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ClamAV MIME Header Handling and CAB File Processing Vulnerabilities
Secunia Advisory: SA24187
Release Date: 2007-02-16
Popularity: 14,160 views

Critical:
Moderately critical
Impact: DoS
Where: From remote
Solution Status: Vendor Patch

Software:Clam AntiVirus (clamav) 0.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
Two vulnerabilities have been reported in ClamAV, which can be exploited by malicious people to cause a DoS (Denial of Service).

1) Input passed via the "id" parameter when parsing MIME headers is not properly sanitised before being used to create local files. This can be exploited to e.g. overwrite the anti-virus signature file via directory traversal attacks, preventing malware from being detected.

2) An file descriptor leak error in the processing of CAB files can be exploited to e.g. prevent legitimate users from sending out valid archives via a specially crafted CAB file with a cabinet header containing a record length of zero.

The vulnerabilities are reported in versions prior to 0.90.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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