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The Secunia Software Inspector is a free service that detects insecure
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TITLE:
CHMlib Page Block Length Memory Corruption Vulnerability

SECUNIA ADVISORY ID:
SA23975

VERIFY ADVISORY:
http://secunia.com/advisories/23975/

CRITICAL:
Moderately critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
CHM Lib (chmlib) 0.x
http://secunia.com/product/5996/

DESCRIPTION:
iDefense Labs has reported a vulnerability in CHM Lib, which
potentially can be exploited by malicious people to compromise an
application using the vulnerable library.

The vulnerability is caused due to an error when processing CHM files
and can be exploited to corrupt memory via a CHM file containing a
page of objects with a specially crafted page block length value.

Successful exploitation allows execution of arbitrary code when a
malicious file is processed.

The vulnerability is reported in version 0.38. Prior versions may
also be affected.

SOLUTION:
Update to version 0.39.

PROVIDED AND/OR DISCOVERED BY:
Sean Larsson, iDefense Labs.

ORIGINAL ADVISORY:
iDefense Labs:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=468

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