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Category:   Application (Security)  >   Clam AntiVirus Vendors:
Clam AntiVirus Integer Overflows May Let Remote Users Deny Service
SecurityTracker Alert ID:  1014567
SecurityTracker URL:
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Jul 25 2005
Impact:   Denial of service via network, Not specified
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 0.86.2
Description:   A vulnerability was reported in Clam AntiVirus. A remote user can cause denial of service conditions.

A remote user can supply a specially crafted header length field to trigger a flaw in 'libclamav/tnef.c' and cause Clam AntiVirus to crash.

A potential integer overflow exists in 'libclamav/fsg.c'. The impact was not specified.

A potential memory allocation overflow exists in 'libclamav/chmunpack.c'. The impact was not specified.

The vendor credits Alex Wheeler with reporting these vulnerabilities.

Impact:   A remote user can cause Clam AntiVirus to crash.

The impact of two of the vulnerabilities not specified.

Solution:   The vendor has issued a fixed version (0.86.2), available at:

Vendor URL: (Links to External Site)
Cause:   Boundary error, Input validation error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   None.

 Source Message Contents


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