Barracuda SSL VPN up to 2.2.2.168 launchAgent.do cross site scripting
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.0 | $0-$5k | 0.00 |
A vulnerability was found in Barracuda SSL VPN up to 2.2.2.168 (Network Encryption Software). It has been rated as critical. This issue affects an unknown part of the file showUserResourceCategories.do/fileSystem.do/launchAgent.do. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
Multiple cross-site scripting (XSS) vulnerabilities in Barracuda SSL VPN before 2.2.2.203 (2012-07-05) allow remote attackers to inject arbitrary web script or HTML via the (1) policyLaunching, (2) resourcePrefix, or (3) actionPath parameter in showUserResourceCategories.do; (4) list or (5) path parameter to fileSystem.do; or (6) return-To parameter to launchAgent.do.
The weakness was disclosed 07/16/2012 by Benjamin Kunz Mejri with Vulnerability Research Laboratory as Version 2.2.2.203 as confirmed changelog entry (Website). It is possible to read the advisory at updates.cudasvc.com. The public release has been coordinated in cooperation with Barracuda. The identification of this vulnerability is CVE-2012-4739 since 08/31/2012. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.
After 2 months, there has been an exploit disclosed. The exploit is available at secunia.com. It is declared as highly functional.
Upgrading to version 2.2.2.203 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at X-Force (77365).
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 6.0
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Cross site scriptingCWE: CWE-79 / CWE-74 / CWE-707
ATT&CK: T1059.007
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Exploit Delay Time: 🔍
Upgrade: SSL VPN 2.2.2.203
Timeline
07/05/2012 🔍07/16/2012 🔍
07/18/2012 🔍
07/18/2012 🔍
07/19/2012 🔍
07/26/2012 🔍
08/01/2012 🔍
08/31/2012 🔍
08/31/2012 🔍
08/31/2012 🔍
09/03/2017 🔍
Sources
Vendor: barracuda.comAdvisory: Version 2.2.2.203
Researcher: Benjamin Kunz Mejri
Organization: Vulnerability Research Laboratory
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍
CVE: CVE-2012-4739 (🔍)
X-Force: 77365 - Barracuda SSL VPN 680 multiple cross-site scripting, Medium Risk
SecurityTracker: 1027279 - Barracuda SSL VPN Input Validation Flaw Permits Cross-Site Scripting Attacks
SecurityFocus: 54761 - Barracuda SSL VPN Multiple Cross Site Scripting Vulnerabilities
Secunia: 49982 - Barracuda SSL VPN Multiple Cross-Site Scripting Vulnerabilities, Less Critical
OSVDB: 84041
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 07/26/2012 17:05Updated: 09/03/2017 14:53
Changes: 07/26/2012 17:05 (73), 09/03/2017 14:53 (7)
Complete: 🔍
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