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

0 Unknown 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_name":  "libecpg-compat3",
            "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":  "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",
            "binary_version":  "12.6-0ubuntu0.20.04.1"
        }
    ]
}

Database specific

cves_map

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

source

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