Vulnerability Note VU#774345

Apple Mac OS X fails to properly handle a crafted URL

Original Release date: 12 Feb 2008 | Last revised: 12 Feb 2008


A vulnerability in the way Apple Mac OS X handles specially crafted URLs may allow an attacker to execute arbitrary code.


According to Apple Security Update 2008-001:

    An input validation issue exists in the processing of URL schemes handled by By enticing a user to visit a maliciously crafted web page, an attacker may cause an application to be launched with controlled command line arguments, which may lead to arbitrary code execution.

Note that this vulnerability affects Apple Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5 and v10.5.1, and Mac OS X Server v10.5 and v10.5.1.


A remote, unauthenticated attacker may be able to execute arbitrary code.


Apply an update
This issue is addressed in Apple Security Update 2008-001 and Apple Mac OS X 10.5.2.

Systems Affected (Learn More)

VendorStatusDate NotifiedDate Updated
Apple Computer, Inc.Affected-12 Feb 2008
If you are a vendor and your product is affected, let us know.

CVSS Metrics (Learn More)

Group Score Vector
Base N/A N/A
Temporal N/A N/A
Environmental N/A N/A



This issue was reported in Apple Security Update 2008-001. Apple credits Olli Leppanen of Digital Film Finland and Brian Mastenbrook for reporting this issue.

This document was written by Chris Taschner.

Other Information

  • CVE IDs: CVE-2008-0042
  • Date Public: 12 Feb 2008
  • Date First Published: 12 Feb 2008
  • Date Last Updated: 12 Feb 2008
  • Severity Metric: 20.20
  • Document Revision: 4


If you have feedback, comments, or additional information about this vulnerability, please send us email.