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Last updated: 9/23/2014 12:14:44 AM

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National Cyber Awareness System

Vulnerability Summary for CVE-2009-4034

Original release date: 12/15/2009
Last revised: 03/26/2010
Source: US-CERT/NIST

Overview

PostgreSQL 7.4.x before 7.4.27, 8.0.x before 8.0.23, 8.1.x before 8.1.19, 8.2.x before 8.2.15, 8.3.x before 8.3.9, and 8.4.x before 8.4.2 does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which (1) allows man-in-the-middle attackers to spoof arbitrary SSL-based PostgreSQL servers via a crafted server certificate issued by a legitimate Certification Authority, and (2) allows remote attackers to bypass intended client-hostname restrictions via a crafted client certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.8 (MEDIUM) (AV:N/AC:M/Au:N/C:N/I:P/A:P) (legend)
Impact Subscore: 4.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized modification; Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (01/07/2010)
This issue is only security-relevant in PostgreSQL versions 8.4 and later as previous versions did not compare the connection host name with the certificate CommonName at all. Client certificate authentication was introduced in version 8.4. Red Hat Enterprise Linux 5 and earlier provided PostgreSQL versions 8.1.x and earlier, and are thus not affected by this issue.

References to Advisories, Solutions, and Tools

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External Source: SECUNIA
Name: 37663
External Source: FEDORA
Name: FEDORA-2009-13363
External Source: CONFIRM
Name: http://www.postgresql.org/docs/current/static/release-8-1-19.html
Type: Advisory; Patch Information
External Source: BID
Name: 37334
External Source: CONFIRM
Name: http://www.postgresql.org/support/security.html
Type: Advisory
External Source: VUPEN
Name: ADV-2009-3519
External Source: CONFIRM
Name: http://www.postgresql.org/docs/current/static/release-8-0-23.html
Type: Advisory; Patch Information
External Source: CONFIRM
Name: http://www.postgresql.org/docs/current/static/release-7-4-27.html
Type: Advisory; Patch Information
External Source: SUSE
Name: SUSE-SR:2010:001
External Source: BUGTRAQ
Name: 20100307 rPSA-2010-0012-1 postgresql postgresql-contrib postgresql-server
External Source: CONFIRM
Name: http://www.postgresql.org/docs/current/static/release-8-4-2.html
Type: Advisory; Patch Information
External Source: MANDRIVA
Name: MDVSA-2009:333
External Source: FEDORA
Name: FEDORA-2009-13381
External Source: CONFIRM
Name: http://www.postgresql.org/docs/current/static/release-8-2-15.html
Type: Advisory; Patch Information
External Source: OSVDB
Name: 61038
External Source: CONFIRM
Name: http://wiki.rpath.com/wiki/Advisories:rPSA-2010-0012
External Source: CONFIRM
Name: http://www.postgresql.org/docs/current/static/release-8-3-9.html
Type: Advisory; Patch Information
External Source: SECTRACK
Name: 1023325

