Denial of service in Red Hat OpenShift Virtualization

1) Input validation error

EUVDB-ID: #VU61599

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-2022-21698

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 within method label cardinality. 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

kubevirt (Red Hat package): 4.8.3-251.el7 - 4.8.5-278.el8

OpenShift Virtualization: 4.10.0

CPE2.3

• cpe:2.3:a:red_hat:kubevirt_redhat_package:4.8.3-251.el7:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:kubevirt_redhat_package:4.8.3-251.el8:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:kubevirt_redhat_package:4.8.5-278.el7:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:openshift_virtualization:4.10.0:*:*:*:*:red_hat_openshift_container_platform:*:*

External links

https://access.redhat.com/errata/RHSA-2022:4667

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.