Vulnerability Note VU#811384

Apple Mac OS X Security Framework Online Certificate Status Protocol (OCSP) service fails to properly retrieve certificate revocation lists

Original Release date: 04 Dec 2006 | Last revised: 04 Dec 2006

Overview

Apple Mac OS X Security Framework Online Certificate Status Protocol (OCSP) service is unable to retrieve certificate revocation lists on systems that are configured to use an HTTP proxy. This vulnerability may result in the use of revoked certificates.

Description

The Online Certificate Status Protocol (OCSP) is used to obtain the status of X.509 digital certificates. According to Apple Security Update 2006-007:

    On systems that are configured to use an HTTP proxy, the Online Certificate Status Protocol (OCSP) service is unable to retrieve certificate revocation lists. This update addresses this issue by using the system proxy settings in ocpsd.

Impact

This vulnerability may result in the use of revoked certificates. The full impact of this vulnerability depends on the application verifying the certificate.

Solution

Apply Apple Updates
This issue is addressed by Apple Security Update 2006-007.

Systems Affected (Learn More)

VendorStatusDate NotifiedDate Updated
Apple Computer, Inc.Affected-01 Dec 2006
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

References

Credit

This issue was reported in Apple Security Update 2006-007. Apple credits Timothy J. Miller of the MITRE Corporation for reporting this issue.

This document was written by Chris Taschner.

Other Information

  • CVE IDs: CVE-2006-4409
  • Date Public: 28 Nov 2006
  • Date First Published: 04 Dec 2006
  • Date Last Updated: 04 Dec 2006
  • Severity Metric: 0.22
  • Document Revision: 10

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