USN-4735-1

Heikki Linnakangas discovered that PostgreSQL incorrectly leaked values of denied columns when handling certain errors. A remote attacker could possibly use this issue to obtain sensitive information.

References

Affected packages

Ubuntu:20.04:LTS / postgresql-12

Package

Name: postgresql-12
Purl: pkg:deb/ubuntu/postgresql-12@12.6-0ubuntu0.20.04.1?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

12.6-0ubuntu0.20.04.1

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

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "12.6-0ubuntu0.20.04.1",
            "binary_name": "libecpg-compat3"
        },
        {
            "binary_version": "12.6-0ubuntu0.20.04.1",
            "binary_name": "libecpg-dev"
        },
        {
            "binary_version": "12.6-0ubuntu0.20.04.1",
            "binary_name": "libecpg6"
        },
        {
            "binary_version": "12.6-0ubuntu0.20.04.1",
            "binary_name": "libpgtypes3"
        },
        {
            "binary_version": "12.6-0ubuntu0.20.04.1",
            "binary_name": "libpq-dev"
        },
        {
            "binary_version": "12.6-0ubuntu0.20.04.1",
            "binary_name": "libpq5"
        },
        {
            "binary_version": "12.6-0ubuntu0.20.04.1",
            "binary_name": "postgresql-12"
        },
        {
            "binary_version": "12.6-0ubuntu0.20.04.1",
            "binary_name": "postgresql-client-12"
        },
        {
            "binary_version": "12.6-0ubuntu0.20.04.1",
            "binary_name": "postgresql-doc-12"
        },
        {
            "binary_version": "12.6-0ubuntu0.20.04.1",
            "binary_name": "postgresql-plperl-12"
        },
        {
            "binary_version": "12.6-0ubuntu0.20.04.1",
            "binary_name": "postgresql-plpython3-12"
        },
        {
            "binary_version": "12.6-0ubuntu0.20.04.1",
            "binary_name": "postgresql-pltcl-12"
        },
        {
            "binary_version": "12.6-0ubuntu0.20.04.1",
            "binary_name": "postgresql-server-dev-12"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2021-3393"
        }
    ]
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4735-1.json"