[NT] Remote Script Execution in Tlen.pl
From: SecuriTeam (support_at_securiteam.com)
Date: 12/27/04
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To: list@securiteam.com Date: 27 Dec 2004 10:13:34 +0200
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Remote Script Execution in Tlen.pl
------------------------------------------------------------------------
SUMMARY
<http://www.tlen.vel.pl/> Tlen.pl is the instant messenger application. A
vulnerability in Tlen.pl's message parsing allows remote execution of
arbitrary script.
DETAILS
Vulnerable Systems:
* Tlen.pl Version 5.23.4.1 and prior
Immune Systems:
* Tlen.pl Version 5.23.4.2
A parsing error allow a malicious user to send a string which has an URL
inside. If the can include JavaScript code for example, the script code
will execute when the window with the message pops up.
Example:
Sending the following link to any recipient:
www.tlen.pl"style=background-image:url(javascript:alert(%22You%20are%20owned!%22));.pl
Will cause him to open a JavaScript message box in the client's machine
when he/she open the message window.
Vendor Status:
The vendor has released version 5.23.4.2 that addresses this issue.
ADDITIONAL INFORMATION
The information has been provided by <mailto:sloik@man.poznan.pl>
Jaroslaw Sajko.
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