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Insecure Library Loading
Highly critical

Trillian "aim://" URI Handler Two Vulnerabilities

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Release Date:  2007-07-17    Last Update:  2007-07-23    Views:  26,206

Secunia Advisory SA26086

Where:

From remote

Impact:

System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Two vulnerabilities have been discovered in Trillian, which can be exploited by malicious people to compromise a user's system.

1) The aim:// URI handler does not verify certain parts of the "aim://" URI before writing it into a file specified via the unverified "ini=" parameter. This can be exploited to e.g. write a batch file into the Windows "Startup" folder that starts an attacker-defined application by tricking a user into following a specially crafted "aim://" URI.

2) A boundary error within the processing of "aim://" URIs exists in the aim.dll plugin. This can be exploited to cause a buffer overflow by e.g. tricking a user into following a specially crafted "aim://" URI.

Successful exploitation allows the execution of arbitrary code.

The vulnerabilities are confirmed in Trillian Basic 3.1.6.0. Other versions may also be affected.


Solution:
Update to version 3.1.7.0.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Nate Mcfeters, Billy (BK) Rios, and Raghav "the Pope" Dube

Original Advisory:
Cerulean Studios:
http://blog.ceruleanstudios.com/?p=170

Nate Mcfeters, Billy (BK) Rios, and Raghav "the Pope" Dube:
http://www.xs-sniper.com/nmcfeters/Cross-App-Scripting-2.html

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: Trillian "aim://" URI Handler Two Vulnerabilities

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