Two vulnerabilities have been identified in Clam AntiVirus (ClamAV), which could be exploited by attackers or malware to cause a denial or bypass security restrictions.
The first issue is due to an input validation error when parsing multipart messages with a header containing a specially crafted "id" parameter, which could be exploited by malware to overwrite certain files (e.g. the virus database) via a directory traversal attack and bypass security checks.
The second vulnerability is due to a file descriptor leak when processing CAB files with a record length of zero, which could be exploited by attackers or malware to prevent a vulnerable application from scanning certain archives (e.g. ZIP or TAR) via a specially crafted cabinet file.
Credits
Vulnerabilities reported by iDefense Labs
ChangeLog
2007-02-15 : Initial release
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