Apple Mac OS X User Template code execution

macos-usertemplate-code-execution (43496) The risk level is classified as HighHigh Risk

Description:

Apple Mac OS X could allow a local attacker to execute arbitrary code on the system, caused by the storing of malicious files with insecure permissions on the User Template directory that remain part of the home directory. By creating a new user using the User Template directory, a local attacker could exploit this vulnerability to execute arbitrary code on the system with the privileges of the new user.

Platforms Affected:

  • Apple, Mac OS X 10.4.11
  • Apple, Mac OS X Server 10.4.11

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 Privileges

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-2008-2313: Apple Mac OS X before 10.5 uses weak permissions for the User Template directory, which allows local users to gain privileges by inserting a Trojan horse file into this directory.
  • 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: 1020394: Mac OS X User Template Directory Permissions Lets Local Users Gain Elevated Privileges

Reported:

Jun 30, 2008

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