to a machine being protected by a vulnerable application).
Affected Products
Clam AntiVirus version 0.88.3 and prior
Solution
Upgrade to version 0.88.4 :
http://www.clamav.net/
References
http://www.vupen.com/english/advisories/2006/3175
http://www.overflow.pl/adv/clamav_upx_heap.txt
Credits
Vulnerability reported by Damian Put
ChangeLog
2006-08-07 : Initial release
2006-08-08 : Updated Solution
Vulnerability Management
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