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Ruby on Rails Devise Authentication Password Reset

The Devise authentication gem for Ruby on Rails is vulnerable to a password reset exploit leveraging type confusion. By submitting XML to rails, we can influence the type used for the reset_password_token parameter. This allows for resetting passwords of arbitrary accounts, knowing only the associated email address. This module defaults to the most common devise URIs and response values, but these may require adjustment for implementations which customize them. Affects Devise < v2.2.3, 2.1.3, 2.0.5 and 1.5.4 when backed by any database except PostgreSQL or SQLite3. Tested with v2.2.2, 2.1.2, and 2.0.4 on Rails 3.2.11. Patch applied to Rails 3.2.12 and 3.1.11 should prevent exploitation of this vulnerability, by quoting numeric values when comparing them with non numeric values.

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Module Name

auxiliary/admin/http/rails_devise_pass_reset

Authors

  • joernchen
  • jjarmoc

References

Reliability

Development

Module Options

To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':

msf > use auxiliary/admin/http/rails_devise_pass_reset msf auxiliary(rails_devise_pass_reset) > show actions ...actions... msf auxiliary(rails_devise_pass_reset) > set ACTION <action-name> msf auxiliary(rails_devise_pass_reset) > show options ...show and set options... msf auxiliary(rails_devise_pass_reset) > run

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