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Clam AntiVirus Multiple Vulnerabilities Advisory Available in Danish  Advisory Available in German 

Secunia Advisory: SA24891  
Release Date: 2007-04-13
Last Update: 2007-04-30

Critical:
Highly critical
Impact: Unknown
DoS
System access
Where: From remote
Solution Status: Vendor Patch

Software:Clam AntiVirus (clamav) 0.x

CVE reference:CVE-2007-1745 (Secunia mirror)
CVE-2007-1997 (Secunia mirror)
CVE-2007-2029 (Secunia mirror)

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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

Changelog:
2007-04-17: Updated "Description" and "Criticality". Added information provided by iDefense Labs.
2007-04-30: Added security vulnerability #3.

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

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



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.

Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

27 Related Secunia Security Advisories, displaying 10

1. ClamAV Multiple Vulnerabilities
2. ClamAV Multiple Vulnerabilities
3. ClamAV Multiple Vulnerabilities
4. ClamAV Multiple Vulnerabilities
5. ClamAV RAR Archive Processing Denial of Service Vulnerability
6. ClamAV Multiple Vulnerabilities
7. ClamAV MIME Header Handling and CAB File Processing Vulnerabilities
8. Clam AntiVirus Multipart Nestings Denial of Service
9. Clam AntiVirus CHM Unpacker and PE Rebuilding Vulnerabilities
10. Clam AntiVirus pefromupx() Buffer Overflow Vulnerability

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