CVE-2021-3586: Critical severity red hat openshift service mesh vulnerability
A flaw was found in servicemesh-operator. The NetworkPolicy resources installed for Maistra do not properly specify which ports may be accessed, allowing access to all ports on these resources from any pod. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Other sources
The NetworkPolicy resources installed for Maistra do not properly specify which ports may be accessed. This allows access to all ports on these resources from any pod.
For example, the ports for istiod are currently specified as:
spec: ingress: - ports: port: webhook
and should be specified as:
spec: ingress: ports: - port: webhook
Network policies applied to the following resources are affected: - istiod - grafana - kiali - prometheus - jaeger - galley - sidecar injector
Jira Issue: https://issues.redhat.com/browse/MAISTRA-2401
— Red Hat
Affected Software
Event History
Frequently Asked Questions
What is CVE-2021-3586?
CVE-2021-3586 is a vulnerability found in servicemesh-operator that allows access to all ports on NetworkPolicy resources installed for Maistra.
What is the severity level of CVE-2021-3586?
The severity level of CVE-2021-3586 is critical, with a score of 9.8 out of 10.
Which software is affected by CVE-2021-3586?
The servicemesh-operator version 2.0.5-3.el8, Redhat Openshift Service Mesh version 2.0, and Redhat Servicemesh-operator version 2.0.5.1 are affected by CVE-2021-3586.
How can I fix CVE-2021-3586?
To fix CVE-2021-3586, update the servicemesh-operator to version 2.0.5-3.el8 or higher.
Where can I find more information about CVE-2021-3586?
You can find more information about CVE-2021-3586 at the following references: [link1], [link2], [link3].