Vulnerability identifier: #VU26473
Vulnerability risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-789
Exploitation vector: Local network
Exploit availability: No
Vulnerable software:
Kubernetes
Server applications /
Frameworks for developing and running applications
Vendor: Kubernetes
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists in the Kubelet component due to improper allocation of memory in the kubelet API, including the unauthenticated HTTP read-only API typically served on port 10255, and the authenticated HTTPS API typically served on port 10250. A remote attacker on the local network can cause a denial of service condition on the target system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Kubernetes: 1.15.0 - 1.15.9, 1.16.0 - 1.16.6, 1.17.0 - 1.17.2
External links
http://github.com/kubernetes/kubernetes/issues/89377
http://groups.google.com/forum/#!topic/kubernetes-security-announce/2UOlsba2g0s
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.