CVE-2019-14910 Keycloak Authentication Error
Attackers can bypass authentication and gain unauthorized access when Keycloak uses LDAP with StartTLS instead of LDAPS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-14910?
CVE-2019-14910 is a critical authentication bypass vulnerability in Redhat Keycloak, published on 5 Dec 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was found in keycloak 7.x, when keycloak is configured with LDAP user federation and StartTLS is used instead of SSL/TLS from the LDAP server (ldaps), in this case user authentication succeeds even if invalid password has entered.
Which versions are affected by CVE-2019-14910?
2 open source packages ship an affected version, including org.keycloak:keycloak-parent. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.keycloak:keycloak-parent Maven | From 7.0.0 to 7.0.1 | None |
org.keycloak:keycloak-parent Maven | From 7.0.0 to 7.0.1 | None |
Products include Redhat Keycloak.
How do I fix CVE-2019-14910?
No fix has been published for CVE-2019-14910 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2019-14910 being exploited?
There is no known exploitation of CVE-2019-14910 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-2019-14909 Keycloak Authentication Error
- CVE-2022-3782 Keycloak vulnerable to path traversal via double URL encoding
Sources
Also known as GHSA-jf86-9434-f8c2.