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).
Credits
Vulnerability reported by Damian Put
ChangeLog
2006-08-07 : Initial release
2006-08-08 : Updated Solution
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