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National Cyber-Alert System

Vulnerability Summary for CVE-2009-0922

Original release date:03/17/2009
Last revised:11/30/2010
Source: US-CERT/NIST

Overview

PostgreSQL before 8.3.7, 8.2.13, 8.1.17, 8.0.21, and 7.4.25 allows remote authenticated users to cause a denial of service (stack consumption and crash) by triggering a failure in the conversion of a localized error message to a client-specified encoding, as demonstrated using mismatched encoding conversion requests.

Description

Per: https://bugzilla.redhat.com/show_bug.cgi?id=488156 "PostgreSQL allows remote authenticated users to cause a momentary denial of service (crash due to stack consumption) when there is a failure to convert a localized error message to the client-specified encoding. In releases 8.3.6, 8.2.12, 8.1.16. 8.0.20, and 7.4.24, a trivial misconfiguration is sufficient to provoke a crash. In older releases it is necessary to select a locale and client encoding for which specific messages fail to translate, and so a given installation may or may not be vulnerable depending on the administrator-determined locale setting. Releases 8.3.7, 8.2.13, 8.1.17, 8.0.21, and 7.4.25 are secure against all known variants of this issue."

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:4.0 (MEDIUM) (AV:N/AC:L/Au:S/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Required to exploit
Impact Type:Allows disruption of serviceUnknown

Vendor Statements (disclaimer)

Official Statement from Red Hat (10/08/2009)
This issue has been addressed in Red Hat Enterprise Linux 4 and 5 via: https://rhn.redhat.com/errata/RHSA-2009-1484.html and in Red Hat Application Stack v2 via: https://rhn.redhat.com/errata/RHSA-2009-1067.html

References to Advisories, Solutions, and Tools

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External Source: VUPEN
Name: ADV-2009-1316
Type: Advisory; Patch Information
External Source: VUPEN
Name: ADV-2009-0767
Type: Advisory; Patch Information
External Source: BID
Name: 34090
Type: Patch Information; Exploit
External Source: CONFIRM
Name: http://www.postgresql.org/about/news.1065
Type: Advisory; Patch Information
External Source: FEDORA
Name: FEDORA-2009-2959
External Source: FEDORA
Name: FEDORA-2009-2927
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=488156
External Source: SECTRACK
Name: 1021860
External Source: BUGTRAQ
Name: 20090519 rPSA-2009-0086-1 postgresql postgresql-contrib postgresql-server
External Source: REDHAT
Name: RHSA-2009:1067
External Source: MLIST
Name: [oss-security] 20090311 CVE request -- postgresql
External Source: MANDRIVA
Name: MDVSA-2009:079
External Source: CONFIRM
Name: http://wiki.rpath.com/Advisories:rPSA-2009-0086
External Source: SUNALERT
Name: 1020455
External Source: SUNALERT
Name: 258808
External Source: SECUNIA
Name: 35100
Type: Advisory
External Source: SECUNIA
Name: 34453
Type: Advisory
External Source: OVAL
Name: oval:org.mitre.oval:def:6252
External Source: OVAL
Name: oval:org.mitre.oval:def:10874
External Source: SUSE
Name: SUSE-SR:2009:009
External Source: CONFIRM
Name: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=517405
External Source: MLIST
Name: [pgsql-bugs] 20090227 BUG #4680: Server crashed if using wrong (mismatch) conversion functions
External Source: MLIST
Name: [pgsql-bugs] 20090227 Re: BUG #4680: Server crashed if using wrong (mismatch) conversion functions

References to Check Content

Identifier:oval:org.mitre.oval:def:10874
Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5
Identifier:oval:org.mitre.oval:def:6252
Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5

Vulnerable software and versions

Nav control imageConfiguration 1
spacerNav control imageOR
spacerspacerNav control image* cpe:/a:postgresql:postgresql:8.3.6
spacerspacerNav control image* cpe:/a:postgresql:postgresql:8.2.12
spacerspacerNav control image* cpe:/a:postgresql:postgresql:8.1.16
spacerspacerNav control image* cpe:/a:postgresql:postgresql:8.0.20
spacerspacerNav control image* cpe:/a:postgresql:postgresql:7.4.24
* Denotes Vulnerable Software

Technical Details

Vulnerability Type (View All)
  • Resource Management Errors (CWE-399)