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Category:   Application (Directory)  >   OpenLDAP Vendors:   OpenLDAP.org
OpenLDAP RWM Overlay Reference Counting Flaw Lets Remote Users Deny Service
SecurityTracker Alert ID:  1029711
SecurityTracker URL:  http://securitytracker.com/id/1029711
CVE Reference:   CVE-2013-4449   (Links to External Site)
Date:  Feb 3 2014
Impact:   Denial of service via network
Exploit Included:  Yes  
Version(s): 2.4.36; other versions are affected
Description:   A vulnerability was reported in OpenLDAP. A remote user can cause denial of service conditions.

A remote user can send specially crafted search request and then immediately unbind from the server to cause the target slapd service to crash.

Michael Vishchers from Seven Principles AG reported this vulnerability.

Impact:   A remote user can cause the target service to crash.
Solution:   No solution was available at the time of this entry.

The vendor's advisory is available at:

http://www.openldap.org/its/index.cgi/Incoming?id=7723

Vendor URL:  openldap.org/ (Links to External Site)
Cause:   Access control error, State error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Feb 3 2014 (Red Hat Issues Fix) OpenLDAP RWM Overlay Reference Counting Flaw Lets Remote Users Deny Service
Red Hat has issued a fix for Red Hat Enterprise Linux 6.
Feb 24 2014 (Red Hat Issues Fix) OpenLDAP RWM Overlay Reference Counting Flaw Lets Remote Users Deny Service
Red Hat has issued a fix for Red Hat Enterprise Linux 5.
Apr 3 2014 (Cisco Issues Fix for Cisco Unified Communications Manager) OpenLDAP RWM Overlay Reference Counting Flaw Lets Remote Users Deny Service
Cisco has issued a fix for Cisco Unified Communications Manager.
May 26 2015 (Ubuntu Issues Fix) OpenLDAP RWM Overlay Reference Counting Flaw Lets Remote Users Deny Service
Ubuntu has issued a fix for Ubuntu 12.04 LTS, 14.04 LTS, 14.10, and 15.04.



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