Security advisory

{
  "id": "fdba0c46c4e06de008724c944902f828bd8bc585262ccc21e7768ba81d8724c0",
  "url": "https://osv.dev/vulnerability/CVE-2016-7145",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2016-7145",
    "summary": "The m_authenticate function in ircd/m_authenticate.c in nefarious2 allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted AUTHENTICATE parameter.",
    "evidence": "osv:CVE-2016-7145",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2016-7145",
      "aliases": [
        "CVE-2016-7145"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/evilnet/nefarious2",
              "type": "GIT",
              "events": [
                {
                  "introduced": "f855aa038373e729951e231d5f4686f80fa85ea3"
                },
                {
                  "last_affected": "f855aa038373e729951e231d5f4686f80fa85ea3"
                },
                {
                  "fixed": "f50a84bad996d438e7b31b9e74c32a41e43f8be5"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:nefarious2_project:nefarious2:2.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.0"
                      },
                      {
                        "last_affected": "2.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "f50a84bad996d438e7b31b9e74c32a41e43f8be5"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-7145.json",
            "vanir_signatures": [
              {
                "id": "CVE-2016-7145-0f9b3c52",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "208219062012484996038940404366384603947",
                    "299618839438130165430991380132426443493",
                    "124370160900145148647823051765555358915",
                    "275687911345838898870057827048678759284",
                    "38238402662959267275467063390000386254",
                    "111013074550324480469116551169964853644",
                    "334510704401903841769322909532342299666",
                    "256792836499928675302235018837842196977"
                  ]
                },
                "source": "https://github.com/evilnet/nefarious2/commit/f50a84bad996d438e7b31b9e74c32a41e43f8be5",
                "target": {
                  "file": "ircd/m_authenticate.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2016-7145-b149c8f1",
                "digest": {
                  "length": 2687,
                  "function_hash": "16296848066876065388828299164195817332"
                },
                "source": "https://github.com/evilnet/nefarious2/commit/f50a84bad996d438e7b31b9e74c32a41e43f8be5",
                "target": {
                  "file": "ircd/m_authenticate.c",
                  "function": "m_authenticate"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:16:39Z"
          }
        }
      ],
      "modified": "2026-10-20T13:16:39.028568970Z",
      "provider": "osv",
      "references": [
        "https://github.com/evilnet/nefarious2/commit/f50a84bad996d438e7b31b9e74c32a41e43f8be5"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2016-7145",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387441,
  "published_at": "2017-03-07T15:59:00.36+00:00"
}