Barracuda Backup up to 5.0.0 Update 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.
5.7	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Barracuda Backup up to 5.0.0. This affects an unknown function. This manipulation of the argument Update causes cross site scripting. The attack can be initiated remotely. Additionally, an exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Barracuda Backup up to 5.0.0 (Backup Software) and classified as problematic. Affected by this vulnerability is an unknown code. The manipulation of the argument Update 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 released 06/15/2013 by Benjamin Kunz Mejri with Vulnerability Research Laboratory as VL-ID 783 as not defined advisory (Website). It is possible to read the advisory at vulnerability-lab.com. The public release was coordinated with Barracuda. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details and also a private exploit are known. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 92 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 5.0.01 eliminates this vulnerability. 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 OSVDB (94950†) and Secunia (SA53873†). Entry connected to this vulnerability is available at VDB-9390. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Backup Software

Vendor

Barracuda

Name

Backup

Version

License

commercial

Website

Vendor: https://www.barracuda.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: 🔍
Access: Private
Status: Proof-of-Concept
Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍

Upgrade: Backup 5.0.01

Timelineinfo

12/04/2012 🔍
12/08/2012 +4 days 🔍
03/06/2013 +88 days 🔍
06/15/2013 +101 days 🔍
07/04/2013 +19 days 🔍
07/10/2013 +6 days 🔍
08/26/2017 +1508 days 🔍

Sourcesinfo

Vendor: barracuda.com

Advisory: VL-ID 783
Researcher: Benjamin Kunz Mejri
Organization: Vulnerability Research Laboratory
Status: Not defined
Coordinated: 🔍

GCVE (VulDB): GCVE-100-9391
Secunia: 53873 - Barracuda Backup Replication Module Cross-Site Scripting Vulnerability, Less Critical
OSVDB: 94950

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 07/10/2013 14:24
Updated: 08/26/2017 06:42
Changes: 07/10/2013 14:24 (52), 08/26/2017 06:42 (6)
Complete: 🔍
Committer:
Cache ID: 216::103