Ubuntu update for postgresql-10

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU63126

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

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

External links

http://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.