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Insecure Library Loading
Highly critical

Clam AntiVirus Multiple Vulnerabilities

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Release Date:  2007-04-13    Last Update:  2007-04-30    Views:  20,592

Secunia Advisory SA24891

Where:

From remote

Impact:

Unknown, DoS, System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Some vulnerabilities have been reported in Clam AntiVirus. One has an unknown impact, while others can be exploited by malicious people to cause a DoS (Denial of Service) or to compromise a vulnerable system.

1) An unspecified file descriptor leak error exists within libclamav/chmunpack.c.

2) A signedness error exists within the "cab_unstore()" function in libclamav/cab.c. This can be exploited to cause a stack based buffer overflow via a specially crafted ".cab" file, and may allow execution of arbitrary code or crashing of the clamd process.

3) A file descriptor leak error when handling PDF files with empty objects exists within libclamav/pdf.c. This can potentially be exploited to cause a DoS by e.g. tricking an automated system into processing specially crafted PDF files.


Solution:
Update to version 0.90.2.

Provided and/or discovered by:
1, 3) Reported by the vendor
2) iDefense Labs

Original Advisory:
http://sourceforge.net/project/shownotes.php?release_id=500765

2) iDefense:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=513

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: Clam AntiVirus Multiple Vulnerabilities

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