Authentication bypass in Red Hat OpenShift Container Platform

1) Authentication bypass

EUVDB-ID: #VU1017

Risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-7075

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote unauthenticated user to bypass authentication on the target system.
The weakness is due to insufficient validation of X.509 client intermediate certificate hostname fields. By sending a specially crafted X.509 certificate to be processed, attackers can avoid authentication and access the system.
Succesful exploitation of the vulnerability may lead to further consequences or attacks.

Mitigation

Update to version 3.4.

Vulnerable software versions

Red Hat OpenShift Container Platform: 3.1 - 3.3

CPE2.3

• cpe:2.3:a:red_hat:red_hat_openshift_container_platform:3.3:*:*:*:*:*:*:*
• cpe:2.3:a:red_hat:red_hat_openshift_container_platform:3.2:*:*:*:*:*:*:*
• cpe:2.3:a:red_hat:red_hat_openshift_container_platform:3.1:*:*:*:*:*:*:*

External links

http://access.redhat.com/security/cve/CVE-2016-7075

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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