Security advisory

{
  "id": "2d91a0a5fa56dab625a62ede96d0aa5eed93992dec7cb2a703e386894c7d78f8",
  "url": "https://osv.dev/vulnerability/CVE-2016-8641",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2016-8641",
    "summary": "A privilege escalation vulnerability was found in nagios 4.2.x that occurs in daemon-init.in when creating necessary files and insecurely changing the ownership afterwards. It's possible for the local attacker to create symbolic links before the files are to be created and possibly escalating the privileges with the ownership change.",
    "evidence": "osv:CVE-2016-8641",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2016-8641",
      "aliases": [
        "CVE-2016-8641"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/nagiosenterprises/nagioscore",
              "type": "GIT",
              "events": [
                {
                  "introduced": "b9751c21db79353ab95d6d4401b129a048657281"
                },
                {
                  "last_affected": "2f96de4aa8ae15a97f5394a636437dbab419bf80"
                },
                {
                  "fixed": "f2ed227673d3b2da643eb5cad26b2d87674f28c1"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:nagios:nagios:4.2.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.2.0"
                      },
                      {
                        "last_affected": "4.2.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:nagios:nagios:4.2.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.2.1"
                      },
                      {
                        "last_affected": "4.2.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:nagios:nagios:4.2.3:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.2.3"
                      },
                      {
                        "last_affected": "4.2.3"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:nagios:nagios:4.2.2:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.2.2"
                      },
                      {
                        "last_affected": "4.2.2"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "f2ed227673d3b2da643eb5cad26b2d87674f28c1"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.2.0",
            "4.2.1",
            "4.2.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-8641.json"
          }
        }
      ],
      "modified": "2026-10-20T10:47:31.052404051Z",
      "provider": "osv",
      "references": [
        "https://security.gentoo.org/glsa/201702-26",
        "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8641",
        "https://github.com/NagiosEnterprises/nagioscore/commit/f2ed227673d3b2da643eb5cad26b2d87674f28c1.patch",
        "https://www.exploit-db.com/exploits/40774/"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2016-8641",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 379451,
  "published_at": "2018-08-01T14:29:00.253+00:00"
}