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Category:   Application (Directory)  >   OpenLDAP Vendors:   OpenLDAP.org
OpenLDAP Cipherstring Parsing Bug Lets Remote Users Downgrade the Encryption Cipher
SecurityTracker Alert ID:  1034221
SecurityTracker URL:  http://securitytracker.com/id/1034221
CVE Reference:   CVE-2015-3276   (Links to External Site)
Date:  Nov 24 2015
Impact:   Modification of system information, Modification of user information
Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in OpenLDAP. A remote user can cause the target system to use a different encryption cipher than specified in the configuration.

The system does not properly parse OpenSSL-style cipher strings in multi-keyword mode. A remote user can send a specially crafted cipher request to cause the target system to use a cipher that was not intended to be used.

Martin Poole of the Red Hat Software Maintenance Engineering group reported this vulnerability.

Impact:   A remote user can cause the target system to use a different encryption cipher than specified in the configuration.
Solution:   No solution was available at the time of this entry.
Vendor URL:  www.openldap.org/ (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Nov 25 2015 (Red Hat Issues Fix) OpenLDAP Cipherstring Parsing Bug Lets Remote Users Downgrade the Encryption Cipher
Red Hat has issued a fix for Red Hat Enterprise Linux 7.



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