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Secunia Security Advisory 16479

Secunia Security Advisory 16479
Posted Sep 8, 2005
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Secunia Research has discovered a vulnerability in ALZip, which can be exploited by malicious people to compromise a vulnerable system.

tags | advisory
SHA-256 | 6e797630c120124efce69efd09e54036c065745ba1e6c450d3d39fb8d0dec274

Secunia Security Advisory 16479

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TITLE:
ALZip ACE Archive Handling Buffer Overflow

SECUNIA ADVISORY ID:
SA16479

VERIFY ADVISORY:
http://secunia.com/advisories/16479/

CRITICAL:
Moderately critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
ALZip 5.x
http://secunia.com/product/5668/
ALZip 6.x
http://secunia.com/product/5669/

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.

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 Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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