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Clam AntiVirus Multiple Vulnerabilities
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Secunia Advisory:
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SA24891
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Release Date:
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2007-04-13
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Last Update:
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2007-04-30
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Critical:
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Highly critical
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Impact:
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Unknown
DoS
System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Clam AntiVirus (clamav) 0.x
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| | 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
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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.
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8. Clam AntiVirus Multipart Nestings Denial of Service
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