Cisco Trust Agent unauthorized access

cisco-trust-unauthorized-access (34807) The risk level is classified as MediumMedium Risk


The Cisco Trust Agent (CTA) software installed on a MacOS X machine could allow a local attacker to bypass authentication and gain unauthorized access to the vulnerable system. If the Cisco Secure ACS is configured to display messages after a posture check, an attacker could exploit this vulnerability to gain unauthorized administrative access to the "System Preferences" window and modify the passwords of admin and non-root user accounts.


Base Score: 5.6
  Access Vector: Local
  Access Complexity: High
  Authentication: Not Required
  Confidentiality Impact: Complete
  Integrity Impact: Complete
  Availability Impact: Complete
Temporal Score: 4.1
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed


Gain Access


Refer to cisco-sr-20070611-cta for patch, upgrade or suggested workaround information. See References.


  • BugTraq Mailing List, Mon Jun 11 2007 - 08:57:04 CDT : Cisco Trust Agent Vulnerability.
  • Cisco Web site: Cisco Trust Agent.
  • cisco-sr-20070611-cta: Cisco Security Response: Cisco Trust Agent - Mac OS X Privilege Escalation Vulnerability.
  • BID-24415: Cisco Trust Agent for Mac OS X Local Privilege Escalation Vulnerability
  • CVE-2007-3184: Cisco Trust Agent (CTA) before, when running on MacOS X, allows attackers with physical access to bypass authentication and modify System Preferences, including passwords, by invoking the Apple Menu when the Access Control Server (ACS) produces a user notification message after posture validation.
  • OSVDB ID: 35340: Cisco Trust Agent on Mac OS X User Notification Authentication Bypass
  • SA25598: Cisco Trust Agent "User Notification" Authentication Bypass
  • SECTRACK ID: 1018217: Cisco Trust Agent User Notification Function Lets Physically Local Users Gain Administrative Privileges

Platforms Affected:

  • Apple Mac OS X
  • Cisco Trust Agent 1.0
  • Cisco Trust Agent 2.0
  • Cisco Trust Agent


Jun 11, 2007

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