USN-6104-1: PostgreSQL vulnerabilities

Severity

Medium

Vendor

Canonical Ubuntu

Description

Alexander Lakhin discovered that PostgreSQL incorrectly handled certain CREATE privileges. An authenticated user could possibly use this issue to execute arbitrary code as the bootstrap supervisor. (CVE-2023-2454) Wolfgang Walther discovered that PostgreSQL incorrectly handled certain row security policies. An authenticated user could possibly use this issue to complete otherwise forbidden reads and modifications. (CVE-2023-2455) Update Instructions: Run `sudo pro fix USN-6104-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: postgresql-server-dev-10 – 10.23-0ubuntu0.18.04.2 postgresql-10 – 10.23-0ubuntu0.18.04.2 libecpg6 – 10.23-0ubuntu0.18.04.2 libpq5 – 10.23-0ubuntu0.18.04.2 libpgtypes3 – 10.23-0ubuntu0.18.04.2 postgresql-pltcl-10 – 10.23-0ubuntu0.18.04.2 postgresql-plperl-10 – 10.23-0ubuntu0.18.04.2 libecpg-dev – 10.23-0ubuntu0.18.04.2 postgresql-plpython3-10 – 10.23-0ubuntu0.18.04.2 libpq-dev – 10.23-0ubuntu0.18.04.2 postgresql-plpython-10 – 10.23-0ubuntu0.18.04.2 postgresql-doc-10 – 10.23-0ubuntu0.18.04.2 postgresql-client-10 – 10.23-0ubuntu0.18.04.2 libecpg-compat3 – 10.23-0ubuntu0.18.04.2 No subscription required

CVEs contained in this USN include: CVE-2023-2454, CVE-2023-2455.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• cflinuxfs3
  • All versions prior to 0.369.0
• cflinuxfs4
  • All versions prior to 1.12.0
• CF Deployment
  • All versions prior to 30.1.0

Mitigation

Users of affected products are strongly encouraged to follow the mitigations below. The Cloud Foundry project recommends upgrading the following releases:

• cflinuxfs3
  • Upgrade all versions to 0.369.0 or greater
• cflinuxfs4
  • Upgrade all versions to 1.12.0 or greater
• CF Deployment
  • Upgrade all versions to 30.1.0 or greater

History

2023-06-30: Initial vulnerability report published.