CVE-2023-0105: Keycloak allows impersonation and lockout due to email trust not being handled correctly

January 13, 2023 (updated October 6, 2023)

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.

References

access.redhat.com/security/cve/CVE-2023-0105
bugzilla.redhat.com/show_bug.cgi?id=2158910
github.com/advisories/GHSA-vhvq-jh34-3fc8
nvd.nist.gov/vuln/detail/CVE-2023-0105

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