7.5
CVSSv2

CVE-2009-2422

Published: 10/07/2009 Updated: 13/02/2024
CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10
CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9
VMScore: 668
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Summary

The example code for the digest authentication functionality (http_authentication.rb) in Ruby on Rails prior to 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 malicious users to bypass authentication for applications that are derived from this example by sending an invalid username without a password.

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rubyonrails ruby on rails

apple mac os x 10.5.8

apple mac os x server 10.5.8

apple mac os x

apple mac os x server

Vendor Advisories

DescriptionThe MITRE CVE dictionary describes this issue as: The example code for the digest authentication functionality (http_authenticationrb) in Ruby on Rails before 233 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 ...