Apple Mac OS X CoreFoundation integer underflow

macos-corefoundation-integer-underflow (26408) The risk level is classified as HighHigh Risk

Description:

Apple Mac OS X and Mac OS X Server could allow a local attacker to execute arbitrary code on the system, caused by an integer underflow in the CFStringGetFileSystemRepresentation API of the CoreFoundation module.


Consequences:

Gain Privileges

Remedy:

Apply Apple Security Update 2006-003, available from the Apple Web site. See References.

References:

  • Apple Security Update 2006-003: About Security Update 2006-003.
  • US-CERT Technical Cyber Security Alert TA06-132A: Apple Mac Products Affected by Multiple Vulnerabilities.
  • BID-17951: Apple Mac OS X Security Update 2006-003 Multiple Vulnerabilities
  • CVE-2006-1443: Integer underflow in CoreFoundation in Apple Mac OS X 10.3.9 and 10.4.6 allows context-dependent attackers to execute arbitrary code via unspecified vectors involving conversions from string to file system representation within (1) CFStringGetFileSystemRepresentation or (2) getFileSystemRepresentation:maxLength:withPath in NSFileManager, and possibly other similar API functions.
  • OSVDB ID: 25587: Apple Mac OS X CFStringGetFileSystemRepresentation Integer Underflow
  • SA20077: Mac OS X Security Update Fixes Multiple Vulnerabilities
  • SECTRACK ID: 1016080: Apple Mac OS X CoreFoundation Untrusted Bundles or the CFStringGetFileSystemRepresentation() API May Let Users Execute Arbitrary Code

Platforms Affected:

  • Apple Mac OS X 10.3.9
  • Apple Mac OS X 10.4.6
  • Apple Mac OS X Server 10.3.9
  • Apple Mac OS X Server 10.4.6

Reported:

May 11, 2006

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