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Insecure Library Loading
Moderately critical

Visual IRC JOIN Command Response Processing Buffer Overflow

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Release Date:  2007-07-09    Last Update:  2007-07-11    Views:  8,057

Secunia Advisory SA25977

Where:

From remote

Impact:

System access

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

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.


Solution:
Update to version 2.0pl1.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Krystian Kloskowski

Original Advisory:
http://milw0rm.com/exploits/4152

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Visual IRC JOIN Command Response Processing Buffer Overflow

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