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Cisco Guard "meta-refresh" Cross-Site Scripting Vulnerability
Secunia Advisory: SA21962
Release Date: 2006-09-21
Popularity: 5,710 views

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

OS:Cisco Guard 3.x
Cisco Guard 4.x
Cisco Guard 5.x

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CVE reference:CVE-2006-4909


Description:
A vulnerability has been reported in Cisco Guard, which can be exploited by malicious people to conduct cross-site scripting attacks.

The vulnerability is caused due to insufficient filtering of a meta-refresh before it is being returned to a user. If Cisco Guard is running in active basic protection, going through basic/redirect protection, this can be exploited to execute HTML and script code in a user's browser session by e.g. tricking a user into following a specially crafted URL.

The vulnerability affects the following products:
- Cisco Guard Appliance version 3.X
- Cisco Guard Blade version 4.X
- Cisco Guard Appliance versions 5.0(3) and 5.1(5)

Solution:
Update to version 5.1(6) or later.

Provided and/or discovered by:
Reported by the vendor.

Changelog:
2006-09-21: Added CVE reference.

Original Advisory:
http://www.cisco.com/warp/public/707/cisco-sa-20060920-guardxss.shtml


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