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Category:   Application (Directory)  >   OpenLDAP Vendors:   OpenLDAP.org
(Ubuntu Issues Fix) OpenLDAP RWM Overlay Reference Counting Flaw Lets Remote Users Deny Service
SecurityTracker Alert ID:  1032400
SecurityTracker URL:  http://securitytracker.com/id/1032400
CVE Reference:   CVE-2013-4449   (Links to External Site)
Date:  May 26 2015
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  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:   Ubuntu has issued a fix.

The Ubuntu advisory is available at:

http://www.ubuntu.com/usn/usn-2622-1/

Vendor URL:  openldap.org/ (Links to External Site)
Cause:   Access control error, State error
Underlying OS:  Linux (Ubuntu)
Underlying OS Comments:  12.04 LTS, 14.04 LTS, 14.10, 15.04

Message History:   This archive entry is a follow-up to the message listed below.
Feb 3 2014 OpenLDAP RWM Overlay Reference Counting Flaw Lets Remote Users Deny Service



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