Security restrictions bypass in OpenShift Container Platform 4.8

1) Security features bypass

EUVDB-ID: #VU62076

Risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-0567

CWE-ID: CWE-254 - Security Features

Exploit availability: No

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: before 4.8.36

CPE2.3

• cpe:2.3:a:red_hat:red_hat_openshift_container_platform:*:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2022:1154

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.