Ubuntu update for postgresql-10

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU63126

Risk: Medium

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

CVE-ID: CVE-2022-1552

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote user to bypass implemented security restrictions.

The vulnerability exists due to incorrectly imposed security restrictions in Autovacuum, REINDEX, CREATE INDEX, REFRESH MATERIALIZED VIEW, CLUSTER, and pg_amcheck. A remote authenticated user with permission to create non-temp objects can execute arbitrary SQL functions under a superuser identity and escalate privileges within the application.

Mitigation

Update the affected package postgresql-10 to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 22.04

postgresql-12 (Ubuntu package): before 12.11-0ubuntu0.20.04.1

postgresql-13 (Ubuntu package): before 13.7-0ubuntu0.21.10.1

postgresql-14 (Ubuntu package): before 14.3-0ubuntu0.22.04.1

postgresql-10 (Ubuntu package): before 10.21-0ubuntu0.18.04.1

CPE2.3

• cpe:2.3:o:canonical:ubuntu:18.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:20.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:21.10:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:22.04:*:*:*:*:*:*:*
• cpe:2.3:a:canonical:postgresql-12_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:postgresql-13_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:postgresql-14_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:postgresql-10_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

https://ubuntu.com/security/notices/USN-5440-1

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.