CVE-2013-2113
First published: Fri May 24 2013(Updated: )
Ramon de C Valle (rcvalle) reports: There is a mass assignment vulnerability in the create method of the UsersController controller. The create method in app/controllers/users_controller.rb deletes the user-controlled user[admin] parameter from the params hash but saves it to a local variable and assigns it to the newly created user object bypassing the :attr_protected mechanism. def create admin = params[:user].delete :admin @user = User.new(params[:user]){|u| u.admin = admin } if @user.save @user.roles << Role.find_by_name("Anonymous") unless @user.roles.map(&:name).include? "Anonymous" process_success else process_error end end Any non-admin user with permissions to create other (non-admin) users (i.e. with Manager role) can create arbitrary admin users by sending a specially-crafted POST request.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Redhat Openstack | =3.0 | |
| Theforeman Foreman | <=1.2.0 | |
| Theforeman Foreman | =1.1 |
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Reference Links
- http://projects.theforeman.org/issues/2630
- http://rhn.redhat.com/errata/RHSA-2013-0995.html
- https://bugzilla.redhat.com/show_bug.cgi?id=968166
- https://groups.google.com/forum/#%21topic/foreman-users/6WpO_3ugiXU
- https://access.redhat.com/security/cve/CVE-2013-2113
- http://groups.google.com/group/foreman-users/browse_thread/thread/e96a4eff7ba08975
- https://rhn.redhat.com/errata/RHSA-2013-0995.html
- https://bugzilla.redhat.com/show_bug.cgi?id=966804
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