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Category:   Application (Directory)  >   Sun ONE Directory Server Vendors:   Oracle, Sun
(Oracle Issues Fix for Oracle Directory Server Enterprise Edition) Network Security Services (NSS) ASN.1 Parsing Flaw Lets Remote Users Forge Certificates
SecurityTracker Alert ID:  1032946
SecurityTracker URL:  http://securitytracker.com/id/1032946
CVE Reference:   CVE-2014-1568   (Links to External Site)
Date:  Jul 15 2015
Impact:   Disclosure of system information, Disclosure of user information, Modification of authentication information, Modification of system information, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Network Security Services (NSS). A remote user can forge digital certificates. Oracle Directory Server Enterprise Edition is affected.

The library does not properly parse ASN.1 values in a digital signature. A user can conduct a Bleichenbacher attack variant against the RSA algorithm to create a forged certificate.

Antoine Delignat-Lavaud of team Prosecco at Inria Paris and the Advanced Threat Research team at Intel Security separately reported this vulnerability.

Impact:   A remote user can forge digital certificates.
Solution:   Oracle has issued a fix for Oracle Directory Server Enterprise Edition as part of Oracle Critical Patch Update Advisory - July 2015.

The Oracle advisory is available at:

http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html

Vendor URL:  www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html (Links to External Site)
Cause:   Authentication error
Underlying OS:  Linux (Any), UNIX (Solaris - SunOS), Windows (Any)

Message History:   This archive entry is a follow-up to the message listed below.
Sep 24 2014 Network Security Services (NSS) ASN.1 Parsing Flaw Lets Remote Users Forge Certificates



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