CVE-2019-10169 Keycloak code execution via UMA policy abuse

What is CVE-2019-10169?

CVE-2019-10169 is a medium-severity code injection vulnerability in Redhat Keycloak, published on 8 May 2020. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A flaw was found in Keycloak’s user-managed access interface, where it would permit a script to be set in the UMA policy. This flaw allows an authenticated attacker with UMA permissions to configure a malicious script to trigger and execute arbitrary code with the permissions of the user running application.

Weakness: CWE-267

Which versions are affected by CVE-2019-10169?

2 open source packages ship an affected version, including org.keycloak:keycloak-authz-client. It affects 1 product.

Products include Redhat Keycloak.

How do I fix CVE-2019-10169?

Upgrade org.keycloak:keycloak-authz-client to 8.0.0 or later.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2019-10169 being exploited?

There is no known exploitation of CVE-2019-10169 in the wild and no public exploit code.

Other vulnerabilities in Redhat Keycloak

• CVE-2022-4361 Keycloak vulnerable to cross-site scripting when validating URI-schemes on SAML and OIDC Critical 10.0
• CVE-2022-1245 Keycloak vulnerable to privilege escalation on Token Exchange feature Critical 9.8
• CVE-2021-20195 keycloak Self Stored Cross-site Scripting vulnerability Critical 9.6
• CVE-2019-14910 Keycloak Authentication Error Critical 9.3
• CVE-2019-14909 Keycloak Authentication Error Critical 9.3

All Redhat Keycloak vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-9c24-43p5-fv82.