Permissions, Privileges, and Access Controls in PostgreSQL

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU111766

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 - Permissions, Privileges, and Access Controls

Exploit availability: No

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 - 9.0.0

CPE2.3

• cpe:2.3:a:postgresql_global_development_group:postgresql:7.4:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql_global_development_group:postgresql:*:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql_global_development_group:postgresql:7.4.2:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql_global_development_group:postgresql:7.4.3:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql_global_development_group:postgresql:7.4.4:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql_global_development_group:postgresql:7.4.6:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql_global_development_group:postgresql:7.4.7:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql_global_development_group:postgresql:7.4.8:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql_global_development_group:postgresql:7.4.9:*:*:*:*:*:*:*

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

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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