Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.14

Published: 2024-01-18

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-6476 CVE-2023-47108
CWE-ID	CWE-264 CWE-400
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Red Hat OpenShift Container Platform Client/Desktop applications / Software for system administration containernetworking-plugins (Red Hat package) Operating systems & Components / Operating system package or component openshift-clients (Red Hat package) Operating systems & Components / Operating system package or component openshift (Red Hat package) Operating systems & Components / Operating system package or component kernel-rt (Red Hat package) Operating systems & Components / Operating system package or component kernel (Red Hat package) Operating systems & Components / Operating system package or component cri-o (Red Hat package) Operating systems & Components / Operating system package or component catch (Red Hat package) Operating systems & Components / Operating system package or component
Vendor	Red Hat Inc.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU85580

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-6476

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

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

The vulnerability exists due to unchecked access to an experimental annotation. A remote user can use the cgroupv2 and perform a denial of service (DoS) attack by consuming all available memory resources.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.14.0 - 4.14.8

containernetworking-plugins (Red Hat package): before 1.4.0-1.rhaos4.14.el8

openshift-clients (Red Hat package): before 4.14.0-202401040833.p0.g286cfa5.assembly.stream.el9

openshift (Red Hat package): before 4.14.0-202401041534.p0.g5c56cc3.assembly.stream.el9

kernel-rt (Red Hat package): before 5.14.0-284.48.1.rt14.333.el9_2

kernel (Red Hat package): before 5.14.0-284.48.1.el9_2

cri-o (Red Hat package): before 1.27.2-7.rhaos4.14.git1cc7a64.el9

catch (Red Hat package): before 3.5.1-1.el9

External links

http://access.redhat.com/errata/RHSA-2024:0207

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.

2) Resource exhaustion

EUVDB-ID: #VU84507