FKIE_CVE-2023-52892

Vulnerability from fkie_nvd - Published: 2024-06-27 22:15 - Updated: 2025-10-22 20:40
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
In phpseclib before 1.0.22, 2.x before 2.0.46, and 3.x before 3.0.33, some characters in Subject Alternative Name fields in TLS certificates are incorrectly allowed to have a special meaning in regular expressions (such as a + wildcard), leading to name confusion in X.509 certificate host verification.
References
cve@mitre.orghttps://github.com/phpseclib/phpseclib/commit/6cd6e8ceab9f2b55c8cd81d2192bf98cbeaf4627Patch
cve@mitre.orghttps://github.com/phpseclib/phpseclib/issues/1943Exploit, Issue Tracking
cve@mitre.orghttps://github.com/phpseclib/phpseclib/releases/tag/3.0.33Release Notes
cve@mitre.orghttps://github.com/x509-name-testing/name_testing_artifactsNot Applicable
af854a3a-2127-422b-91ae-364da2661108https://github.com/phpseclib/phpseclib/commit/6cd6e8ceab9f2b55c8cd81d2192bf98cbeaf4627Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/phpseclib/phpseclib/issues/1943Exploit, Issue Tracking
af854a3a-2127-422b-91ae-364da2661108https://github.com/phpseclib/phpseclib/releases/tag/3.0.33Release Notes
af854a3a-2127-422b-91ae-364da2661108https://github.com/x509-name-testing/name_testing_artifactsNot Applicable
Impacted products
Vendor Product Version
phpseclib phpseclib *
phpseclib phpseclib *
phpseclib phpseclib *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:phpseclib:phpseclib:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "AC278869-68C8-4B15-9ADE-0B22DCDD2E91",
              "versionEndExcluding": "1.0.22",
              "versionStartIncluding": "1.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:phpseclib:phpseclib:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B3497E33-6207-4B0D-9E11-71C90048695C",
              "versionEndExcluding": "2.0.46",
              "versionStartIncluding": "2.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:phpseclib:phpseclib:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "6A3C5942-8313-4EC1-9333-490EA25E26B2",
              "versionEndExcluding": "3.0.33",
              "versionStartIncluding": "3.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In phpseclib before 1.0.22, 2.x before 2.0.46, and 3.x before 3.0.33, some characters in Subject Alternative Name fields in TLS certificates are incorrectly allowed to have a special meaning in regular expressions (such as a + wildcard), leading to name confusion in X.509 certificate host verification."
    },
    {
      "lang": "es",
      "value": "En phpseclib anterior a 1.0.22, 2.x anterior a 2.0.46 y 3.x anterior a 3.0.33, se permite incorrectamente que algunos caracteres en los campos Nombre alternativo del sujeto en los certificados TLS tengan un significado especial en expresiones regulares (como + comod\u00edn), lo que genera confusi\u00f3n de nombres en la verificaci\u00f3n del host de certificados X.509."
    }
  ],
  "id": "CVE-2023-52892",
  "lastModified": "2025-10-22T20:40:45.620",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2024-06-27T22:15:10.277",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/phpseclib/phpseclib/commit/6cd6e8ceab9f2b55c8cd81d2192bf98cbeaf4627"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Issue Tracking"
      ],
      "url": "https://github.com/phpseclib/phpseclib/issues/1943"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes"
      ],
      "url": "https://github.com/phpseclib/phpseclib/releases/tag/3.0.33"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Not Applicable"
      ],
      "url": "https://github.com/x509-name-testing/name_testing_artifacts"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/phpseclib/phpseclib/commit/6cd6e8ceab9f2b55c8cd81d2192bf98cbeaf4627"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Issue Tracking"
      ],
      "url": "https://github.com/phpseclib/phpseclib/issues/1943"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes"
      ],
      "url": "https://github.com/phpseclib/phpseclib/releases/tag/3.0.33"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Not Applicable"
      ],
      "url": "https://github.com/x509-name-testing/name_testing_artifacts"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-436"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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