{
  "id": "CVE-2023-39975",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2023-08-16T15:15:11.277",
  "lastModified": "2023-09-15T14:15:10.973",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "kdc/do_tgs_req.c in MIT Kerberos 5 (aka krb5) 1.21 before 1.21.2 has a double free that is reachable if an authenticated user can trigger an authorization-data handling failure. Incorrect data is copied from one ticket to another."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-415"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "1.21",
              "versionEndExcluding": "1.21.2",
              "matchCriteriaId": "BA50866D-BAAB-46DD-A6AC-8F8539414285"
            }
          ]
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  "references": [
    {
      "url": "https://github.com/krb5/krb5/commit/88a1701b423c13991a8064feeb26952d3641d840",
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://github.com/krb5/krb5/compare/krb5-1.21.1-final...krb5-1.21.2-final",
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://security.netapp.com/advisory/ntap-20230915-0014/",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://web.mit.edu/kerberos/www/advisories/",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}