Input validation error in Ingress-NGINX Controller for Kubernetes - CVE-2022-4886
Published: October 30, 2023
Vulnerability identifier: #VU82559
CSH Severity: High
CVSS v4: 8.7 [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]
CVE-ID: CVE-2022-4886
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to compromise the affected system.
The vulnerability exists due to insufficient validation of user-supplied input. A remote user who can create or update ingress objects can use directives to bypass the sanitization of the spec.rules[].http.paths[].path field of an Ingress object (in the networking.k8s.io or extensions API group) to obtain the credentials of the ingress-nginx controller.
Affected software
Ingress-NGINX Controller for Kubernetes
IBM InfoSphere Information Server
IBM InfoSphere Information Server
How to mitigate CVE-2022-4886
Install updates from vendor's website.
Ingress-NGINX Controller for Kubernetes - update to 1.8.0
IBM InfoSphere Information Server - update to 11.7.1.4 Service pack 2
IBM InfoSphere Information Server - update to 11.7.1.4 Service pack 2