Description
A flaw was found in the Keycloak package, more specifically org.keycloak.userprofile. When a user registers itself through registration flow, the "password" and "password-confirm" field from the form will occur as regular user attributes. All users and clients with proper rights and roles are able to read users attributes, allowing a malicious user with minimal access to retrieve the users passwords in clear text, jeopardizing their environment.
Remediation
References
https://access.redhat.com/security/cve/CVE-2023-4918
https://bugzilla.redhat.com/show_bug.cgi?id=2238588
https://github.com/keycloak/keycloak/security/advisories/GHSA-5q66-v53q-pm35
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