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

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CVE-2007-6067

Severity CVSS v4.0:
Pending analysis
Type:
CWE-189 Numeric Errors
Publication date:
09/01/2008
Last modified:
09/04/2025

Description

Algorithmic complexity vulnerability in the regular expression parser in TCL before 8.4.17, as used in PostgreSQL 8.2 before 8.2.6, 8.1 before 8.1.11, 8.0 before 8.0.15, and 7.4 before 7.4.19, allows remote authenticated users to cause a denial of service (memory consumption) via a crafted "complex" regular expression with doubly-nested states.

Impact

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

Base Score: 6.80 MEDIUM
Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): Single
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0
6.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:postgresql:postgresql:7.3:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:7.3.1:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:7.3.2:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:7.3.3:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:7.3.4:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:7.3.6:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:7.3.8:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:7.3.9:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:7.3.10:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:7.3.11:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:7.3.12:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:7.3.13:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:7.3.14:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:7.3.15:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:7.3.16:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools