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7-Zip ARJ Archive Handling Buffer Overflow
Secunia Advisory: SA16664
Release Date: 2005-09-23
Last Update: 2005-09-27
Popularity: 12,280 views

Critical:
Moderately critical
Impact: System access
Where: From remote
Solution Status: Vendor Patch

Software:7-Zip 3.x
7-Zip 4.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
Secunia Research has discovered a vulnerability in 7-Zip, which can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error when handling an ARJ block that is larger than 2600 bytes. This can be exploited to cause a stack-based buffer overflow when a specially crafted ARJ file is opened.

Successful exploitation allows arbitrary code execution.

The vulnerability has been confirmed in version 3.13, 4.23, and 4.26 BETA. Other versions may also be affected.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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