{
  "id": "CVE-2023-27567",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2023-03-03T22:15:10.067",
  "lastModified": "2025-03-06T17:15:17.347",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In OpenBSD 7.2, a TCP packet with destination port 0 that matches a pf divert-to rule can crash the kernel."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:openbsd:openbsd:7.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "6E6EC6AC-E2DE-4166-A762-AB6A88DF1C1E"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/013_tcp.patch.sig",
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://github.com/openbsd/src/commit/0a543725ccdd2a01669122ce79bb67e66ede77f2",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://security.netapp.com/advisory/ntap-20230406-0001/",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/013_tcp.patch.sig",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://github.com/openbsd/src/commit/0a543725ccdd2a01669122ce79bb67e66ede77f2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://security.netapp.com/advisory/ntap-20230406-0001/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ]
}