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Category:   Application (Database)  >   PostgreSQL Vendors:   postgresql.org
PostgreSQL NULL Character Flaw in Certificate Processing Lets Remote Users Spoof Certficiates
SecurityTracker Alert ID:  1023325
SecurityTracker URL:  http://securitytracker.com/id/1023325
CVE Reference:   CVE-2009-4034   (Links to External Site)
Date:  Dec 15 2009
Impact:   Modification of authentication information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 7.4, 8.0, 8.1, 8.2, 8.3, 8.4
Description:   A vulnerability was reported in PostgreSQL. A remote user can spoof certificates of arbitrary clients and servers.

A remote user can create a certificate with a specially crafted field that contains a NULL character. Once the certificate is signed by a Certificate Authority, the certificate can be used to spoof a target client or server certificate.

Systems that have SSL enabled and perform certificate name validation or client certificate authentication may be affected.

Impact:   A remote user can spoof certificates of arbitrary clients and servers.
Solution:   The vendor has issued a fix (7.4.27, 8.0.23, 8.1.19, 8.2.15, 8.3.9, 8.4.2).

The vendor's advisory is available at:

http://www.postgresql.org/about/news.1170

Vendor URL:  www.postgresql.org/about/news.1170 (Links to External Site)
Cause:   Input validation error
Underlying OS:   Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Dec 28 2009 (Sun Issues Fix) PostgreSQL NULL Character Flaw in Certificate Processing Lets Remote Users Spoof Certficiates
Sun has issued a fix for OpenSolaris.



 Source Message Contents

Date:  Tue, 15 Dec 2009 04:27:51 +0000
Subject:  PostgreSQL


http://www.postgresql.org/about/news.1170

CVE-2009-4034



 
 


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