Cisco VPN Client denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

A vulnerability, which was classified as problematic, was found in Cisco VPN Client (Network Encryption Software) (version now known). This affects some unknown processing. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

The VPN driver in Cisco VPN Client on Windows does not properly interact with the kernel, which allows local users to cause a denial of service (kernel fault and system crash) via a crafted application, aka Bug ID CSCuc81669.

The weakness was presented 01/17/2013 with Cisco as CSCuc81669 as confirmed security notice (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is uniquely identified as CVE-2012-5429 since 10/17/2012. The exploitability is told to be easy. Attacking locally is a requirement. Required for exploitation is a authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 64437 (Cisco VPN Client Unsupported), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (81392) and Tenable (64437).

Productinfo

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Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 64437
Nessus Name: Cisco VPN Client Unsupported
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/17/2012 🔍
01/12/2013 +87 days 🔍
01/12/2013 +0 days 🔍
01/17/2013 +5 days 🔍
01/17/2013 +0 days 🔍
02/03/2013 +17 days 🔍
03/11/2013 +36 days 🔍
03/24/2015 +743 days 🔍
12/21/2021 +2464 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCuc81669
Organization: Cisco
Status: Confirmed

CVE: CVE-2012-5429 (🔍)
X-Force: 81392
Vulnerability Center: 38710 - Cisco VPN Client on Windows Local Denial of Service due to Improper Interaction With The Kernel, Medium
SecurityFocus: 57483 - Cisco VPN Client for Windows CVE-2012-5429 Local Denial of Service Vulnerability

Entryinfo

Created: 03/24/2015 12:22
Updated: 12/21/2021 16:58
Changes: 03/24/2015 12:22 (53), 09/04/2017 09:18 (10), 12/21/2021 16:58 (3)
Complete: 🔍

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