Insufficiently protected credentials in Keycloak - CVE-2019-3868

 

Insufficiently protected credentials in Keycloak - CVE-2019-3868

Published: October 10, 2019


Vulnerability identifier: #VU21706
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-3868
CWE-ID: CWE-522
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Keycloak
Affected software:
Keycloak

Detailed vulnerability description

The vulnerability allows a remote attacker to hijack user's session.

The vulnerability exists due to software may use the end user token (access or id token JWT) as a session cookie for browser sessions for OIDC. A remote attacker that has access to the service provider backend can hijack the user's browser session and gain unauthorized access to the application.


How to mitigate CVE-2019-3868

Install updates from vendor's website.

Sources