CVE-2019-10201 Information

Description

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10201

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

NONE

Base Severity

8.1