usn-4282-1
Vulnerability from osv_ubuntu
Published
2020-02-18 12:40
Modified
2026-04-22 07:36
Summary
postgresql-10, postgresql-11 vulnerability
Details

It was discovered that PostgreSQL incorrectly performed authorization checks when handling the "ALTER ... DEPENDS ON EXTENSION" sub-commands. A remote attacker could possibly use this issue to drop any function, procedure, materialized view, index, or trigger under certain conditions.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2020-1720",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libecpg-compat3",
            "binary_version": "10.12-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "libecpg6",
            "binary_version": "10.12-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "libpgtypes3",
            "binary_version": "10.12-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "libpq5",
            "binary_version": "10.12-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "postgresql-10",
            "binary_version": "10.12-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "postgresql-client-10",
            "binary_version": "10.12-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "postgresql-doc-10",
            "binary_version": "10.12-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "postgresql-plperl-10",
            "binary_version": "10.12-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "postgresql-plpython-10",
            "binary_version": "10.12-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "postgresql-plpython3-10",
            "binary_version": "10.12-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "postgresql-pltcl-10",
            "binary_version": "10.12-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "postgresql-server-dev-10",
            "binary_version": "10.12-0ubuntu0.18.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "postgresql-10",
        "purl": "pkg:deb/ubuntu/postgresql-10@10.12-0ubuntu0.18.04.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "10.12-0ubuntu0.18.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "10.1-1",
        "10.1-2",
        "10.2-1",
        "10.3-1",
        "10.4-0ubuntu0.18.04",
        "10.5-0ubuntu0.18.04",
        "10.6-0ubuntu0.18.04.1",
        "10.7-0ubuntu0.18.04.1",
        "10.8-0ubuntu0.18.04.1",
        "10.9-0ubuntu0.18.04.1",
        "10.10-0ubuntu0.18.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that PostgreSQL incorrectly performed authorization\nchecks when handling the \"ALTER ... DEPENDS ON EXTENSION\" sub-commands. A\nremote attacker could possibly use this issue to drop any function,\nprocedure, materialized view, index, or trigger under certain conditions.\n",
  "id": "USN-4282-1",
  "modified": "2026-04-22T07:36:38Z",
  "published": "2020-02-18T12:40:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4282-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-1720"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "postgresql-10, postgresql-11 vulnerability",
  "upstream": [
    "UBUNTU-CVE-2020-1720"
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.