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.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_name": "libecpg-compat3", "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4" }, { "binary_name": "libecpg-dev", "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4" }, { "binary_name": "libecpg6", "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4" }, { "binary_name": "libpgtypes3", "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4" }, { "binary_name": "libpq-dev", "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4" }, { "binary_name": "libpq5", "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4" }, { "binary_name": "postgresql-9.5", "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4" }, { "binary_name": "postgresql-client-9.5", "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4" }, { "binary_name": "postgresql-contrib-9.5", "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4" }, { "binary_name": "postgresql-doc-9.5", "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4" }, { "binary_name": "postgresql-plperl-9.5", "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4" }, { "binary_name": "postgresql-plpython-9.5", "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4" }, { "binary_name": "postgresql-plpython3-9.5", "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4" }, { "binary_name": "postgresql-pltcl-9.5", "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4" }, { "binary_name": "postgresql-server-dev-9.5", "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4" } ] }
{ "cves_map": { "ecosystem": "Ubuntu:Pro:16.04:LTS", "cves": [ { "severity": [ { "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "type": "CVSS_V3" }, { "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2023-2454" } ] } }