CVE-2023-27567

Published Mar 3, 2023

Last updated 2 years ago

Overview

Description: In OpenBSD 7.2, a TCP packet with destination port 0 that matches a pf divert-to rule can crash the kernel.
Source: cve@mitre.org
NVD status: Modified

Hype score: Not currently trending

Risk scores

CVSS 3.1

Type: Primary
Base score: 7.5
Impact score: 3.6
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: HIGH

Weaknesses

nvd@nist.gov: NVD-CWE-noinfo

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:o:openbsd:openbsd:7.2:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "6E6EC6AC-E2DE-4166-A762-AB6A88DF1C1E"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References