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Insecure Library Loading
Moderately critical

ClamAV MIME Header Handling and CAB File Processing Vulnerabilities

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Release Date:  2007-02-16    Views:  20,755

Secunia Advisory SA24187

Where:

From remote

Impact:

DoS

Solution Status:

Vendor Patch

CVE Reference(s):

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.


Solution:
Update to version 0.90.

Provided and/or discovered by:
Discovered by anonymous researchers and reported via iDefense Labs.

Original Advisory:
iDefense Labs:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=475
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=476

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: ClamAV MIME Header Handling and CAB File Processing Vulnerabilities

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