SB2019081436 - Improper Authentication in Keycloak
Published: August 14, 2019 Updated: August 27, 2019
Security Bulletin ID
SB2019081436
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Authentication (CVE-ID: CVE-2019-10201)
CWE-ID: CWE-287 - Improper Authentication
CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to the Security Assertion Markup Language (SAML) broker does not properly parse messages. A remote attacker can send a specially crafted SAML request, bypass authentication process and gain unauthorized access to the application.
Remediation
Install update from vendor's website.