Description
Keycloak up to version 6.0.0 allows the end user token (access or id token JWT) to be used as the session cookie for browser sessions for OIDC. As a result an attacker with access to service provider backend could hijack user’s browser session.
Remediation
References
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3868
http://www.securityfocus.com/bid/108061
https://access.redhat.com/errata/RHSA-2019:1140
https://access.redhat.com/errata/RHSA-2019:2998
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