CVE-2016-8629 Moderate severity vulnerability that affects org.keycloak:keycloak-core
Attackers with service account authentication can bypass permissions to delete users in separate realms, requiring an upgrade to Keycloak.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-8629?
CVE-2016-8629 is a medium-severity missing authorization vulnerability in Redhat Keycloak, published on 12 Mar 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Red Hat Keycloak before version 2.4.0 did not correctly check permissions when handling service account user deletion requests sent to the rest server. An attacker with service account authentication could use this flaw to bypass normal permissions and delete users in a separate realm.
Which versions are affected by CVE-2016-8629?
2 open source packages ship an affected version, including org.keycloak:keycloak-core. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
org.keycloak:keycloak-core Maven | All versions | 2.4.0 |
org.keycloak:keycloak-core Maven | All versions | 2.4.0 |
Products include Redhat Keycloak, Redhat Single Sign On.
How do I fix CVE-2016-8629?
Upgrade org.keycloak:keycloak-core to 2.4.0 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2016-8629 being exploited?
There is no known exploitation of CVE-2016-8629 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
- CVE-2022-1245 Keycloak vulnerable to privilege escalation on Token Exchange feature
- CVE-2021-20195 keycloak Self Stored Cross-site Scripting vulnerability
- CVE-2019-14910 Keycloak Authentication Error
- CVE-2019-14909 Keycloak Authentication Error
Sources
Also known as GHSA-778x-2mqv-w6xw.