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SquirrelMail "Content-Type:" Header Script Injection Vulnerability
Secunia Advisory: SA11734
Release Date: 2004-06-01
Last Update: 2004-06-07
Popularity: 11,404 views

Critical:
Moderately critical
Impact: Cross Site Scripting
Where: From remote
Solution Status: Vendor Patch

Software:SquirrelMail 1.x

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CVE reference:CVE-2004-0520


Description:
Román Medina-Heigl Hernández has reported a vulnerability in SquirrelMail, which can be exploited by malicious people to conduct script injection attacks.

The vulnerability is caused due to missing input validation of the "Content-Type:" header. This can be exploited via specially crafted emails containing HTML or script code in the "Content-Type:" header to execute the code in a user's browser session in context of a vulnerable site, when the malicious email is viewed.

The vulnerability has been reported in versions 1.4.3-rc1, 1.5.0 and 1.5.1 (cvs). Prior versions may also be affected.

NOTE: A number of other unspecified cross-site scripting vulnerabilities have also been discovered.

Solution:
Update to version 1.4.3.
http://www.squirrelmail.org/download.php

The vulnerabilities have also been addressed in the latest 1.5.1 CVS version.

Provided and/or discovered by:
Román Medina-Heigl Hernández

Changelog:
2004-06-07: Added CVE reference.

Original Advisory:
http://www.rs-labs.com/adv/RS-Labs-Advisory-2004-1.txt


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