Input validation error in Ingress-NGINX Controller for Kubernetes - CVE-2024-7646

 

Input validation error in Ingress-NGINX Controller for Kubernetes - CVE-2024-7646

Published: December 30, 2024


Vulnerability identifier: #VU102099
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2024-7646
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Kubernetes
Affected software:
Ingress-NGINX Controller for Kubernetes

Detailed vulnerability description

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

The vulnerability exists due to in the default configuration some credential has access to all secrets in the cluster.. A remote user with permission to create Ingress objects (in the `networking.k8s.io` or `extensions` API group) can bypass annotation validation to inject arbitrary commands and obtain the credentials of the ingress-nginx controller.


How to mitigate CVE-2024-7646

Install updates from vendor's website.

Sources