What’s Vulnerable › Vulnerabilities

CVE-2012-3424

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-08-08 · updated 2026-06-16
• Weakness: CWE-287

Description

The decode_credentials method in actionpack/lib/action_controller/metal/http_authentication.rb in Ruby on Rails 3.x before 3.0.16, 3.1.x before 3.1.7, and 3.2.x before 3.2.7 converts Digest Authentication strings to symbols, which allows remote attackers to cause a denial of service by leveraging access to an application that uses a with_http_digest helper method, as demonstrated by the authenticate_or_request_with_http_digest method.

Affected products

• Ruby on Rails: 3.0.0, 3.0.0-beta, 3.0.0-beta2, 3.0.0-beta3, 3.0.0-beta4, 3.0.0-rc (+70)
• rubyonrails Ruby On Rails: 3.0.4

References

• http://lists.opensuse.org/opensuse-updates/2012-08/msg00046.html
• http://rhn.redhat.com/errata/RHSA-2013-0154.html
• http://weblog.rubyonrails.org/2012/7/26/ann-rails-3-2-7-has-been-released/
• https://groups.google.com/group/rubyonrails-security/msg/244d32f2fa25147d?hl=en&dmode=source&output=gplain
• http://lists.opensuse.org/opensuse-updates/2012-08/msg00046.html
• http://rhn.redhat.com/errata/RHSA-2013-0154.html
• http://weblog.rubyonrails.org/2012/7/26/ann-rails-3-2-7-has-been-released/
• https://groups.google.com/group/rubyonrails-security/msg/244d32f2fa25147d?hl=en&dmode=source&output=gplain

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