#VU111766 Permissions, Privileges, and Access Controls in PostgreSQL - CVE-2010-3433

Vulnerability identifier: #VU111766

Vulnerability risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2010-3433

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 user to read and manipulate data.

The PL/perl and PL/Tcl implementations in PostgreSQL 7.4 before 7.4.30, 8.0 before 8.0.26, 8.1 before 8.1.22, 8.2 before 8.2.18, 8.3 before 8.3.12, 8.4 before 8.4.5, and 9.0 before 9.0.1 do not properly protect script execution by a different SQL user identity within the same session, which allows remote authenticated users to gain privileges via crafted script code in a SECURITY DEFINER function, as demonstrated by (1) redefining standard functions or (2) redefining operators, a different vulnerability than CVE-2010-1168, CVE-2010-1169, CVE-2010-1170, and CVE-2010-1447.

Mitigation
Install update from vendor's website.

Vulnerable software versions

PostgreSQL: 7.4, 7.4.1 - 7.4.19, 7.4.2, 7.4.3, 7.4.4, 7.4.5 - 8.1.1, 7.4.6, 7.4.7, 7.4.8, 7.4.9, 7.4.10 - 8.3.9, 7.4.11 - 9.0.0, 7.4.12, 7.4.13, 7.4.14, 7.4.15, 7.4.16, 7.4.20, 7.4.21, 7.4.22, 7.4.23, 7.4.24, 7.4.25, 7.4.26, 7.4.27, 7.4.28, 7.4.29, 8.0, 8.0.0, 8.0.1, 8.0.2, 8.0.3, 8.0.4, 8.0.5, 8.0.6, 8.0.7, 8.0.8, 8.0.9, 8.0.10, 8.0.11, 8.0.12, 8.0.13, 8.0.14, 8.0.15, 8.0.16, 8.0.17, 8.0.18, 8.1.2, 8.1.3, 8.1.4, 8.1.5, 8.1.6, 8.1.7, 8.1.8, 8.1.9, 8.1.10, 8.1.11, 8.1.12, 8.1.13, 8.1.14, 8.1.15, 8.1.16, 8.1.17, 8.1.18, 8.1.19, 8.1.20, 8.1.21, 8.2, 8.2.0, 8.2.1, 8.2.2, 8.2.3, 8.2.4, 8.2.5, 8.2.6, 8.2.7, 8.2.8, 8.2.9, 8.2.10, 8.2.11, 8.2.12, 8.2.13, 8.2.14, 8.2.15, 8.2.16, 8.2.17, 8.3

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External links
https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
https://lists.fedoraproject.org/pipermail/package-announce/2010-October/049591.html
https://lists.fedoraproject.org/pipermail/package-announce/2010-October/049592.html
https://lists.opensuse.org/opensuse-security-announce/2010-10/msg00006.html
https://lists.opensuse.org/opensuse-security-announce/2010-11/msg00001.html
https://marc.info/?l=bugtraq&m=134124585221119&w=2
https://secunia.com/advisories/42325
https://www.debian.org/security/2010/dsa-2120
https://www.mandriva.com/security/advisories?name=MDVSA-2010:197
https://www.postgresql.org/about/news.1244
https://www.postgresql.org/docs/9.0/static/release-9-0-1.html
https://www.redhat.com/support/errata/RHSA-2010-0742.html
https://www.redhat.com/support/errata/RHSA-2010-0908.html
https://www.securityfocus.com/bid/43747
https://www.ubuntu.com/usn/USN-1002-1
https://www.ubuntu.com/usn/USN-1002-2
https://www.vupen.com/english/advisories/2010/3051
https://bugzilla.redhat.com/show_bug.cgi?id=639371
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7291

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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