CVE-2018-10912 Moderate severity vulnerability that affects org.keycloak:keycloak-core

What is CVE-2018-10912?

CVE-2018-10912 is a medium-severity denial of service vulnerability in Redhat Keycloak, published on 23 Jul 2018. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

keycloak before version 4.0.0.final is vulnerable to a infinite loop in session replacement. A Keycloak cluster with multiple nodes could mishandle an expired session replacement and lead to an infinite loop. A malicious authenticated user could use this flaw to achieve Denial of Service on the server.

Weakness: CWE-835

Which versions are affected by CVE-2018-10912?

2 open source packages ship an affected version, including org.keycloak:keycloak-core. It affects 2 products.

Products include Redhat Keycloak, Redhat Single Sign-On.

How do I fix CVE-2018-10912?

Upgrade org.keycloak:keycloak-core to 4.0.0 or later.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2018-10912 being exploited?

There is no known exploitation of CVE-2018-10912 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 CVE-2018-10842, GHSA-h7j7-pw3v-3v3x.