SB2018113010 - Improper Authentication in Keycloak



SB2018113010 - Improper Authentication in Keycloak

Published: November 30, 2018 Updated: August 8, 2020

Security Bulletin ID SB2018113010
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper Authentication (CVE-ID: CVE-2018-14637)

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The SAML broker consumer endpoint in Keycloak before version 4.6.0.Final ignores expiration conditions on SAML assertions. An attacker can exploit this vulnerability to perform a replay attack.


Remediation

Install update from vendor's website.