CVE-2009-2422

{"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": 10.0, "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}]}, "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": "Deferred", "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 c\u00f3digo de ejemplo para la funcionalidad de autenticaci\u00f3n digest (http_authentication.rb) en Ruby on Rails anterior a v2.3.3 define un bloque authenticate_or_request_with_http_digest que devolver\u00e1 nulo en lugar de falso cuando el usuario no existe, lo cual permite a atacantes dependiendo del contexto eludir la autenticaci\u00f3n para aplicaciones que se derivan de este ejemplo mediante el env\u00edo de un nombre de usuario no v\u00e1lido sin una contrase\u00f1a."}], "lastModified": "2025-04-09T00:30:58.490", "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": 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