Vulnerability Report

CVE-2009-4136

Title: Postgresql Auth Bypass

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2009-4136.

CWE Category NVD-CWE-noinfo

Published Date Dec 15, 2009

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 6.5 CVSS v2.0

Exploit Probability (EPSS)

3.64%

Vulnerability Summary

CVE-2009-4136: 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 manage session-local state during execution of an index function by a database superuser, which allows remote authenticated users to gain privileges via a table with crafted index functions, as demonstrated by functions that modify (1) search_path or (2) a prepared statement, a related issue to CVE-2007-6600 and CVE-2009-3230.

Impacted Vendors

postgresql 1

anynines 1

Reference Links

http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00007.html http://marc.info/?l=bugtraq&m=134124585221119&w=2 http://osvdb.org/61039 http://secunia.com/advisories/37663 http://secunia.com/advisories/39820 http://wiki.rpath.com/wiki/Advisories:rPSA-2010-0012 http://www.mandriva.com/security/advisories?name=MDVSA-2009:333 http://www.postgresql.org/docs/current/static/release-7-4-27.html http://www.postgresql.org/docs/current/static/release-8-0-23.html http://www.postgresql.org/docs/current/static/release-8-1-19.html http://www.postgresql.org/docs/current/static/release-8-2-15.html http://www.postgresql.org/docs/current/static/release-8-3-9.html http://www.postgresql.org/docs/current/static/release-8-4-2.html http://www.postgresql.org/support/security.html http://www.redhat.com/support/errata/RHSA-2010-0427.html http://www.redhat.com/support/errata/RHSA-2010-0428.html http://www.redhat.com/support/errata/RHSA-2010-0429.html http://www.securityfocus.com/archive/1/509917/100/0/threaded http://www.securityfocus.com/bid/37333 http://www.securitytracker.com/id?1023326 http://www.vupen.com/english/advisories/2009/3519 http://www.vupen.com/english/advisories/2010/1197 https://bugzilla.redhat.com/show_bug.cgi?id=546321 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9358 https://www.redhat.com/archives/fedora-package-announce/2009-December/msg01035.html https://www.redhat.com/archives/fedora-package-announce/2009-December/msg01056.html http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00007.html http://marc.info/?l=bugtraq&m=134124585221119&w=2 http://osvdb.org/61039 http://secunia.com/advisories/37663 http://secunia.com/advisories/39820 http://wiki.rpath.com/wiki/Advisories:rPSA-2010-0012 http://www.mandriva.com/security/advisories?name=MDVSA-2009:333 http://www.postgresql.org/docs/current/static/release-7-4-27.html http://www.postgresql.org/docs/current/static/release-8-0-23.html http://www.postgresql.org/docs/current/static/release-8-1-19.html http://www.postgresql.org/docs/current/static/release-8-2-15.html http://www.postgresql.org/docs/current/static/release-8-3-9.html http://www.postgresql.org/docs/current/static/release-8-4-2.html http://www.postgresql.org/support/security.html http://www.redhat.com/support/errata/RHSA-2010-0427.html http://www.redhat.com/support/errata/RHSA-2010-0428.html http://www.redhat.com/support/errata/RHSA-2010-0429.html http://www.securityfocus.com/archive/1/509917/100/0/threaded http://www.securityfocus.com/bid/37333 http://www.securitytracker.com/id?1023326 http://www.vupen.com/english/advisories/2009/3519 http://www.vupen.com/english/advisories/2010/1197 https://bugzilla.redhat.com/show_bug.cgi?id=546321 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9358 https://www.redhat.com/archives/fedora-package-announce/2009-December/msg01035.html https://www.redhat.com/archives/fedora-package-announce/2009-December/msg01056.html

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

6.5

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:S/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2009-4136 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 09, 2025 MODIFIED

Vulnerability data or affected products updated.

December 15, 2009 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected Stack

No specific products linked.