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V-193: Barracuda SSL VPN Input Validation Hole Permits Cross-Site Scripting Attacks

July 5, 2013 - 6:00am

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PROBLEM:

A vulnerability was reported in Barracuda SSL VPN

PLATFORM:

Version(s) prior to 2.3.3.216

ABSTRACT:

Several scripts do not properly filter HTML code from user-supplied input before displaying the input via several parameters

REFERENCE LINKS:

SecurityTracker Alert ID:  1028736
Barracuda SSL VPN Release Notes
Zero Science Lab

IMPACT ASSESSMENT:

Medium

DISCUSSION:

The code will originate from the Barracuda SSL VPN interface and will run in the security context of that site. As a result, the code will be able to access the target user's cookies (including authentication cookies), if any, associated with the site, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

IMPACT:

A remote user can cause arbitrary scripting code to be executed by the target user's browser.

SOLUTION:

Vendor recommends updating to version 2.3.3.216

 

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