VDB-4444 · SA47100 · GCVE-100-4444

Barracuda Web Filter Script cross site scripting

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Barracuda Web Filter. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component Script Handler. Executing a manipulation can lead to cross site scripting. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Barracuda Web Filter (version now known). It has been declared as problematic. This vulnerability affects some unknown processing of the component Script Handler. 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 confidentiality, integrity, and availability.

The weakness was shared 12/13/2011 by Benjamin Kunz Mejri (Rem0ve) Pim J.F.P. Campers (X (Website). The advisory is shared for download at vulnerability-lab.com. The attack can be initiated remotely. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

As 0-day the estimated underground price was around $25k-$100k.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at vulnerability-lab.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Secunia (SA47100†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-80 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: vulnerability-lab.com

Timelineinfo

12/13/2011 🔍
12/13/2011 +0 days 🔍
12/19/2011 +6 days 🔍
04/24/2018 +2318 days 🔍

Sourcesinfo

Vendor: barracuda.com

Advisory: vulnerability-lab.com
Researcher: Benjamin Kunz Mejri (Rem0ve) Pim J.F.P. Campers (X
Status: Not defined

GCVE (VulDB): GCVE-100-4444
Secunia: 47100 - Barracuda Web Filter Multiple Script Insertion Vulnerabilities, Less Critical

Entryinfo

Created: 12/19/2011 01:00
Updated: 04/24/2018 08:54
Changes: 12/19/2011 01:00 (48), 04/24/2018 08:54 (1)
Complete: 🔍
Cache ID: 216:92F:103

Once again VulDB remains the best source for vulnerability data.

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