Summaryinfo

A vulnerability was found in Barracuda Firewall 6.1.0.016. It has been declared as problematic. This vulnerability affects unknown code of the component Web Interface. Executing a manipulation can lead to cross site scripting. The attack can be executed remotely. Additionally, an exploit exists. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability classified as problematic was found in Barracuda Firewall 6.1.0.016 (Firewall Software). This vulnerability affects some unknown processing of the component Web Interface. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. As an impact it is known to affect integrity.

The weakness was released 02/20/2014 by Benjamin Kunz Mejri with Vulnerability Lab as Barracuda Bug Bounty #30 Firewall as confirmed advisory (Packetstorm). The advisory is available at packetstormsecurity.com. The public release was coordinated with the vendor. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

A public exploit has been developed by Benjamin Kunz Mejri in HTML/Javascript and been published immediately after the advisory. It is possible to download the exploit at packetstormsecurity.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 165 days. During that time the estimated underground price was around $0-$5k.

Applying a patch is able to eliminate this problem. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (91500), Exploit-DB (31790) and OSVDB (103552†). Entries connected to this vulnerability are available at VDB-12467, VDB-12463 and VDB-12462. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Firewall Software

Vendor

• Barracuda

Name

• Firewall

Version

• 6.1.0.016

License

• commercial

Website

• Vendor: https://www.barracuda.com/

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