Vulnerable software and versions

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Collapse Configuration 1Configuration 1
Collapse OROR
* cpe:/a:postgresql:postgresql:7.4.3
* cpe:/a:postgresql:postgresql:7.4.2
* cpe:/a:postgresql:postgresql:7.4.5
* cpe:/a:postgresql:postgresql:7.4.4
* cpe:/a:postgresql:postgresql:7.4.7
* cpe:/a:postgresql:postgresql:7.4.6
* cpe:/a:postgresql:postgresql:7.4.24
* cpe:/a:postgresql:postgresql:7.4.9
* cpe:/a:postgresql:postgresql:7.4.8
* cpe:/a:postgresql:postgresql:7.4.18
* cpe:/a:postgresql:postgresql:7.4.1
* cpe:/a:postgresql:postgresql:7.4.10
* cpe:/a:postgresql:postgresql:7.4.11
* cpe:/a:postgresql:postgresql:7.4.12
* cpe:/a:postgresql:postgresql:7.4.13
* cpe:/a:postgresql:postgresql:7.4.14
* cpe:/a:postgresql:postgresql:7.4.15
* cpe:/a:postgresql:postgresql:7.4.16
* cpe:/a:postgresql:postgresql:7.4.17
* cpe:/a:postgresql:postgresql:7.4.22
* cpe:/a:postgresql:postgresql:7.4.23
* cpe:/a:postgresql:postgresql:7.4.25
* cpe:/a:postgresql:postgresql:7.4.19
* cpe:/a:postgresql:postgresql:7.4.20
* cpe:/a:postgresql:postgresql:7.4.21
* cpe:/a:postgresql:postgresql:7.4.26
* cpe:/a:postgresql:postgresql:8.0.11
* cpe:/a:postgresql:postgresql:8.0.20
* cpe:/a:postgresql:postgresql:8.0.0
* cpe:/a:postgresql:postgresql:8.0.10
* cpe:/a:postgresql:postgresql:8.0.14
* cpe:/a:postgresql:postgresql:8.0.1
* cpe:/a:postgresql:postgresql:8.0.2
* cpe:/a:postgresql:postgresql:8.0.13
* cpe:/a:postgresql:postgresql:8.0.4
* cpe:/a:postgresql:postgresql:8.0.3
* cpe:/a:postgresql:postgresql:8.0.7
* cpe:/a:postgresql:postgresql:8.0.8
* cpe:/a:postgresql:postgresql:8.0.5
* cpe:/a:postgresql:postgresql:8.0.6
* cpe:/a:postgresql:postgresql:8.0.9
* cpe:/a:postgresql:postgresql:8.0.16
* cpe:/a:postgresql:postgresql:8.0.17
* cpe:/a:postgresql:postgresql:8.0.18
* cpe:/a:postgresql:postgresql:8.0.19
* cpe:/a:postgresql:postgresql:8.0.12
* cpe:/a:postgresql:postgresql:8.0.15
* cpe:/a:postgresql:postgresql:8.0.21
* cpe:/a:postgresql:postgresql:8.0.22
* cpe:/a:postgresql:postgresql:8.1.8
* cpe:/a:postgresql:postgresql:8.1.7
* cpe:/a:postgresql:postgresql:8.1.16
* cpe:/a:postgresql:postgresql:8.1.10
* cpe:/a:postgresql:postgresql:8.1.0
* cpe:/a:postgresql:postgresql:8.1.1
* cpe:/a:postgresql:postgresql:8.1.4
* cpe:/a:postgresql:postgresql:8.1.5
* cpe:/a:postgresql:postgresql:8.1.2
* cpe:/a:postgresql:postgresql:8.1.3
* cpe:/a:postgresql:postgresql:8.1.6
* cpe:/a:postgresql:postgresql:8.1.9
* cpe:/a:postgresql:postgresql:8.1.11
* cpe:/a:postgresql:postgresql:8.1.13
* cpe:/a:postgresql:postgresql:8.1.12
* cpe:/a:postgresql:postgresql:8.1.14
* cpe:/a:postgresql:postgresql:8.1.15
* cpe:/a:postgresql:postgresql:8.1.17
* cpe:/a:postgresql:postgresql:8.1.18
* cpe:/a:postgresql:postgresql:8.2.3
* cpe:/a:postgresql:postgresql:8.2.2
* cpe:/a:postgresql:postgresql:8.2.14
* cpe:/a:postgresql:postgresql:8.2.12
* cpe:/a:postgresql:postgresql:8.2.5
* cpe:/a:postgresql:postgresql:8.2.4
* cpe:/a:postgresql:postgresql:8.2
* cpe:/a:postgresql:postgresql:8.2.1
* cpe:/a:postgresql:postgresql:8.2.7
* cpe:/a:postgresql:postgresql:8.2.6
* cpe:/a:postgresql:postgresql:8.2.11
* cpe:/a:postgresql:postgresql:8.2.9
* cpe:/a:postgresql:postgresql:8.2.8
* cpe:/a:postgresql:postgresql:8.2.13
* cpe:/a:postgresql:postgresql:8.2.10
* cpe:/a:postgresql:postgresql:8.3.8
* cpe:/a:postgresql:postgresql:8.3.6
* cpe:/a:postgresql:postgresql:8.3.7
* cpe:/a:postgresql:postgresql:8.3.5
* cpe:/a:postgresql:postgresql:8.3.2
* cpe:/a:postgresql:postgresql:8.3.1
* cpe:/a:postgresql:postgresql:8.3.4
* cpe:/a:postgresql:postgresql:8.3.3
* cpe:/a:postgresql:postgresql:8.4.1
* Denotes Vulnerable Software
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Technical Details

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