ubuntu-cve-2018-16850
Vulnerability from osv_ubuntu
Published
2018-11-08 00:00
Modified
2026-04-22 07:38
Summary
Details

postgresql before versions 11.1, 10.6 is vulnerable to a to SQL injection in pg_upgrade and pg_dump via CREATE TRIGGER ... REFERENCING. Using a purpose-crafted trigger definition, an attacker can cause arbitrary SQL statements to run, with superuser privileges.

Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.0 (High)
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
9.8 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libecpg-compat3",
            "binary_version": "10.6-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "libecpg6",
            "binary_version": "10.6-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "libpgtypes3",
            "binary_version": "10.6-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "libpq5",
            "binary_version": "10.6-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "postgresql-10",
            "binary_version": "10.6-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "postgresql-client-10",
            "binary_version": "10.6-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "postgresql-doc-10",
            "binary_version": "10.6-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "postgresql-plperl-10",
            "binary_version": "10.6-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "postgresql-plpython-10",
            "binary_version": "10.6-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "postgresql-plpython3-10",
            "binary_version": "10.6-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "postgresql-pltcl-10",
            "binary_version": "10.6-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "postgresql-server-dev-10",
            "binary_version": "10.6-0ubuntu0.18.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "postgresql-10",
        "purl": "pkg:deb/ubuntu/postgresql-10@10.6-0ubuntu0.18.04.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "10.6-0ubuntu0.18.04.1"
            }
          ],
          "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"
      ]
    }
  ],
  "aliases": [],
  "details": "postgresql before versions 11.1, 10.6 is vulnerable to a to SQL injection in pg_upgrade and pg_dump via CREATE TRIGGER ... REFERENCING. Using a purpose-crafted trigger definition, an attacker can cause arbitrary SQL statements to run, with superuser privileges.",
  "id": "UBUNTU-CVE-2018-16850",
  "modified": "2026-04-22T07:38:43Z",
  "published": "2018-11-08T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-16850"
    },
    {
      "type": "REPORT",
      "url": "https://www.postgresql.org/about/news/1905/"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3818-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2018-16850"
    }
  ],
  "related": [
    "USN-3818-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2018-16850"
  ]
}



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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • 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.