Denial of service in OpenShift Container Platform 4.11

1) Allocation of Resources Without Limits or Throttling

EUVDB-ID: #VU82923

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-3153

CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling

Exploit availability: No

Description

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

The vulnerability exists due to improper rate limitation in the service monitor MAC. A remote attacker can perform a denial of service attack against deployments with CoPP enabled and properly configured.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.11.0 - 4.11.52

skopeo (Red Hat package): before 1.5.2-4.1.rhaos4.11.el8

runc (Red Hat package): before 1.1.2-2.1.rhaos4.11.el8

python-eventlet (Red Hat package): before 0.30.2-3.el8

podman (Red Hat package): before 4.0.2-7.1.rhaos4.11.el8

ovn22.12 (Red Hat package): before 22.12.1-18.el8fdp

openshift-clients (Red Hat package): before 4.11.0-202310251925.p0.gbbc7c58.assembly.stream.el8

openshift (Red Hat package): before 4.11.0-202310201801.p0.gc70bea0.assembly.stream.el8

kernel-rt (Red Hat package): before 4.18.0-372.78.1.rt7.237.el8_6

kernel (Red Hat package): before 4.18.0-372.78.1.el8_6

kata-containers (Red Hat package): before 3.0.2-9.rhaos4.11.el8

ignition (Red Hat package): before 2.14.0-5.1.rhaos4.11.el8

cri-tools (Red Hat package): before 1.24.2-7.1.el8

cri-o (Red Hat package): before 1.24.6-4.1.rhaos4.11.git4bfe15a.el8

containernetworking-plugins (Red Hat package): before 1.0.1-7.1.rhaos4.11.el8

conmon (Red Hat package): before 2.1.2-4.1.rhaos4.11.el8

butane (Red Hat package): before 0.15.0-3.1.rhaos4.11.el8

buildah (Red Hat package): before 1.23.4-3.1.rhaos4.11.el8

External links

http://access.redhat.com/errata/RHSA-2023:6274

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.