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ClamAV MIME Header Handling and CAB File Processing Vulnerabilities
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Secunia Advisory:
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SA24187
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Release Date:
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2007-02-16
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Critical:
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Moderately critical
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Impact:
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DoS
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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-2007-0897 (Secunia mirror)
CVE-2007-0898 (Secunia mirror)
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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
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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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