Apple Mac OS X CoreFoundation CFDataReplaceBytes() buffer overflow

macosx-corefoundation-cfdatareplacebytes-bo (42709) The risk level is classified as HighHigh Risk

Description:

Apple Mac OS X is vulnerable to a heap-based buffer overflow, caused by an integer overflow in the CoreFoundation CFDataReplaceBytes function. By creating a specially-crafted CFData object that passes an invalid length argument, a local attacker could overflow a buffer and execute arbitrary code on the system with elevated privileges or cause the affected application to crash.

Platforms Affected:

  • Apple, Mac OS X 10.4.11
  • Apple, Mac OS X 10.5
  • Apple, Mac OS X 10.5.1
  • Apple, Mac OS X 10.5.2
  • Apple, Mac OS X Server 10.4.11
  • Apple, Mac OS X Server 10.5
  • Apple, Mac OS X Server 10.5.1
  • Apple, Mac OS X Server 10.5.2

Remedy:

Apply Security Update 2008-003, available from the Apple Web site. See References.

Consequences:

Gain Privileges

References:

  • Apple Web site, About the security content of Security Update 2008-003 / Mac OS X 10.5.3 at http://support.apple.com/kb/HT1897.
  • BID-29412: RETIRED: Apple Mac OS X 2008-003 Multiple Security Vulnerabilities
  • BID-29491: Apple Mac OS X CoreFoundation CFData Object Handling Code Execution Vulnerability
  • CVE-2008-1030: Integer overflow in the CFDataReplaceBytes function in the CFData API in CoreFoundation in Apple Mac OS X before 10.5.3 allows context-dependent attackers to execute arbitrary code or cause a denial of service (crash) via an invalid length argument, which triggers a heap-based buffer overflow.
  • FrSIRT/ADV-2008-1697: Apple Mac OS X Command Execution and Security Bypass Issues
  • SA30430: Apple Mac OS X Security Update Fixes Multiple Vulnerabilities
  • SECTRACK ID: 1020135: Mac OS X CoreFoundation Integer Overflow in Processing CFData Objects Lets Users Execute Arbitrary Code

Reported:

May 28, 2008

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