EUVD-2021-1195

Malware in sbrugna...

Insecure Session Management

github.com/ory/fosite uses insecure session management. The vulnerability exists as it fails to validate the uniqueness of this jti value in privatekeyjwt client authentication method, allowing an attacker to send the same token request twice with the same jti assertion to get two access tokens...

Design/Logic Flaw

In ORY Fosite the security first OAuth2 & OpenID Connect framework for Go before version 0.31.0, when using "privatekeyjwt" authentication the uniqueness of the jti value is not checked. When using client authentication method "privatekeyjwt", OpenId specification says the following about asserti...