Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2009-4034

Severity CVSS v4.0:
Pending analysis
Type:
CWE-310 Cryptographic Issues
Publication date:
15/12/2009
Last modified:
09/04/2025

Description

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

Vector 2.0
AV:N/AC:M/Au:N/C:N/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): None
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
5.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:postgresql:postgresql:7.4.1:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:7.4.2:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:7.4.3:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:7.4.4:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:7.4.5:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:7.4.6:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:7.4.7:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:7.4.8:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:7.4.9:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:7.4.10:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:7.4.11:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:7.4.12:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:7.4.13:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:7.4.14:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:7.4.15:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools