fkie_cve-2011-4197
Vulnerability from fkie_nvd
Published
2012-01-03 19:55
Modified
2025-04-11 00:51
Severity ?
Summary
etc/inc/certs.inc in the PKI implementation in pfSense before 2.0.1 creates each X.509 certificate with a true value for the CA basic constraint, which allows remote attackers to create sub-certificates for arbitrary subjects by leveraging the private key.
References
cve@mitre.orghttp://archives.neohapsis.com/archives/bugtraq/2011-12/0152.html
cve@mitre.orghttp://secunia.com/advisories/46780Vendor Advisory
cve@mitre.orghttp://www.osvdb.org/77982
cve@mitre.orghttp://www.securityfocus.com/bid/51169
cve@mitre.orghttps://exchange.xforce.ibmcloud.com/vulnerabilities/71969
cve@mitre.orghttps://github.com/bsdperimeter/pfsense/commit/1379d66f11aaf72982a70287b83e24efcd18898e
cve@mitre.orghttps://github.com/bsdperimeter/pfsense/commit/87b4deb2b2dae9013e6aa0fe490d6a5a04a27894
cve@mitre.orghttps://www.trustmatta.com/advisories/MATTA-2011-001.txt
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/bugtraq/2011-12/0152.html
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/46780Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/77982
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/51169
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/71969
af854a3a-2127-422b-91ae-364da2661108https://github.com/bsdperimeter/pfsense/commit/1379d66f11aaf72982a70287b83e24efcd18898e
af854a3a-2127-422b-91ae-364da2661108https://github.com/bsdperimeter/pfsense/commit/87b4deb2b2dae9013e6aa0fe490d6a5a04a27894
af854a3a-2127-422b-91ae-364da2661108https://www.trustmatta.com/advisories/MATTA-2011-001.txt
Impacted products
Vendor Product Version
pfsense pfsense *
pfsense pfsense 1.0.x
pfsense pfsense 1.2.1
pfsense pfsense 1.2.2
pfsense pfsense 1.2.3


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:pfsense:pfsense:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B2B94DE8-E8F3-4534-93E3-1C5F93F19E1B",
              "versionEndIncluding": "2.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:pfsense:pfsense:1.0.x:*:*:*:*:*:*:*",
              "matchCriteriaId": "1882D857-FF4A-4A5E-971D-2DC67B13FC1A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:pfsense:pfsense:1.2.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "91B2C820-8BE9-48D0-848F-A6C6C7D8094A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:pfsense:pfsense:1.2.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "AA3FBF3F-BE16-48DC-AA01-F9BB2DEED01E",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:pfsense:pfsense:1.2.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "A52BDC92-9630-46EB-8162-484D6DA1868B",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "etc/inc/certs.inc in the PKI implementation in pfSense before 2.0.1 creates each X.509 certificate with a true value for the CA basic constraint, which allows remote attackers to create sub-certificates for arbitrary subjects by leveraging the private key."
    },
    {
      "lang": "es",
      "value": "etc/inc/certs.inc en la implementaci\u00f3n de PKI pfSense antes de v2.0.1, crea cada certificado X.509 con un valor verdadero para la restricci\u00f3n b\u00e1sica de CA, lo que permite a atacantes remotos crear sub-certificados para temas de su elecci\u00f3n aprovechando la clave privada."
    }
  ],
  "id": "CVE-2011-4197",
  "lastModified": "2025-04-11T00:51:21.963",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2012-01-03T19:55:03.560",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://archives.neohapsis.com/archives/bugtraq/2011-12/0152.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/46780"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.osvdb.org/77982"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securityfocus.com/bid/51169"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/71969"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/bsdperimeter/pfsense/commit/1379d66f11aaf72982a70287b83e24efcd18898e"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/bsdperimeter/pfsense/commit/87b4deb2b2dae9013e6aa0fe490d6a5a04a27894"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://www.trustmatta.com/advisories/MATTA-2011-001.txt"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://archives.neohapsis.com/archives/bugtraq/2011-12/0152.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/46780"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.osvdb.org/77982"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/51169"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/71969"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://github.com/bsdperimeter/pfsense/commit/1379d66f11aaf72982a70287b83e24efcd18898e"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://github.com/bsdperimeter/pfsense/commit/87b4deb2b2dae9013e6aa0fe490d6a5a04a27894"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.trustmatta.com/advisories/MATTA-2011-001.txt"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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