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Research > Zero-Day Tracker > 20110725

Mac OS X Lion OpenLDAP Security Bypass

Date Disclosed:

Date Patched:


Affected Software:
Mac OS X Lion v10.7.1 and earlier

Mac OS X Lion OpenLDAP server contains a vulnerability that permits certain clients to log in using invalid usernames and invalid passwords.


Code Execution:

Unauthorized Network Access
LDAP users that enter an invalid username and/or password are able to log in via LDAP authentication.

No reasonable mitigation exists.


  • BeyondTrust's Retina® Network Security Scanner scans devices to detect for this vulnerability.
    • Retina 15395 - Apple Mac OS X Security Update 2011-006 and OS X 10.7.2 Update


7.25.2011 - Public information released
10.11.2011 - Apple released Security Update 2011-006

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