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FortiOS Log File Cross Site Scripting
Secunia Advisory: SA9932
Release Date: 2003-10-03
Last Update: 2003-11-13
Popularity: 5,265 views

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

OS:Fortinet FortiOS (FortiGate) 2.x

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Description:
Multiple vulnerabilities have been identified in FortiOS allowing malicious people to conduct Cross Site Scripting attacks.

The problem is that URLs, which are blocked by FortiGate, are logged unfiltered and displayed unfiltered in the admin interface. This allows malicious people to conduct Cross Site Scripting attacks against the administrative interface.

Various scripts in the administrative interface are also vulnerable to trivial Cross Site Scripting attacks.

The username and the MD5 hash of the password is stored in a cookie. This is not a vulnerability, but is inapproriate way of authenticating users.

The vulnerabilities have been reported to affect versions below OS 2.50 MR4.

Solution:
The Cross Site Scripting vulnerability has been reported to be fixed in version OS 2.50 MR4.

http://support.fortinet.com/

The two unspecified vulnerabilities have not been fixed yet.

To protect against these vulnerabilities you should administrate FortiGate from a system, which isn't connected to the Internet.

Provided and/or discovered by:
Maarten Hartsuijker

Changelog:
2003-11-13: Updated description.


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