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WinRAR Format String and Buffer Overflow Vulnerabilities
Secunia Advisory: SA16973
Release Date: 2005-10-11
Last Update: 2006-01-19
Popularity: 11,607 views

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

Software:WinRAR 3.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 two vulnerabilities in WinRAR, which can be exploited by malicious people to compromise a user's system.

1) A format string error exists when displaying a diagnostic error message that informs the user of an invalid filename in an UUE/XXE encoded file. This can be exploited to execute arbitrary code when a malicious UUE/XXE file is decoded.

2) A boundary error in UNACEV2.DLL can be exploited to cause a stack-based buffer overflow. This allows arbitrary code execution when a malicious ACE archive containing a file with an overly long file name is extracted.

Vulnerability #2 is related to:
SA14359

The vulnerabilities have been confirmed in version 3.50. Prior versions may also be affected.

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



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