Improper Authentication in Keycloak



Published: 2019-08-14 | Updated: 2019-08-27
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-10201
CWE-ID CWE-287
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Keycloak
Server applications / Directory software, identity management

Vendor Keycloak

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Improper Authentication

EUVDB-ID: #VU20413

Risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-10201

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Keycloak: 0.6.0 - 6.0.1

External links

http://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10201


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###