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Visual IRC JOIN Command Response Processing Buffer Overflow
Secunia Advisory: SA25977
Release Date: 2007-07-09
Last Update: 2007-07-11
Popularity: 5,998 views

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

Software:Visual IRC 2.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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

Description:
Krystian Kloskowski has discovered a vulnerability in Visual IRC, which can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error when processing an IRC server's response to a "JOIN" command. This can be exploited to cause a stack-based buffer overflow via an overly long, specially crafted string in response to the affected command.

Successful exploitation allows execution of arbitrary code, but requires that a user is e.g. tricked into connecting to a malicious IRC server.

The vulnerability is confirmed in version 2.0. Other versions may also be affected.

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



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