CVE-2023-0105: Medium severity red hat keycloak vulnerability
A flaw was found in Keycloak. This flaw allows impersonation and lockout due to the email trust not being handled correctly in Keycloak. An attacker can shadow other users with the same email and lockout or impersonate them.
Other sources
Impersonation and lockout are possible due to email trust not being handled correctly in Keycloak. Since the verified state is not reset when the email changes, it is possible for users to shadow others with the same email and lock out or impersonate them.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2023-0105?
CVE-2023-0105 is a vulnerability in Keycloak that allows impersonation and lockout due to email trust not being handled correctly.
How does CVE-2023-0105 affect Keycloak?
CVE-2023-0105 affects Keycloak by allowing users to impersonate and lock out others with the same email address.
What is the severity of CVE-2023-0105?
CVE-2023-0105 has a severity of medium with a CVSS score of 6.5.
How can I fix CVE-2023-0105 in Keycloak?
To fix CVE-2023-0105 in Keycloak, update to version 22.0.1 or later.
Where can I find more information about CVE-2023-0105?
You can find more information about CVE-2023-0105 in the references provided: https://bugzilla.redhat.com/show_bug.cgi?id=2158910, https://github.com/keycloak/keycloak/security/advisories/GHSA-c7xw-p58w-h6fj, https://github.com/keycloak/keycloak/commit/87a50d3ba790b049e436c9925874f9b418af7988