// For flags

CVE-2009-4034

Debian Linux Security Advisory 1964-1

Severity Score

5.9
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

PostgreSQL v7.4.x anteriores a v7.4.27, v8.0.x anteriores a v8.0.23, v8.1.x anteriores a v8.1.19, v8.2.x anteriores a v8.2.15, v8.3.x anteriores a v8.3.9, y v8.4.x anteriores a v8.4.2 no maneja adecuadamente un caracter '/0' en el nombre de dominio en el campo "subject" del Nombre Común (CN) de un certificado X.509, lo que permite (1) a atacantes man-in-the-middle falsificar a conveniencia los servidores PostgreSQL basados en SSL a través de un certificado de servidor manipulado obtenido a través de una autoridad certificadora legitima, y (2)permite a atacantes remotos evitar las restricciones cliente-hostname a través de un certificado manipulado obtenido a través de una autoridad certificadora legitima, un asunto relacionado con CVE-2009-2408.

NULL Bytes in SSL Certificates can be used to falsify client or server authentication. This only affects users who have SSL enabled, perform certificate name validation or client certificate authentication, and where the Certificate Authority (CA) has been tricked into issuing invalid certificates. The use of a CA that can be trusted to always issue valid certificates is recommended to ensure you are not vulnerable to this issue. Privilege escalation via changing session state in an index function. This closes a corner case related to vulnerabilities and CVE-2007-6600. Packages for 2008.0 are being provided due to extended support for Corporate products. This update provides a solution to these vulnerabilities.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2009-11-20 CVE Reserved
  • 2009-12-15 CVE Published
  • 2024-08-07 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-310: Cryptographic Issues
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
7.4.1
Search vendor "Postgresql" for product "Postgresql" and version "7.4.1"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
7.4.2
Search vendor "Postgresql" for product "Postgresql" and version "7.4.2"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
7.4.3
Search vendor "Postgresql" for product "Postgresql" and version "7.4.3"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
7.4.4
Search vendor "Postgresql" for product "Postgresql" and version "7.4.4"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
7.4.5
Search vendor "Postgresql" for product "Postgresql" and version "7.4.5"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
7.4.6
Search vendor "Postgresql" for product "Postgresql" and version "7.4.6"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
7.4.7
Search vendor "Postgresql" for product "Postgresql" and version "7.4.7"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
7.4.8
Search vendor "Postgresql" for product "Postgresql" and version "7.4.8"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
7.4.9
Search vendor "Postgresql" for product "Postgresql" and version "7.4.9"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
7.4.10
Search vendor "Postgresql" for product "Postgresql" and version "7.4.10"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
7.4.11
Search vendor "Postgresql" for product "Postgresql" and version "7.4.11"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
7.4.12
Search vendor "Postgresql" for product "Postgresql" and version "7.4.12"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
7.4.13
Search vendor "Postgresql" for product "Postgresql" and version "7.4.13"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
7.4.14
Search vendor "Postgresql" for product "Postgresql" and version "7.4.14"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
7.4.15
Search vendor "Postgresql" for product "Postgresql" and version "7.4.15"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
7.4.16
Search vendor "Postgresql" for product "Postgresql" and version "7.4.16"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
7.4.17
Search vendor "Postgresql" for product "Postgresql" and version "7.4.17"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
7.4.18
Search vendor "Postgresql" for product "Postgresql" and version "7.4.18"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
7.4.19
Search vendor "Postgresql" for product "Postgresql" and version "7.4.19"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
7.4.20
Search vendor "Postgresql" for product "Postgresql" and version "7.4.20"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
7.4.21
Search vendor "Postgresql" for product "Postgresql" and version "7.4.21"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
7.4.22
Search vendor "Postgresql" for product "Postgresql" and version "7.4.22"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
7.4.23
Search vendor "Postgresql" for product "Postgresql" and version "7.4.23"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
7.4.24
Search vendor "Postgresql" for product "Postgresql" and version "7.4.24"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
7.4.25
Search vendor "Postgresql" for product "Postgresql" and version "7.4.25"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
7.4.26
Search vendor "Postgresql" for product "Postgresql" and version "7.4.26"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.0.0
Search vendor "Postgresql" for product "Postgresql" and version "8.0.0"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.0.1
Search vendor "Postgresql" for product "Postgresql" and version "8.0.1"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.0.2
Search vendor "Postgresql" for product "Postgresql" and version "8.0.2"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.0.3
Search vendor "Postgresql" for product "Postgresql" and version "8.0.3"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.0.4
Search vendor "Postgresql" for product "Postgresql" and version "8.0.4"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.0.5
Search vendor "Postgresql" for product "Postgresql" and version "8.0.5"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.0.6
Search vendor "Postgresql" for product "Postgresql" and version "8.0.6"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.0.7
Search vendor "Postgresql" for product "Postgresql" and version "8.0.7"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.0.8
Search vendor "Postgresql" for product "Postgresql" and version "8.0.8"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.0.9
Search vendor "Postgresql" for product "Postgresql" and version "8.0.9"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.0.10
Search vendor "Postgresql" for product "Postgresql" and version "8.0.10"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.0.11
Search vendor "Postgresql" for product "Postgresql" and version "8.0.11"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.0.12
