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Category:   Application (Database)  >   PostgreSQL Vendors:   postgresql.org
(Sun Issues Fix) PostgreSQL NULL Character Flaw in Certificate Processing Lets Remote Users Spoof Certficiates
SecurityTracker Alert ID:  1023390
SecurityTracker URL:  http://securitytracker.com/id/1023390
CVE Reference:   CVE-2009-4034   (Links to External Site)
Date:  Dec 28 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:   Sun has issued a fix.

SPARC Platform

* OpenSolaris PostgreSQL 8.1 based upon builds snv_110 or later
* OpenSolaris PostgreSQL 8.2 based upon builds snv_131 or later
* OpenSolaris PostgreSQL 8.3 based upon builds snv_131 or later

x86 Platform

* OpenSolaris PostgreSQL 8.1 based upon builds snv_110 or later
* OpenSolaris PostgreSQL 8.2 based upon builds snv_131 or later
* OpenSolaris PostgreSQL 8.3 based upon builds snv_131 or later

Sun is working on a fix for Solaris 10.

The Sun advisory is available at:

http://sunsolve.sun.com/search/document.do?assetkey=1-66-274870-1

Vendor URL:  www.postgresql.org/about/news.1170 (Links to External Site)
Cause:   Input validation error
Underlying OS:   UNIX (Solaris - SunOS)

Message History:   This archive entry is a follow-up to the message listed below.
Dec 15 2009 PostgreSQL NULL Character Flaw in Certificate Processing Lets Remote Users Spoof Certficiates



 Source Message Contents

Date:  Mon, 28 Dec 2009 14:38:33 +0000
Subject:  PostgreSQL


http://sunsolve.sun.com/search/document.do?assetkey=1-66-274870-1

CVE-2009-4034
CVE-2009-4136
 
 


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