{ "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2009-2422", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "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." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "35702", "refsource": "SECUNIA", "url": "http://secunia.com/advisories/35702" }, { "name": "35579", "refsource": "BID", "url": "http://www.securityfocus.com/bid/35579" }, { "name": "APPLE-SA-2010-03-29-1", "refsource": "APPLE", "url": "http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html" }, { "name": "http://weblog.rubyonrails.org/2009/6/3/security-problem-with-authenticate_with_http_digest", "refsource": "CONFIRM", "url": "http://weblog.rubyonrails.org/2009/6/3/security-problem-with-authenticate_with_http_digest" }, { "name": "ADV-2009-1802", "refsource": "VUPEN", "url": "http://www.vupen.com/english/advisories/2009/1802" }, { "name": "http://support.apple.com/kb/HT4077", "refsource": "CONFIRM", "url": "http://support.apple.com/kb/HT4077" }, { "name": "http://n8.tumblr.com/post/117477059/security-hole-found-in-rails-2-3s", "refsource": "MISC", "url": "http://n8.tumblr.com/post/117477059/security-hole-found-in-rails-2-3s" }, { "name": "rubyonrails-validatedigest-sec-bypass(51528)", "refsource": "XF", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/51528" } ] } }