National Cyber Awareness System

Vulnerability Summary for CVE-2012-5424

Overview

Cisco Secure Access Control System (ACS) 5.x before 5.2 Patch 11 and 5.3 before 5.3 Patch 7, when a certain configuration involving TACACS+ and LDAP is used, does not properly validate passwords, which allows remote attackers to bypass authentication by sending a valid username and a crafted password string, aka Bug ID CSCuc65634.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: XF

Name: cisco-acs-sec-bypass(79860)

Hyperlink:http://xforce.iss.net/xforce/xfdb/79860

External Source: SECTRACK

Name: 1027733

Hyperlink:http://www.securitytracker.com/id?1027733

External Source: BID

Name: 56433

Hyperlink:http://www.securityfocus.com/bid/56433

External Source: CISCO

Name: 20121107 Cisco Secure Access Control System TACACS+ Authentication Bypass Vulnerability

Type: Advisory

Hyperlink:http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20121107-acs

External Source: SECUNIA

Name: 51194

Hyperlink:http://secunia.com/advisories/51194

External Source: OSVDB

Name: 87251

Hyperlink:http://osvdb.org/87251