USN-6296-1

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Source
https://ubuntu.com/security/notices/USN-6296-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6296-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-6296-1
Upstream
  • UBUNTU-CVE-2023-39418
Related
Published
2023-08-17T11:56:22.663447Z
Modified
2025-10-13T04:36:33Z
Summary
postgresql-12, postgresql-14, postgresql-15 vulnerabilities
Details

It was discovered that PostgreSQL incorrectly handled certain extension script substitutions. An attacker having database-level CREATE privileges can use this issue to execute arbitrary code as the bootstrap superuser. (CVE-2023-39417)

It was discovered that PostgreSQL incorrectly handled the MERGE command. A remote attacker could possibly use this issue to bypass certain UPDATE and SELECT policies. This issue only affected Ubuntu 23.04. (CVE-2023-39418)

References

Affected packages

Ubuntu:20.04:LTS / postgresql-12

Package

Name
postgresql-12
Purl
pkg:deb/ubuntu/postgresql-12@12.16-0ubuntu0.20.04.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
12.16-0ubuntu0.20.04.1

Affected versions

12.*

12.0-1
12.1-1
12.1-2build1
12.2-1
12.2-1ubuntu2
12.2-4
12.4-0ubuntu0.20.04.1
12.5-0ubuntu0.20.04.1
12.6-0ubuntu0.20.04.1
12.7-0ubuntu0.20.04.1
12.8-0ubuntu0.20.04.1
12.9-0ubuntu0.20.04.1
12.10-0ubuntu0.20.04.1
12.11-0ubuntu0.20.04.1
12.12-0ubuntu0.20.04.1
12.13-0ubuntu0.20.04.1
12.14-0ubuntu0.20.04.1
12.15-0ubuntu0.20.04.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "12.16-0ubuntu0.20.04.1",
            "binary_name": "libecpg-compat3"
        },
        {
            "binary_version": "12.16-0ubuntu0.20.04.1",
            "binary_name": "libecpg-dev"
        },
        {
            "binary_version": "12.16-0ubuntu0.20.04.1",
            "binary_name": "libecpg6"
        },
        {
            "binary_version": "12.16-0ubuntu0.20.04.1",
            "binary_name": "libpgtypes3"
        },
        {
            "binary_version": "12.16-0ubuntu0.20.04.1",
            "binary_name": "libpq-dev"
        },
        {
            "binary_version": "12.16-0ubuntu0.20.04.1",
            "binary_name": "libpq5"
        },
        {
            "binary_version": "12.16-0ubuntu0.20.04.1",
            "binary_name": "postgresql-12"
        },
        {
            "binary_version": "12.16-0ubuntu0.20.04.1",
            "binary_name": "postgresql-client-12"
        },
        {
            "binary_version": "12.16-0ubuntu0.20.04.1",
            "binary_name": "postgresql-doc-12"
        },
        {
            "binary_version": "12.16-0ubuntu0.20.04.1",
            "binary_name": "postgresql-plperl-12"
        },
        {
            "binary_version": "12.16-0ubuntu0.20.04.1",
            "binary_name": "postgresql-plpython3-12"
        },
        {
            "binary_version": "12.16-0ubuntu0.20.04.1",
            "binary_name": "postgresql-pltcl-12"
        },
        {
            "binary_version": "12.16-0ubuntu0.20.04.1",
            "binary_name": "postgresql-server-dev-12"
        }
    ]
}

Database specific 

{
    "cves_map": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "cves": [
            {
                "id": "CVE-2023-39417",
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ]
            }
        ]
    }
}

Ubuntu:22.04:LTS / postgresql-14

Package

Name
postgresql-14
Purl
pkg:deb/ubuntu/postgresql-14@14.9-0ubuntu0.22.04.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
14.9-0ubuntu0.22.04.1

Affected versions

14.*

14.1-1ubuntu1
14.2-1
14.2-1ubuntu1
14.3-0ubuntu0.22.04.1
14.4-0ubuntu0.22.04.1
14.5-0ubuntu0.22.04.1
14.6-0ubuntu0.22.04.1
14.7-0ubuntu0.22.04.1
14.8-0ubuntu0.22.04.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "14.9-0ubuntu0.22.04.1",
            "binary_name": "libecpg-compat3"
        },
        {
            "binary_version": "14.9-0ubuntu0.22.04.1",
            "binary_name": "libecpg-dev"
        },
        {
            "binary_version": "14.9-0ubuntu0.22.04.1",
            "binary_name": "libecpg6"
        },
        {
            "binary_version": "14.9-0ubuntu0.22.04.1",
            "binary_name": "libpgtypes3"
        },
        {
            "binary_version": "14.9-0ubuntu0.22.04.1",
            "binary_name": "libpq-dev"
        },
        {
            "binary_version": "14.9-0ubuntu0.22.04.1",
            "binary_name": "libpq5"
        },
        {
            "binary_version": "14.9-0ubuntu0.22.04.1",
            "binary_name": "postgresql-14"
        },
        {
            "binary_version": "14.9-0ubuntu0.22.04.1",
            "binary_name": "postgresql-client-14"
        },
        {
            "binary_version": "14.9-0ubuntu0.22.04.1",
            "binary_name": "postgresql-doc-14"
        },
        {
            "binary_version": "14.9-0ubuntu0.22.04.1",
            "binary_name": "postgresql-plperl-14"
        },
        {
            "binary_version": "14.9-0ubuntu0.22.04.1",
            "binary_name": "postgresql-plpython3-14"
        },
        {
            "binary_version": "14.9-0ubuntu0.22.04.1",
            "binary_name": "postgresql-pltcl-14"
        },
        {
            "binary_version": "14.9-0ubuntu0.22.04.1",
            "binary_name": "postgresql-server-dev-14"
        }
    ]
}

Database specific 

{
    "cves_map": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "cves": [
            {
                "id": "CVE-2023-39417",
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ]
            }
        ]
    }
}