« Volver al listado

CVE-2009-2422

Estado: ModificadaCrítica (9.8)—

The example code for the digest authentication functionality (http_authentication.rb) in Ruby on Rails before 2.3.3 defines an authenticate_or_request_with_http_digest block that returns nil instead of false when the user does not exist, which allows context-dependent attackers to bypass authentication for applications that are derived from this example by sending an invalid username without a password.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (3)

Apple — MAC OS XApple — MAC OS X ServerRubyonrails — Ruby ON Rails

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2009-2422",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": true,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2009-07-10T15:30:00.250",
  "references": [
    {
      "url": "http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html",
      "tags": [
        "Mailing List"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://n8.tumblr.com/post/117477059/security-hole-found-in-rails-2-3s",
      "tags": [
        "Exploit",
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/35702",
      "tags": [
        "Broken Link",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://support.apple.com/kb/HT4077",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://weblog.rubyonrails.org/2009/6/3/security-problem-with-authenticate_with_http_digest",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/35579",
      "tags": [
        "Broken Link",
        "Patch",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2009/1802",
      "tags": [
        "Broken Link",
        "Patch",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/51528",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html",
      "tags": [
        "Mailing List"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://n8.tumblr.com/post/117477059/security-hole-found-in-rails-2-3s",
      "tags": [
        "Exploit",
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/35702",
      "tags": [
        "Broken Link",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://support.apple.com/kb/HT4077",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://weblog.rubyonrails.org/2009/6/3/security-problem-with-authenticate_with_http_digest",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/35579",
      "tags": [
        "Broken Link",
        "Patch",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2009/1802",
      "tags": [
        "Broken Link",
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/51528",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The example code for the digest authentication functionality (http_authentication.rb) in Ruby on Rails before 2.3.3 defines an authenticate_or_request_with_http_digest block that returns nil instead of false when the user does not exist, which allows context-dependent attackers to bypass authentication for applications that are derived from this example by sending an invalid username without a password."
    },
    {
      "lang": "es",
      "value": "El código de ejemplo para la funcionalidad de autenticación digest (http_authentication.rb) en Ruby on Rails anterior a v2.3.3 define un bloque authenticate_or_request_with_http_digest que devolverá nulo en lugar de falso cuando el usuario no existe, lo cual permite a atacantes dependiendo del contexto eludir la autenticación para aplicaciones que se derivan de este ejemplo mediante el envío de un nombre de usuario no válido sin una contraseña."
    }
  ],
  "lastModified": "2026-06-16T23:09:25.100",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:rubyonrails:ruby_on_rails:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7E594206-CF9B-4C01-947C-79EF74B57416",
              "versionEndExcluding": "2.3.3"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F110744D-9928-4DC1-873E-26B3E1D7CD62",
              "versionEndExcluding": "10.6.3",
              "versionStartIncluding": "10.6.0"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.5.8:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1335E35A-D381-4056-9E78-37BC6DF8AD98"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x_server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F3611024-49F5-414A-B536-9FA6519856B5",
              "versionEndExcluding": "10.6.3",
              "versionStartIncluding": "10.6.0"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x_server:10.5.8:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "82B4CD59-9F37-4EF0-BA43-427CFD6E1329"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}