GHSA-rxq3-gm4p-5fj4

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GHSA-rxq3-gm4p-5fj4

Summary: rails vulnerable to improper authentication

Details: 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: https://nvd.nist.gov/vuln/detail/CVE-2009-2422, https://exchange.xforce.ibmcloud.com/vulnerabilities/51528, https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rails/CVE-2009-2422.yml, https://web.archive.org/web/20090711160153/http://secunia.com/advisories/35702, https://web.archive.org/web/20200229192617/http://www.securityfocus.com/bid/35579, http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html, http://n8.tumblr.com/post/117477059/security-hole-found-in-rails-2-3s, http://support.apple.com/kb/HT4077, http://weblog.rubyonrails.org/2009/6/3/security-problem-with-authenticate_with_http_digest