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| author | Aaron Patterson <aaron.patterson@gmail.com> | 2019-03-10 16:37:46 -0700 |
|---|---|---|
| committer | John Hawthorn <john@hawthorn.email> | 2019-03-10 21:30:03 -0700 |
| commit | 4c743587ad6a31908503ab317e37d70361d49e66 (patch) | |
| tree | dea618c58eb9c761555d60d20030372c1ecc3131 /actionpack/lib | |
| parent | f4c70c2222180b8d9d924f00af0c7fd632e26715 (diff) | |
| download | rails-4c743587ad6a31908503ab317e37d70361d49e66.tar.gz rails-4c743587ad6a31908503ab317e37d70361d49e66.tar.bz2 rails-4c743587ad6a31908503ab317e37d70361d49e66.zip | |
Fix possible dev mode RCE
If the secret_key_base is nil in dev or test generate a key from random
bytes and store it in a tmp file. This prevents the app developers from
having to share / checkin the secret key for dev / test but also
maintains a key between app restarts in dev/test.
[CVE-2019-5420]
Co-Authored-By: eileencodes <eileencodes@gmail.com>
Co-Authored-By: John Hawthorn <john@hawthorn.email>
Diffstat (limited to 'actionpack/lib')
| -rw-r--r-- | actionpack/lib/action_dispatch/middleware/session/cookie_store.rb | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/actionpack/lib/action_dispatch/middleware/session/cookie_store.rb b/actionpack/lib/action_dispatch/middleware/session/cookie_store.rb index 02ccfbc81a..7c43c781c7 100644 --- a/actionpack/lib/action_dispatch/middleware/session/cookie_store.rb +++ b/actionpack/lib/action_dispatch/middleware/session/cookie_store.rb @@ -24,9 +24,10 @@ module ActionDispatch # # Rails.application.config.session_store :cookie_store, key: '_your_app_session' # - # By default, your secret key base is derived from your application name in - # the test and development environments. In all other environments, it is stored - # encrypted in the <tt>config/credentials.yml.enc</tt> file. + # In the development and test environments your application's secret key base is + # generated by Rails and stored in a temporary file in <tt>tmp/development_secret.txt</tt>. + # In all other environments, it is stored encrypted in the + # <tt>config/credentials.yml.enc</tt> file. # # If your application was not updated to Rails 5.2 defaults, the secret_key_base # will be found in the old <tt>config/secrets.yml</tt> file. |