Related Vulnerabilities: CVE-2020-1714  

A flaw was found in Keycloak, where the code base contains usages of ObjectInputStream without type checks. This flaw allows an attacker to inject arbitrarily serialized Java Objects, which would then get deserialized in a privileged context and potentially lead to remote code execution.

Severity High

Remote Yes

Type Arbitrary code execution

Description

A flaw was found in Keycloak, where the code base contains usages of ObjectInputStream without type checks. This flaw allows an attacker to inject arbitrarily serialized Java Objects, which would then get deserialized in a privileged context and potentially lead to remote code execution.

AVG-1158 keycloak 10.0.0-1 High Vulnerable FS#66642

https://github.com/keycloak/keycloak/pull/7053
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1714