CVE-2009-2422

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:rubyonrails:ruby_on_rails:*:*:*:*:*:*:*:*", "matchCriteriaId": "7E594206-CF9B-4C01-947C-79EF74B57416", "versionEndExcluding": "2.3.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*", "matchCriteriaId": "F110744D-9928-4DC1-873E-26B3E1D7CD62", "versionEndExcluding": "10.6.3", "versionStartIncluding": "10.6.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.5.8:*:*:*:*:*:*:*", "matchCriteriaId": "1335E35A-D381-4056-9E78-37BC6DF8AD98", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:mac_os_x_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "F3611024-49F5-414A-B536-9FA6519856B5", "versionEndExcluding": "10.6.3", "versionStartIncluding": "10.6.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:mac_os_x_server:10.5.8:*:*:*:*:*:*:*", "matchCriteriaId": "82B4CD59-9F37-4EF0-BA43-427CFD6E1329", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}], "id": "CVE-2009-2422", "lastModified": "2026-06-16T23:09:25.100", "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": true, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2009-07-10T15:30:00.250", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List"], "url": "http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Patch"], "url": "http://n8.tumblr.com/post/117477059/security-hole-found-in-rails-2-3s"}, {"source": "cve@mitre.org", "tags": ["Broken Link", "Vendor Advisory"], "url": "http://secunia.com/advisories/35702"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://support.apple.com/kb/HT4077"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": 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