Apple Mac OS X CoreTypes code execution

macos-coretypes-code-execution (43493) The risk level is classified as HighHigh Risk

Description:

Apple Mac OS X could allow a remote attacker to execute code on the system, caused by the failure to warn users about opening unsafe file types by the CoreTypes component. By persuading a victim to open a specially-crafted file type that appears safe for opening, a remote attacker could exploit this vulnerability to execute malicious code on the system.

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 10.5.3
  • 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
  • Apple, Mac OS X Server 10.5.3

Remedy:

Apply Apple Security Update 2008-004 or upgrade to the latest version of Mac OS X (10.5.4 or later), available from the Apple Web site. See References.

Consequences:

Gain Access

References:

  • Apple Web site, About the security content of Security Update 2008-004 and Mac OS X 10.5.4 at http://support.apple.com/kb/HT2163.
  • BID-30018: Apple Mac OS X 2008-004 Multiple Security Vulnerabilities
  • CVE-2008-2309: Incomplete blacklist vulnerability in CoreTypes in Apple Mac OS X before 10.5.4 allows user-assisted remote attackers to execute arbitrary code via a (1) .xht or (2) .xhtm file, which does not trigger a potentially unsafe warning message in (a) the Download Validation feature in Mac OS X 10.4 or (b) the Quarantine feature in Mac OS X 10.5.
  • FrSIRT/ADV-2008-1981: Apple Mac OS X Command Execution and Security Bypass Issues
  • SA30802: Apple Mac OS X Security Update Fixes Multiple Vulnerabilities
  • SECTRACK ID: 1020391: Mac OS X CoreTypes May Not Warn Users Before Opening Unsafe File Types

Reported:

Jun 30, 2008

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