SB2020050503 - Multiple vulnerabilities in Red Hat Keycloak



SB2020050503 - Multiple vulnerabilities in Red Hat Keycloak

Published: May 5, 2020

Security Bulletin ID SB2020050503
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Improper Authorization (CVE-ID: CVE-2020-10686)

The vulnerability allows a remote user to bypass authorization checks.

The vulnerability exists due to improper authorization checks where a malicious user registers as oneself. A remote administrator can use the remove devices form to post different credential IDs and possibly remove MFA devices for other users.


2) Information disclosure (CVE-ID: CVE-2020-1744)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists when configuring an Conditional OTP Authentication Flow as a post login flow of an IDP, the failure login events for OTP are not being sent to the brute force protection event queue. So BruteForceProtector does not handle this events. A remote attacker can gain unauthorized access to sensitive information on the system.


Remediation

Install update from vendor's website.