Apple Mac OS X Image Capture symlink

macosx-imagecapture-symlink (42719) The risk level is classified as MediumMedium Risk

Description:

Apple Mac OS X Image Capture could allow a local attacker to launch a symlink attack, caused by the improper handling of temporary files that are created with insecure permissions. A local attacker could exploit this vulnerability by creating a symbolic link from a temporary file to other files on the system, which would allow the attacker to overwrite arbitrary files on the system with the privileges of the victim, access the contents of images being resized, or obtain sensitive information.

*CVSS:

Base Score: 3.3
  Access Vector: Local
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: Partial
  Availability Impact: Partial
 
Temporal Score: 2.9
  Exploitability: High
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

File Manipulation

Remedy:

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

References:

  • Apple Web site: About the security content of Security Update 2008-003 / Mac OS X 10.5.3.
  • BID-29412: RETIRED: Apple Mac OS X 2008-003 Multiple Security Vulnerabilities
  • BID-29521: Apple Mac OS X Image Capture Local Arbitrary File Overwrite Vulnerability
  • CVE-2008-1572: Image Capture in Apple Mac OS X before 10.5 does not properly use temporary files, which allows local users to overwrite arbitrary files, and display images that are being resized by this application.
  • OSVDB ID: 45706: Apple Mac OS X Image Capture Temporary File Handling Arbitrary File Overwrite
  • SA30430: Apple Mac OS X Security Update Fixes Multiple Vulnerabilities
  • SECTRACK ID: 1020141: Mac OS X Image Capture Lets Local Users View Files and Gain Elevated Privileges

Platforms Affected:

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

Reported:

May 28, 2008

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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