Description
Rocket.Chat's SAML SSO before versions 8.7.0, 8.6.1, 8.5.2, 8.4.5, 8.3.7, 8.2.7, 8.1.7, 8.0.8, and 7.10.14 verified XML signatures but did not bind the validated signature to samlp:Response / saml:Assertion. An attacker could submit a wrapped document carrying forged identity attributes alongside any valid signature made by the trusted IdP certificate, and log in as an arbitrary user.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Rocket.Chat | Rocket.Chat | < 8.7.0, < 8.6.1, < 8.5.2, < 8.4.5, < 8.3.7, < 8.2.7, < 8.1.7, < 8.0.8, < 7.10.14 | 8.7.0 |