Barracuda Web Application Firewall 7.8.1.013 Token improper authentication

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.
7.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Barracuda Web Application Firewall 7.8.1.013. The impacted element is an unknown function of the component Token Handler. The manipulation results in improper authentication. This vulnerability is reported as CVE-2014-2595. Moreover, an exploit is present. Applying restrictive firewalling is recommended.

Detailsinfo

A vulnerability was found in Barracuda Web Application Firewall 7.8.1.013 (Firewall Software). It has been classified as critical. Affected is some unknown functionality of the component Token Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, and integrity.

The weakness was disclosed 08/01/2014 by Nick Hayes as Authentication Bypass In Barracuda Web Application Firewall as confirmed advisory (Website). The advisory is shared for download at portcullis-security.com. The public release has been coordinated in cooperation with the vendor. This vulnerability is traded as CVE-2014-2595 since 03/24/2014. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Nick Hayes in URL and been published immediately after the advisory. The exploit is shared for download at portcullis-security.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 149 days. During that time the estimated underground price was around $0-$5k. The code used by the exploit is:

http://waf.ptest.cudasvc.com/cgi-mod/index.cgi?auth_type=Local&et=99999999996locale=en_US&password=5a2fd48b65c5d80881eeb0f738bcc6dc&primary_tab=SECURITY%20POLICIES&secondary_tab=request_limits&user=guest
The advisory illustrates:
The [above] link opens up the Request Limit Policies on the Barracuda labs WAF test host as the Guest user. This has been confirmed to work on actual devices and with administrative accounts.

It is possible to mitigate the weakness by firewalling .

The vulnerability is also documented in the databases at X-Force (95083), SecurityFocus (BID 69028†) and SecurityTracker (ID 1030665†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.5
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Nick Hayes
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

03/05/2014 🔍
03/05/2014 +0 days 🔍
03/24/2014 +19 days 🔍
08/01/2014 +130 days 🔍
08/01/2014 +0 days 🔍
08/04/2014 +3 days 🔍
08/04/2014 +0 days 🔍
08/05/2014 +1 days 🔍
08/08/2024 +3656 days 🔍

Sourcesinfo

Vendor: barracuda.com

Advisory: Authentication Bypass In Barracuda Web Application Firewall
Researcher: Nick Hayes
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2014-2595 (🔍)
GCVE (CVE): GCVE-0-2014-2595
GCVE (VulDB): GCVE-100-67272
X-Force: 95083 - Barracuda Web Application Firewall security bypass, Medium Risk
SecurityFocus: 69028 - Barracuda Web Application Firewall CVE-2014-2595 Authentication Bypass Vulnerability
SecurityTracker: 1030665 - Barracuda Web Application Firewall Reusable URL-Based Authentication Tokens Let Remote Users Bypass Authentication

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

Entryinfo

Created: 08/05/2014 10:27
Updated: 08/08/2024 04:17
Changes: 08/05/2014 10:27 (56), 09/19/2016 11:11 (13), 02/10/2022 07:46 (3), 02/10/2022 07:52 (18), 08/08/2024 04:17 (15)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to stay up to date on a daily basis?

Enable the mail alert feature now!