high8.3
CVE-2021-41263
rails_multisite provides multi-db support for Rails applications.
Impact
rails_multisite provides multi-db support for Rails applications. In affected versions this vulnerability impacts any Rails applications using `rails_multisite` alongside Rails' signed/encrypted cookies. Depending on how the application makes use of these cookies, it may be possible for an attacker to re-use cookies on different 'sites' within a multi-site Rails application. The issue has been patched in v4 of the `rails_multisite` gem. Note that this upgrade will invalidate all previous signed/encrypted cookies. The impact of this invalidation will vary based on the application architecture.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Discourse | Rails Multisite | before 4.0.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/discourse/rails_multisite/commit/c6785cdb5c9277dd2c5ac8d55180dd1ece440ed0
- https://github.com/discourse/rails_multisite/security/advisories/GHSA-844m-cpr9-jcmh
- https://github.com/discourse/rails_multisite/commit/c6785cdb5c9277dd2c5ac8d55180dd1ece440ed0
- https://github.com/discourse/rails_multisite/security/advisories/GHSA-844m-cpr9-jcmh