Vulnerability identifier: #VU97474
Vulnerability risk: Low
CVSSv3.1: 3.6 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-610
Exploitation vector: 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 gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application. A remote attacker that control the responses of MutatingWebhookConfiguration or ValidatingWebhookConfiguration requests is able to redirect kube-apiserver requests to private networks of the apiserver.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Kubernetes:
External links
http://groups.google.com/g/kubernetes-security-announce/c/RV2IhwcrQsY
http://github.com/kubernetes/kubernetes/issues/104720
http://security.netapp.com/advisory/ntap-20211014-0002/
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.