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ALZip ACE Archive Handling Buffer Overflow
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Secunia Advisory:
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SA16479
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Release Date:
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2005-09-07
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Last Update:
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2006-05-02
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Popularity:
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10,479 views
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Critical:
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Moderately 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: | ALZip 5.x
ALZip 6.x
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| CVE reference: | CVE-2005-2856
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Description:
Secunia Research has discovered a vulnerability in ALZip, which can be exploited by malicious people to compromise a vulnerable system.
The vulnerability is caused due to a boundary error in UNACEV2.DLL when extracting an ACE archive containing a file with an overly long filename. This can be exploited to cause a stack-based buffer overflow when a user extracts a specially crafted ACE archive.
Successful exploitation allows execution of arbitrary code.
The vulnerability affects the following versions:
* ALZip v6.11 and prior (Korean)
* ALZip v5.52 (All language versions)
* ALZip v5.51 (All language versions)
* ALZip v6.03 (English)
* ALZip v6.1 beta
The vulnerability is related to:
SA14359
Solution:
Update to the fixed versions.
International Versions:
Update to version 6.1
http://www.altools.net/Portals/0/ALZip.exe
Korean Version:
Update to version 6.12
http://down.altools.com/ALZip612.exe
Provided and/or discovered by:
Tan Chew Keong, Secunia Research.
Changelog:
2005-09-27: Added CVE reference.
2006-05-02: Updated CVE identifier.
Original Advisory:
Secunia Research:
http://secunia.com/secunia_research/2005-41/advisory/
Other References:
SA14359:
http://secunia.com/advisories/14359/
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About this Secunia Advisory
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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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