fkie_cve-2009-2422
Vulnerability from fkie_nvd
Published
2009-07-10 15:30
Modified
2025-04-09 00:30
Severity ?
Summary
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.
References
cve@mitre.orghttp://lists.apple.com/archives/security-announce/2010//Mar/msg00001.htmlMailing List
cve@mitre.orghttp://n8.tumblr.com/post/117477059/security-hole-found-in-rails-2-3sExploit, Patch
cve@mitre.orghttp://secunia.com/advisories/35702Broken Link, Vendor Advisory
cve@mitre.orghttp://support.apple.com/kb/HT4077Third Party Advisory
cve@mitre.orghttp://weblog.rubyonrails.org/2009/6/3/security-problem-with-authenticate_with_http_digestPatch
cve@mitre.orghttp://www.securityfocus.com/bid/35579Broken Link, Patch, Third Party Advisory, VDB Entry
cve@mitre.orghttp://www.vupen.com/english/advisories/2009/1802Broken Link, Patch, Vendor Advisory
cve@mitre.orghttps://exchange.xforce.ibmcloud.com/vulnerabilities/51528Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.htmlMailing List
af854a3a-2127-422b-91ae-364da2661108http://n8.tumblr.com/post/117477059/security-hole-found-in-rails-2-3sExploit, Patch
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/35702Broken Link, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://support.apple.com/kb/HT4077Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://weblog.rubyonrails.org/2009/6/3/security-problem-with-authenticate_with_http_digestPatch
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/35579Broken Link, Patch, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2009/1802Broken Link, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/51528Third Party Advisory, VDB Entry
Impacted products



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              "versionEndExcluding": "2.3.3",
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  "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": "2025-04-09T00:30:58.490",
  "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
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        "source": "nvd@nist.gov",
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  "published": "2009-07-10T15:30:00.250",
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      "tags": [
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}


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