Vulnerability identifier: #VU1017

Vulnerability 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

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Red Hat OpenShift Container Platform
Client/Desktop applications / Software for system administration

Vendor: Red Hat Inc.

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: 3.3, 3.2, 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.