Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.10

Published: 2022-03-21

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-44717 CVE-2021-44716
CWE-ID	CWE-400 CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	openshift-ansible (Red Hat package) Operating systems & Components / Operating system package or component runc (Red Hat package) Operating systems & Components / Operating system package or component openshift-clients (Red Hat package) Operating systems & Components / Operating system package or component containernetworking-plugins (Red Hat package) Operating systems & Components / Operating system package or component Red Hat OpenShift Container Platform Client/Desktop applications / Software for system administration
Vendor	Red Hat Inc.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Resource exhaustion

EUVDB-ID: #VU59042

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-44717

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability exists due to application does not properly control consumption of internal resources when processing HTTP/2 requests. A remote attacker can send multiple HTTP/2 requests to the server and exhaust all available memory resources.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

openshift-ansible (Red Hat package): 4.10.0-202202110258.p0.g25af5a6.assembly.stream.el7

runc (Red Hat package): 1.1.0-1.rhaos4.10.el8

openshift-clients (Red Hat package): 4.10.0-202202160023.p0.gf93da17.assembly.stream.el7 - 4.10.0-202202160023.p0.gf93da17.assembly.stream.el8

containernetworking-plugins (Red Hat package): 0.9.1-1.rhaos4.10.el8

Red Hat OpenShift Container Platform: 4.10 - 4.10.4

External links

http://access.redhat.com/errata/RHSA-2022:0927

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.

2) Input validation error

EUVDB-ID: #VU58824