A vulnerability has been identified in Clam AntiVirus (ClamAV), which could be exploited by remote attackers or malware to cause a denial of service or take complete control of an affected system. This issue is caused by a buffer overflow error in the "cli_scanpe()" [libclamav/pe.c] function when processing a specially crafted "Upack" executable, which could be exploited by attackers to execute arbitrary commands by tricking a vulnerable application into scanning a specially crafted file.
Credits
Vulnerability reported by Alin Rad Pop (Secunia Research).
ChangeLog
2008-04-14 : Initial release
2008-04-14 : Updated Solution
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