GHSA-844m-cpr9-jcmhMediumCVSS 6.2
Rails Multisite secure/signed cookies share secrets between sites in a multi-site application
🔗 CVE IDs covered (1)
📋 Description
Impact
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.
Patches
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 products1
- rubygems/rails_multisite:< 4.0.0
🔗 References (5)
- https://github.com/discourse/rails_multisite/security/advisories/GHSA-844m-cpr9-jcmh
- https://github.com/discourse/rails_multisite/commit/c6785cdb5c9277dd2c5ac8d55180dd1ece440ed0
- https://nvd.nist.gov/vuln/detail/CVE-2021-41263
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rails_multisite/CVE-2021-41263.yml
- https://github.com/advisories/GHSA-844m-cpr9-jcmh