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F5 Firepass 4100 SSL VPN "backurl" Cross-Site Scripting Vulnerability
Secunia Advisory: SA27647
Release Date: 2007-11-13
Last Update: 2007-11-15
Popularity: 5,040 views

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

OS:FirePass 5.x
FirePass 6.x

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CVE reference:CVE-2007-5979


Description:
Jan Fry and Adrian Pastor have reported a vulnerability in F5 Firepass 4100 SSL VPN, which can be exploited by malicious people to conduct cross-site scripting attacks.

Input passed to the "backurl" parameter in download_plugin.php3 isn't properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.

The vulnerability reportedly affects versions 5.4 to 5.5.2 and 6.0 to 6.0.1.

Solution:
The vendor has issued a solution at:
https://support.f5.com/kb/en-us/solutions/public/7000/400/sol7498.html

Provided and/or discovered by:
Jan Fry and Adrian Pastor, Procheckup Ltd

Changelog:
2007-11-15: Added CVE reference.

Original Advisory:
F5:
https://support.f5.com/kb/en-us/solutions/public/7000/400/sol7498.html

Procheckup Ltd:
http://www.procheckup.com/Vulnerability_PR07-13.php


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