Cisco SSL VPN AAA Authentication 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.
6.5$0-$5k0.00

A vulnerability was found in Cisco SSL VPN (Network Encryption Software) (the affected version is unknown). It has been rated as critical. Affected by this issue is an unknown code of the component AAA Authentication. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is availability. CVE summarizes:

The AAA functionality in the IPv4 SSL VPN implementations on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Catalyst 6500 series devices, with software 8.2 before 8.2(5.30) and 8.3 before 8.3(2.34) allows remote attackers to cause a denial of service (device reload) via a crafted authentication response, aka Bug ID CSCtz04566.

The weakness was presented 10/10/2012 with Cisco as cisco-sa-20121010-asa as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. The public release was coordinated in cooperation with the vendor. This vulnerability is handled as CVE-2012-4659 since 08/24/2012. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 62760 (Cisco ASA 5500 Series Multiple Vulnerabilities (cisco-sa-20121010-asa)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43254 (Cisco ASA 5500 Series Adaptive Security Appliances and Cisco Catalyst 6500 Series ASA Services Module Multiple Vulnerabilities (cisco-sa-20121010-asa)).

Upgrading eliminates this vulnerability. The upgrade is hosted for download at cisco.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (79177), Tenable (62760), SecurityFocus (BID 55865†), OSVDB (86137†) and Secunia (SA50871†). See VDB-6676, VDB-6677, VDB-6675 and VDB-6674 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 62760
Nessus Name: Cisco ASA 5500 Series Multiple Vulnerabilities (cisco-sa-20121010-asa)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: cisco.com

Timelineinfo

08/24/2012 🔍
10/10/2012 +47 days 🔍
10/10/2012 +0 days 🔍
10/10/2012 +0 days 🔍
10/10/2012 +0 days 🔍
10/10/2012 +0 days 🔍
10/11/2012 +1 days 🔍
10/11/2012 +0 days 🔍
10/12/2012 +1 days 🔍
10/15/2012 +3 days 🔍
10/29/2012 +14 days 🔍
04/18/2021 +3093 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20121010-asa
Organization: Cisco
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2012-4659 (🔍)
GCVE (CVE): GCVE-0-2012-4659
GCVE (VulDB): GCVE-100-6668
X-Force: 79177 - Cisco ASA 5500 Series Adaptive Security Appliances AAA denial of service, Medium Risk
SecurityFocus: 55865 - Cisco ASA 5500 Series and Cisco Catalyst 6500 Series SSL VPN Denial of Service Vulnerability
Secunia: 50871 - Cisco ASA Products Multiple Vulnerabilities, Moderately Critical
OSVDB: 86137
SecurityTracker: 1027641 - Cisco ASA Bugs Let Remote Users Deny Service and Execute Arbitrary Code
Vulnerability Center: 36454 - [cisco-sa-20121010-asa] Cisco ASA 5500 Series and Catalyst 6500 Series Remote DoS Vulnerability, High

See also: 🔍

Entryinfo

Created: 10/15/2012 11:58 AM
Updated: 04/18/2021 09:50 AM
Changes: 10/15/2012 11:58 AM (80), 04/17/2017 07:56 PM (6), 04/18/2021 09:50 AM (3)
Complete: 🔍
Committer:
Cache ID: 18:47D:40

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!