Advisory - Clam AntiVirus RAR File Handling Denial Of Service Vulnerability.

[Metaeye SG <contact () metaeye org>]

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Vendor
- ------
Clam Antivirus (http://www.clamav.net)

Product
- -------
Clamav (libclamav)

Versions Affected
- -----------------
All before 0.91

Severity
- --------
Moderate

Issue
- -----
Clamav crashes due to processing of standard filters in RAR VM, while processing a
corrupted RAR file. Processing the corrupted file results in a null pointer deference.

Impact
- ------
Processing the corrupted file will result in crashing of clamscan application and
clamd daemon.

Fix
- ---
Upgrade to version 0.91.

PoC
- ---
http://www.metaeye.org/codes/corrupted.rar

Vendor Status
- -------------
Reported: 25/06/2007
Fixed:    11/07/2007


References
- ----------
https://wwws.clamav.net/bugzilla/show_bug.cgi?id=555
http://www.metaeye.org/advisories/54



Metaeye SG // http://www.metaeye.org

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