module

Ruby on Rails Known Secret Session Cookie Remote Code Execution

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Disclosed
04/11/2013
Created
05/30/2018

Description

This module implements Remote Command Execution on Ruby on Rails applications.
Prerequisite is knowledge of the "secret_token" (Rails 2/3) or "secret_key_base"
(Rails 4). The values for those can be usually found in the file
"RAILS_ROOT/config/initializers/secret_token.rb". The module achieves RCE by
deserialization of a crafted Ruby Object.

Author

joernchen of Phenoelit

Platform

Ruby

Architectures

ruby

References

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 exploit/multi/http/rails_secret_deserialization
    msf /(n) > show actions
        ...actions...
    msf /(n) > set ACTION < action-name >
    msf /(n) > show options
        ...show and set options...
    msf /(n) > run
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