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