Vulnerability identifier: #VU43839

Vulnerability risk: Low

CVSSv3.1: 3 [CVSS:3.1/AV:N/AC:L/PR:/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2012-0866

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PostgreSQL
Server applications / Database software

Vendor: PostgreSQL Global Development Group

Description

The vulnerability allows a remote #AU# to read and manipulate data.

CREATE TRIGGER in PostgreSQL 8.3.x before 8.3.18, 8.4.x before 8.4.11, 9.0.x before 9.0.7, and 9.1.x before 9.1.3 does not properly check the execute permission for trigger functions marked SECURITY DEFINER, which allows remote authenticated users to execute otherwise restricted triggers on arbitrary data by installing the trigger on an attacker-owned table.

Mitigation
Install update from vendor's website.

Vulnerable software versions

PostgreSQL: 8.3 - 8.3.17, 8.4 - 8.4.10, 9.0 - 9.0.6, 9.1 - 9.1.2

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External links
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
http://lists.opensuse.org/opensuse-updates/2012-09/msg00060.html
http://rhn.redhat.com/errata/RHSA-2012-0677.html
http://rhn.redhat.com/errata/RHSA-2012-0678.html
http://secunia.com/advisories/49272
http://secunia.com/advisories/49273
http://www.debian.org/security/2012/dsa-2418
http://www.mandriva.com/security/advisories?name=MDVSA-2012:026
http://www.mandriva.com/security/advisories?name=MDVSA-2012:027
http://www.mandriva.com/security/advisories?name=MDVSA-2012:092
http://www.postgresql.org/about/news/1377/
http://www.postgresql.org/docs/8.3/static/release-8-3-18.html
http://www.postgresql.org/docs/8.4/static/release-8-4-11.html
http://www.postgresql.org/docs/9.0/static/release-9-0-7.html
http://www.postgresql.org/docs/9.1/static/release-9-1-3.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.