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Test ID:1.3.6.1.4.1.25623.1.0.100400
Category:Databases
Title:PostgreSQL NULL Character CA SSL Certificate Validation Security Bypass Vulnerability
Summary:Determine if PostgreSQL is prone to a security-bypass and to a local privilege-escalation vulnerability
Description:Overview:
PostgreSQL is prone to a security-bypass vulnerability because the
application fails to properly validate the domain name in a signed CA
certificate, allowing attackers to substitute malicious SSL
certificates for trusted ones.

Successfully exploiting this issue allows attackers to perform man-in-the-
middle attacks or impersonate trusted servers, which will aid in
further attacks.

PostgreSQL is also prone to a local privilege-escalation vulnerability.
Exploiting this issue allows local attackers to gain elevated
privileges.

PostgreSQL versions prior to 8.4.2, 8.3.9, 8.2.15, 8.1.19, 8.0.23, and
7.4.27 are vulnerable to this issue.

Solution:
Updates are available. Please see the references for more information.

References:
http://www.securityfocus.com/bid/37334
http://www.securityfocus.com/bid/37333
http://www.postgresql.org
http://www.postgresql.org/support/security
http://www.postgresql.org/about/news.1170
Cross-Ref: BugTraq ID: 37334
BugTraq ID: 37333
Common Vulnerability Exposure (CVE) ID: CVE-2009-4034
Bugtraq: 20100307 rPSA-2010-0012-1 postgresql postgresql-contrib postgresql-server (Google Search)
http://www.securityfocus.com/archive/1/archive/1/509917/100/0/threaded
https://www.redhat.com/archives/fedora-package-announce/2009-December/msg01035.html
https://www.redhat.com/archives/fedora-package-announce/2009-December/msg01056.html
http://www.mandriva.com/security/advisories?name=MDVSA-2009:333
SuSE Security Announcement: SUSE-SR:2010:001 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00007.html
http://www.securityfocus.com/bid/37334
http://osvdb.org/61038
http://www.securitytracker.com/id?1023325
http://secunia.com/advisories/37663
http://www.vupen.com/english/advisories/2009/3519
Common Vulnerability Exposure (CVE) ID: CVE-2009-4136
http://www.redhat.com/support/errata/RHSA-2010-0427.html
http://www.redhat.com/support/errata/RHSA-2010-0428.html
http://www.redhat.com/support/errata/RHSA-2010-0429.html
http://www.securityfocus.com/bid/37333
http://osvdb.org/61039
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:9358
http://www.securitytracker.com/id?1023326
http://secunia.com/advisories/39820
http://www.vupen.com/english/advisories/2010/1197
CopyrightThis script is Copyright (C) 2009 Greenbone Networks GmbH

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