Search vendor "Postgresql" for product "Postgresql" and version "8.0.12"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.0.13
Search vendor "Postgresql" for product "Postgresql" and version "8.0.13"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.0.14
Search vendor "Postgresql" for product "Postgresql" and version "8.0.14"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.0.15
Search vendor "Postgresql" for product "Postgresql" and version "8.0.15"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.0.16
Search vendor "Postgresql" for product "Postgresql" and version "8.0.16"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.0.17
Search vendor "Postgresql" for product "Postgresql" and version "8.0.17"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.0.18
Search vendor "Postgresql" for product "Postgresql" and version "8.0.18"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.0.19
Search vendor "Postgresql" for product "Postgresql" and version "8.0.19"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.0.20
Search vendor "Postgresql" for product "Postgresql" and version "8.0.20"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.0.21
Search vendor "Postgresql" for product "Postgresql" and version "8.0.21"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.0.22
Search vendor "Postgresql" for product "Postgresql" and version "8.0.22"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.1.0
Search vendor "Postgresql" for product "Postgresql" and version "8.1.0"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.1.1
Search vendor "Postgresql" for product "Postgresql" and version "8.1.1"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.1.2
Search vendor "Postgresql" for product "Postgresql" and version "8.1.2"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.1.3
Search vendor "Postgresql" for product "Postgresql" and version "8.1.3"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.1.4
Search vendor "Postgresql" for product "Postgresql" and version "8.1.4"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.1.5
Search vendor "Postgresql" for product "Postgresql" and version "8.1.5"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.1.6
Search vendor "Postgresql" for product "Postgresql" and version "8.1.6"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.1.7
Search vendor "Postgresql" for product "Postgresql" and version "8.1.7"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.1.8
Search vendor "Postgresql" for product "Postgresql" and version "8.1.8"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.1.9
Search vendor "Postgresql" for product "Postgresql" and version "8.1.9"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.1.10
Search vendor "Postgresql" for product "Postgresql" and version "8.1.10"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.1.11
Search vendor "Postgresql" for product "Postgresql" and version "8.1.11"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.1.12
Search vendor "Postgresql" for product "Postgresql" and version "8.1.12"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.1.13
Search vendor "Postgresql" for product "Postgresql" and version "8.1.13"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.1.14
Search vendor "Postgresql" for product "Postgresql" and version "8.1.14"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.1.15
Search vendor "Postgresql" for product "Postgresql" and version "8.1.15"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.1.16
Search vendor "Postgresql" for product "Postgresql" and version "8.1.16"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.1.17
Search vendor "Postgresql" for product "Postgresql" and version "8.1.17"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.1.18
Search vendor "Postgresql" for product "Postgresql" and version "8.1.18"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.2
Search vendor "Postgresql" for product "Postgresql" and version "8.2"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.2.1
Search vendor "Postgresql" for product "Postgresql" and version "8.2.1"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.2.2
Search vendor "Postgresql" for product "Postgresql" and version "8.2.2"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.2.3
Search vendor "Postgresql" for product "Postgresql" and version "8.2.3"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.2.4
Search vendor "Postgresql" for product "Postgresql" and version "8.2.4"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.2.5
Search vendor "Postgresql" for product "Postgresql" and version "8.2.5"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.2.6
Search vendor "Postgresql" for product "Postgresql" and version "8.2.6"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.2.7
Search vendor "Postgresql" for product "Postgresql" and version "8.2.7"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.2.8
Search vendor "Postgresql" for product "Postgresql" and version "8.2.8"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.2.9
Search vendor "Postgresql" for product "Postgresql" and version "8.2.9"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.2.10
Search vendor "Postgresql" for product "Postgresql" and version "8.2.10"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.2.11
Search vendor "Postgresql" for product "Postgresql" and version "8.2.11"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.2.12
Search vendor "Postgresql" for product "Postgresql" and version "8.2.12"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.2.13
Search vendor "Postgresql" for product "Postgresql" and version "8.2.13"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.2.14
Search vendor "Postgresql" for product "Postgresql" and version "8.2.14"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.3.1
Search vendor "Postgresql" for product "Postgresql" and version "8.3.1"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.3.2
Search vendor "Postgresql" for product "Postgresql" and version "8.3.2"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.3.3
Search vendor "Postgresql" for product "Postgresql" and version "8.3.3"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.3.4
Search vendor "Postgresql" for product "Postgresql" and version "8.3.4"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.3.5
Search vendor "Postgresql" for product "Postgresql" and version "8.3.5"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.3.6
Search vendor "Postgresql" for product "Postgresql" and version "8.3.6"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.3.7
Search vendor "Postgresql" for product "Postgresql" and version "8.3.7"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.3.8
Search vendor "Postgresql" for product "Postgresql" and version "8.3.8"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
8.4.1
Search vendor "Postgresql" for product "Postgresql" and version "8.4.1"
-
Affected