github - ghsa-3v6w-73q2-w9pg

GHSA-3V6W-73Q2-W9PG

Vulnerability from github – Published: 2023-03-04 00:30 – Updated: 2025-03-06 18:30

Details

In OpenBSD 7.2, a TCP packet with destination port 0 that matches a pf divert-to rule can crash the kernel.

Severity ?

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2023-27567"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-03-03T22:15:00Z",
    "severity": "HIGH"
  },
  "details": "In OpenBSD 7.2, a TCP packet with destination port 0 that matches a pf divert-to rule can crash the kernel.",
  "id": "GHSA-3v6w-73q2-w9pg",
  "modified": "2025-03-06T18:30:49Z",
  "published": "2023-03-04T00:30:16Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-27567"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openbsd/src/commit/0a543725ccdd2a01669122ce79bb67e66ede77f2"
    },
    {
      "type": "WEB",
      "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/013_tcp.patch.sig"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20230406-0001"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2023-27567 (GCVE-0-2023-27567)

Vulnerability from cvelistv5 – Published: 2023-03-03 00:00 – Updated: 2025-03-06 16:41

Summary

In OpenBSD 7.2, a TCP packet with destination port 0 that matches a pf divert-to rule can crash the kernel.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/c…
	https://github.com/openbsd/src/commit/0a543725ccd…
	https://security.netapp.com/advisory/ntap-2023040…

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T12:16:36.611Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/013_tcp.patch.sig"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/openbsd/src/commit/0a543725ccdd2a01669122ce79bb67e66ede77f2"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20230406-0001/"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-27567",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-03-06T16:41:13.974774Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-400",
                "description": "CWE-400 Uncontrolled Resource Consumption",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-03-06T16:41:51.886Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "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."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-04-06T00:00:00.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/013_tcp.patch.sig"
        },
        {
          "url": "https://github.com/openbsd/src/commit/0a543725ccdd2a01669122ce79bb67e66ede77f2"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20230406-0001/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2023-27567",
    "datePublished": "2023-03-03T00:00:00.000Z",
    "dateReserved": "2023-03-03T00:00:00.000Z",
    "dateUpdated": "2025-03-06T16:41:51.886Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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.

Action not permitted

GHSA-3V6W-73Q2-W9PG

CVE-2023-27567 (GCVE-0-2023-27567)

Tags

Sightings

Nomenclature