openEuler update for kubernetes

1) Input validation error

EUVDB-ID: #VU79792

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-2021-25743

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. 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 repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS

kubernetes-master: before 1.20.2-15

kubernetes-help: before 1.20.2-15

kubernetes-kubelet: before 1.20.2-15

kubernetes-client: before 1.20.2-15

kubernetes-kubeadm: before 1.20.2-15

kubernetes-node: before 1.20.2-15

kubernetes: before 1.20.2-15

CPE2.3

• cpe:2.3:o:openeuler:openeuler:20.03:LTS SP1:*:*:*:*:*:*
• cpe:2.3:o:openeuler:openeuler:20.03:LTS SP3:*:*:*:*:*:*
• cpe:2.3:o:openeuler:openeuler:22.03:LTS:*:*:*:*:*:*
• cpe:2.3:o:openeuler:kubernetes-master:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:kubernetes-help:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:kubernetes-kubelet:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:kubernetes-client:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:kubernetes-kubeadm:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:kubernetes-node:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:kubernetes:*:*:*:*:*:openeuler:*:*

External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-2132

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.