CVE-2016-8609 Improper Authentication in org.keycloak:keycloak-core
Attackers can hijack user sessions via phishing URLs due to flawed authentication flow implementation in Keycloak.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2016-8609?
CVE-2016-8609 is a low-severity authentication bypass vulnerability in Redhat Keycloak, published on 1 Aug 2018. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
It was found that the keycloak before 2.3.0 did not implement authentication flow correctly. An attacker could use this flaw to construct a phishing URL, from which he could hijack the user's session. This could lead to information disclosure, or permit further possible attacks.
Which versions are affected by CVE-2016-8609?
2 open source packages ship an affected version, including org.keycloak:keycloak-core. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.keycloak:keycloak-core Maven | All versions | 2.3.0 |
org.keycloak:keycloak-core Maven | All versions | 2.3.0 |
Products include Redhat Keycloak.
How do I fix CVE-2016-8609?
Upgrade org.keycloak:keycloak-core to 2.3.0 or later.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2016-8609 being exploited?
There is no known exploitation of CVE-2016-8609 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-95m6-mjh3-58gm.