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Trillian "aim://" URI Handler Two Vulnerabilities
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Secunia Advisory:
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SA26086
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Release Date:
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2007-07-17
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Last Update:
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2007-07-23
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Popularity:
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14,827 views
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Critical:
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Highly critical
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Impact:
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System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Trillian Basic 3.x
Trillian Pro 3.x
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Binary Analysis:
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BA188 :: Available for 1 Credit 
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| CVE reference: | CVE-2007-3832
CVE-2007-3833
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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.
http://www.ceruleanstudios.com/downloads/
Provided and/or discovered by:
Nate Mcfeters, Billy (BK) Rios, and Raghav "the Pope" Dube
Changelog:
2007-07-19: Added CVE reference.
2007-07-23: Updated "Solution" section. Added link to vendor.
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
Other References:
US-CERT VU#786920:
http://www.kb.cert.org/vuls/id/786920
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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