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CVE-2022-0567

ovn-kubernetes: Ingress network policy can be overruled by egress network policy on another pod

A flaw was found in ovn-kubernetes. This flaw allows a system administrator or privileged attacker to create an egress network policy that bypasses existing ingress policies of other pods in a cluster, allowing network traffic to access pods that should not be reachable. This issue results in information disclosure and other attacks on other pods that should not be reachable.

CVSS 3.1 · 9.1 Critical EPSS 1.0% KEV · Not listed
Vendors
Ovn Redhat
Products
Ovn-kubernetes Openshift
CVE-2021-3499

openshift/ovn-kubernetes: Egress Firewall does not reliably apply firewall rules

A vulnerability was found in OVN Kubernetes in versions up to and including 0.3.0 where the Egress Firewall does not reliably apply firewall rules when there is multiple DNS rules. It could lead to potentially lose of confidentiality, integrity or availability of a service.

CVSS 3.1 · 5.6 Medium EPSS < 1% KEV · Not listed
Vendors
Ovn Redhat
Products
Ovn-kubernetes Openshift