{
  "id": "CVE-2023-0464",
  "sourceIdentifier": "openssl-security@openssl.org",
  "published": "2023-03-22T17:15:13.130",
  "lastModified": "2024-02-04T09:15:09.310",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "A security vulnerability has been identified in all supported versions\n\nof OpenSSL related to the verification of X.509 certificate chains\nthat include policy constraints.  Attackers may be able to exploit this\nvulnerability by creating a malicious certificate chain that triggers\nexponential use of computational resources, leading to a denial-of-service\n(DoS) attack on affected systems.\n\nPolicy processing is disabled by default but can be enabled by passing\nthe `-policy' argument to the command line utilities or by calling the\n`X509_VERIFY_PARAM_set1_policies()' function."
    }
  ],
  "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",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-295"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "1.0.2",
              "versionEndExcluding": "1.0.2zh",
              "matchCriteriaId": "23F912E9-9126-4D16-8F77-BD41CED6774D"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "1.1.1",
              "versionEndExcluding": "1.1.1u",
              "matchCriteriaId": "7D99C2F8-BE74-4912-8653-A2AEE387AAF9"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "3.0.0",
              "versionEndExcluding": "3.0.9",
              "matchCriteriaId": "4C637E94-F5EC-4D4B-836F-8C8219F1ECEC"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "3.1.0",
              "versionEndExcluding": "3.1.1",
              "matchCriteriaId": "68821BE0-7889-48B0-888D-CEC8BB9BDEA9"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=2017771e2db3e2b96f89bbe8766c3209f6a99545",
      "source": "openssl-security@openssl.org",
      "tags": [
        "Mailing List",
        "Patch"
      ]
    },
    {
      "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=2dcd4f1e3115f38cefa43e3efbe9b801c27e642e",
      "source": "openssl-security@openssl.org",
      "tags": [
        "Broken Link"
      ]
    },
    {
      "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=879f7080d7e141f415c79eaa3a8ac4a3dad0348b",
      "source": "openssl-security@openssl.org",
      "tags": [
        "Mailing List",
        "Patch"
      ]
    },
    {
      "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=959c59c7a0164117e7f8366466a32bb1f8d77ff1",
      "source": "openssl-security@openssl.org",
      "tags": [
        "Mailing List",
        "Patch"
      ]
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00011.html",
      "source": "openssl-security@openssl.org"
    },
    {
      "url": "https://security.gentoo.org/glsa/202402-08",
      "source": "openssl-security@openssl.org"
    },
    {
      "url": "https://www.couchbase.com/alerts/",
      "source": "openssl-security@openssl.org"
    },
    {
      "url": "https://www.debian.org/security/2023/dsa-5417",
      "source": "openssl-security@openssl.org"
    },
    {
      "url": "https://www.openssl.org/news/secadv/20230322.txt",
      "source": "openssl-security@openssl.org",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}