Cisco PIX/ASA 8.x VPN Authentication improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability classified as problematic has been found in Cisco PIX and ASA 8.x (Firewall Software). This affects an unknown code of the component VPN Authentication. 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. The summary by CVE is:

Unspecified vulnerability in Cisco Adaptive Security Appliances (ASA) 5500 Series and PIX Security Appliances 7.0 before 7.0(8)3, 7.1 before 7.1(2)78, 7.2 before 7.2(4)16, 8.0 before 8.0(4)6, and 8.1 before 8.1(1)13, when configured as a VPN using Microsoft Windows NT Domain authentication, allows remote attackers to bypass VPN authentication via unknown vectors.

The weakness was released 10/23/2008 with Cisco (Website). The advisory is shared at cisco.com. This vulnerability is uniquely identified as CVE-2008-3815 since 08/27/2008. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but an exploit is available.

It is declared as highly functional. We expect the 0-day to have been worth approximately $25k-$100k.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at cisco.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (46024).

Productinfo

Type

Vendor

Name

Version

License

Support

  • end of life (old version)

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Highly functional

EPSS Score: 🔍
EPSS Percentile: 🔍

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: cisco.com

Timelineinfo

08/27/2008 🔍
10/22/2008 +56 days 🔍
10/22/2008 +0 days 🔍
10/22/2008 +0 days 🔍
10/22/2008 +0 days 🔍
10/23/2008 +1 days 🔍
10/23/2008 +0 days 🔍
10/23/2008 +0 days 🔍
10/23/2008 +0 days 🔍
10/29/2008 +5 days 🔍
01/25/2017 +3010 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Organization: Cisco
Status: Confirmed

CVE: CVE-2008-3815 (🔍)
OVAL: 🔍

X-Force: 46024 - Cisco PIX and ASA NT Domain authentication bypass, Medium Risk
SecurityTracker: 1021090 - Cisco PIX Firewall Windows NT Domain Authentication Bug Lets Remote Users Bypass IPSec/SSL VPN Authentication
Vulnerability Center: 19838 - [cisco-sa-20081022-asa] Cisco PIX and ASA Windows NT Domain Bypass VPN Authentication Vulnerability, Medium
SecurityFocus: 31864 - Cisco PIX and ASA Windows NT Domain VPN Authentication Bypass Vulnerability
Secunia: 32360 - Cisco ASA and PIX VPN Authentication Bypass, Moderately Critical
OSVDB: 49364 - Cisco PIX / ASA Microsoft Windows NT VPN Domain Authentication Bypass
Vupen: ADV-2008-2899

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

Entryinfo

Created: 10/29/2008 11:44
Updated: 01/25/2017 11:57
Changes: 10/29/2008 11:44 (76), 01/25/2017 11:57 (10)
Complete: 🔍

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