Access Control Bypass Affecting org.keycloak:keycloak-services package, versions [,7.0.0)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.07% (31st percentile)

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  • Snyk IDSNYK-JAVA-ORGKEYCLOAK-461005
  • published14 Aug 2019
  • disclosed10 Jul 2019
  • creditMarian Rehak

Introduced: 10 Jul 2019

CVE-2019-10201  (opens in a new tab)
CWE-285  (opens in a new tab)

How to fix?

Upgrade org.keycloak:keycloak-services to version 7.0.0 or higher.

Overview

org.keycloak:keycloak-services is an open source identity and access management solution for modern applications and services.

Affected versions of this package are vulnerable to Access Control Bypass. The SAML broker used within keycloak did not verify missing message signatures. As such, it is possible for an attacker to modify the SAML Response and remove the section and impersonate another user to gain unauthorized access. This is due to the SAML message is still accepted by the package after being tampered with.

CVSS Scores

version 3.1