Vulnerability identifier: #VU62076

Vulnerability risk: Low

CVSSv3.1: 3 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-0567

CWE-ID: CWE-254

Exploitation vector: Local

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 local user to bypass implemented security restrictions.

The vulnerability exists in ovn-kubernetes on a Kubernetes or OpenShift cluster. A local privileged user can create an egress network policy that bypasses existing an ingress policy, which allows network traffic to access pods that should not be reachable.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.10 - 4.10.6, 4.9.0 - 4.9.26, 4.8.0 - 4.8.35, 4.7.0 - 4.7.46

---

External links
http://access.redhat.com/errata/RHSA-2022:1162
http://access.redhat.com/errata/RHSA-2022:1158
http://access.redhat.com/errata/RHSA-2022:1166
http://access.redhat.com/errata/RHSA-2022:1154
http://bugzilla.redhat.com/show_bug.cgi?id=2053326

---

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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