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CHM Lib "extract_chmLib" Directory Traversal Vulnerability
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Secunia Advisory:
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SA20734
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Release Date:
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2006-06-19
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Last Update:
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2006-06-28
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Critical:
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Less critical
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Impact:
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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: | CHM Lib (chmlib) 0.x
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| | CVE reference: | CVE-2006-3178 (Secunia mirror)
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Description:
A vulnerability has been reported in CHM Lib (chmlib), which potentially can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to an input validation error in the "extract_chmLib" example program when extracting files. This makes it possible to have files extracted to arbitrary writable locations outside the specified directory using the ".." directory traversal sequence.
The vulnerability has been reported in version 0.37. Prior versions may also be affected.
Solution:
Update to version 0.38.
http://morte.jedrea.com/~jedwin/projects/chmlib/
Provided and/or discovered by:
The vendor credits Sven Tantau.
Changelog:
2006-06-28: Added CVE reference.
Original Advisory:
http://morte.jedrea.com/~jedwin/projects/chmlib/
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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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2 Related Secunia Security Advisories
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1. CHMlib Page Block Length Memory Corruption Vulnerability
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2. CHM Lib Multiple Buffer Overflow Vulnerabilities
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