Apple Mac OS X InputManager privilege escalation

macos-inputmanager-privilege-escalation (31676) The risk level is classified as HighHigh Risk

Description:

Apple Mac OS X could allow a local attacker to gain elevated privileges, caused by insecure permissions on the /Library/InputManagers folder. A local attacker could create a specially-crafted InputManager file and launch the UserNotificationCenter.app to gain root privileges on the vulnerable system.

*CVSS:

Base Score: 7
  Access Vector: Local
  Access Complexity: Low
  Authentication: Not Required
  Confidentiality Impact: Complete
  Integrity Impact: Complete
  Availability Impact: Complete
 
Temporal Score: 5.5
  Exploitability: Proof-Of-Concept
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Privileges

Remedy:

Refer to Apple Security Update 2007-002 for upgrade information. See References.

References:

  • Apple Mac OS X Web site: Apple - Mac OS X.
  • Apple Security Update 2007-002: About Security Update 2007-002.
  • MOAB-22-01-2007: Apple UserNotificationCenter Privilege Escalation Vulnerability.
  • BID-22188: Apple UserNotificationCenter Local Privilege Escalation Vulnerability
  • CVE-2007-0023: The CFUserNotificationSendRequest function in UserNotificationCenter.app in Apple Mac OS X 10.4.8, when used in combination with diskutil, allows local users to gain privileges via a malicious InputManager in Library/InputManagers in a user's home directory, which is executed when Cocoa applications attempt to notify the user.
  • OSVDB ID: 32695: Apple Mac OS X UserNotificationCenter.app CFUserNotificationSendRequest Function Privilege Escalation
  • SA23846: Apple Mac OS X "UserNotificationCenter" Privilege Escalation
  • SA24198: Mac OS X Security Update Fixes Multiple Vulnerabilities
  • SECTRACK ID: 1017542: Mac OS X CFUserNotification() Function Lets Local Users Gain Root Privileges
  • US-CERT VU#315856: Apple Mac OS X UserNotificationCenter privilege escalation vulnerability

Platforms Affected:

  • Apple Mac OS X 10.3.9
  • Apple Mac OS X 10.4.8
  • Apple Mac OS X Server 10.3.9
  • Apple Mac OS X Server 10.4.8

Reported:

Jan 22, 2007

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