In strategy.rb in OmniAuth before 1.3.2, the authenticity_token value is improperly protected because POST (in addition to GET) parameters are stored in the session and become available in the environment of the callback phase.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Omniauth | Omniauth | * | 1.3.2 (excluding) |
| Ruby-omniauth | Ubuntu | artful | * |
| Ruby-omniauth | Ubuntu | esm-apps/xenial | * |
| Ruby-omniauth | Ubuntu | trusty | * |
| Ruby-omniauth | Ubuntu | upstream | * |
| Ruby-omniauth | Ubuntu | xenial | * |
References
- https://bugs.debian.org/888523
- https://github.com/omniauth/omniauth/pull/867
- https://github.com/omniauth/omniauth/pull/867/commits/71866c5264122e196847a3980c43051446a03e9b
- https://www.debian.org/security/2018/dsa-4109
- https://bugs.debian.org/888523
- https://github.com/omniauth/omniauth/pull/867
- https://github.com/omniauth/omniauth/pull/867/commits/71866c5264122e196847a3980c43051446a03e9b
- https://www.debian.org/security/2018/dsa-4109