OpenShift Container Platform 4.11 update for Go

1) Input validation error

EUVDB-ID: #VU66121

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-32189

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in
Float.GobDecode. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.11.0 - 4.11.15

openvswitch2.17 (Red Hat package): before 2.17.0-62.el8fdp

openshift-kuryr (Red Hat package): before 4.11.0-202211072116.p0.g93daed6.assembly.stream.el8

openshift-clients (Red Hat package): before 4.11.0-202211072116.p0.g142cb44.assembly.stream.el8

openshift-ansible (Red Hat package): before 4.11.0-202211072116.p0.gdf73941.assembly.stream.el8

openshift (Red Hat package): before 4.11.0-202211072116.p0.g5157800.assembly.stream.el8

butane (Red Hat package): before 0.15.0-3.rhaos4.11.el8

atomic-openshift-service-idler (Red Hat package): before 4.11.0-202211072116.p0.ga0f9090.assembly.stream.el8

CPE2.3

• cpe:2.3:a:red_hat:red_hat_openshift_container_platform:4.11.15:*:*:*:*:*:*:*
• cpe:2.3:a:red_hat:openvswitch2.17_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:openshift-kuryr_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:openshift-clients_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:openshift-ansible_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:openshift_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:butane_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:atomic-openshift-service-idler_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*

External links

https://access.redhat.com/errata/RHSA-2022:8534

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.