It was found that Keycloak's SAML broker, versions up to 6.0.1, did not verify missing message signatures. If an attacker modifies the SAML Response and removes the <Signature> sections, the message is still accepted, and the message can be modified. An attacker could use this flaw to impersonate other users and gain access to sensitive information.
oryginał ENCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:NRed Hat Keycloak
APPRedhat≤ 6.0.1Red Hat Single Sign On
APPRedhat7.07.3.3
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