opendkim — security advisory

{
  "id": "abfad0b6e71ef644060360395d9b00ccd0c8d6c408c24f405ca7cfcc034b054a",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2020-35766",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2020-35766",
    "summary": "The test suite in libopendkim in OpenDKIM through 2.10.3 allows local users to gain privileges via a symlink attack against the /tmp/testkeys file (related to t-testdata.h, t-setup.c, and t-cleanup.c). NOTE: this is applicable to persons who choose to engage in the \"A number of self-test programs are included here for unit-testing the library\" situation.",
    "evidence": "osv:DEBIAN-CVE-2020-35766",
    "products": [
      {
        "name": {
          "value": "opendkim",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "2.11.0~beta2-8",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.11.0~beta2-8+deb12u1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.11.0~beta2-9",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.11.0~beta2-9.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.11.0~beta2-9.2",
            "evidence": "/affected/0/versions"
          }
        ]
      },
      {
        "name": {
          "value": "opendkim",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "2.11.0~beta2-9.1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "2.11.0~beta2-9.2",
            "evidence": "/affected/1/versions"
          }
        ]
      },
      {
        "name": {
          "value": "opendkim",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "2.11.0~beta2-9.1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "2.11.0~beta2-9.2",
            "evidence": "/affected/2/versions"
          }
        ]
      }
    ],
    "severity": "high",
    "structured": {
      "id": "DEBIAN-CVE-2020-35766",
      "aliases": [
        "DEBIAN-CVE-2020-35766"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "opendkim",
            "purl": "pkg:deb/debian/opendkim?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "versions": [
            "2.11.0~beta2-8",
            "2.11.0~beta2-8+deb12u1",
            "2.11.0~beta2-9",
            "2.11.0~beta2-9.1",
            "2.11.0~beta2-9.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-35766.json"
          },
          "ecosystem_specific": {
            "urgency": "unimportant"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "opendkim",
            "purl": "pkg:deb/debian/opendkim?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "versions": [
            "2.11.0~beta2-9.1",
            "2.11.0~beta2-9.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-35766.json"
          },
          "ecosystem_specific": {
            "urgency": "unimportant"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "opendkim",
            "purl": "pkg:deb/debian/opendkim?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "versions": [
            "2.11.0~beta2-9.1",
            "2.11.0~beta2-9.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-35766.json"
          },
          "ecosystem_specific": {
            "urgency": "unimportant"
          }
        }
      ],
      "modified": "2026-10-26T12:00:40.249793707Z",
      "provider": "osv",
      "upstream": [
        "CVE-2020-35766"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2020-35766"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2020-35766",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 451261,
  "published_at": "2020-12-28T20:15:13.26+00:00"
}