Vulnerability in activerecord-session_store

The activerecord-session_store (aka Active Record Session Store) component through 1.1.3 for Ruby on Rails does not use a constant-time approach when delivering information about whether a guessed session ID is valid. Consequently, remote attackers can leverage timing discrepancies to achieve a correct guess in a relatively short amount of time. This is a related issue to CVE-2019-16782.

Recommendation

As of the publishing of this advisory, there is no official fix in place.

An unofficial fix is described here: https://github.com/rails/activerecord-session_store/pull/151#issuecomment-631705247

>= 2.0.0

n/a

n/a