Incorrect permission assignment for critical resource in Red Hat OpenShift on IBM Cloud

1) Incorrect permission assignment for critical resource

EUVDB-ID: #VU68299

Risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-0532

CWE-ID: CWE-732 - Incorrect Permission Assignment for Critical Resource

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to incorrect sysctls validation in CRI-O. The sysctls from the list of "safe" sysctls specified for the cluster will be applied to the host if an attacker is able to create a pod with a hostIPC and hostNetwork kernel namespace.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Red Hat OpenShift on IBM Cloud: before 4.8.35 1550

CPE2.3

• cpe:2.3:a:ibm_corporation:red_hat_openshift_on_ibm_cloud:*:*:*:*:*:*:*:*

External links

https://www.ibm.com/support/pages/node/6842157

Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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