Barracuda Web Application Firewall 7.8.1.013 Token improper authentication
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.9 | $0-$5k | 0.00 |
Summary
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.
Details
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=guestThe 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.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.barracuda.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.1VulDB 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: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 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: 🔍
NVD Base Score: 🔍
Exploiting
Class: Improper authenticationCWE: 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-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: FirewallStatus: 🔍
0-Day Time: 🔍
Exploit Delay Time: 🔍
Timeline
03/05/2014 🔍03/05/2014 🔍
03/24/2014 🔍
08/01/2014 🔍
08/01/2014 🔍
08/04/2014 🔍
08/04/2014 🔍
08/05/2014 🔍
08/08/2024 🔍
Sources
Vendor: barracuda.comAdvisory: 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
Entry
Created: 08/05/2014 10:27Updated: 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.
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