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CVE-2013-0233 affects the Devise gem for Ruby in versions 2.2.x before 2.2.3, 2.1.x before 2.1.3, 2.0.x before 2.0.5, and 1.5.x before 1.5.4. When used with certain databases, Devise does not properly perform type conversion during database queries. This can cause queries to return incorrect results, which in turn can undermine application security logic that depends on accurate record matching. The issue can be exploited remotely via unspecified vectors, and the published example indicates that it may allow password resets for arbitrary accounts.
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This repository contains a single Metasploit auxiliary module (modules/auxiliary/admin/http/rails_devise_pass_reset.rb) that exploits a type confusion vulnerability (CVE-2013-0233) in the Devise authentication gem for Ruby on Rails. The exploit targets the password reset functionality by sending crafted XML to the password reset endpoint (default: /users/password), setting the reset_password_token parameter as an integer. This allows an attacker, knowing only the target's email address, to reset the password of arbitrary accounts. The module is configurable for different object names, endpoints, and passwords, and includes logic to flush existing reset tokens to increase reliability. The exploit is operational and requires the target to be running a vulnerable version of Devise (prior to 2.2.3, 2.1.3, 2.0.5, or 1.5.4) on Rails, with a non-PostgreSQL/SQLite3 database backend. The code is written in Ruby and is designed to be run within the Metasploit framework.
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