github.com/openshift/origin is vulnerable to Man-in-the-Middle (MitM) attack. It fails to validate the SSH host key for SSH authentication during the builds, allowing a attacker who can redirect the traffic to compromise the resulting build output.
access.redhat.com/errata/RHSA-2019:2989
access.redhat.com/errata/RHSA-2019:3007
access.redhat.com/errata/RHSA-2019:3143
access.redhat.com/errata/RHSA-2019:3811
access.redhat.com/security/cve/CVE-2019-10150
bugzilla.redhat.com/show_bug.cgi?id=1713433
bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10150
docs.openshift.com/container-platform/3.11/dev_guide/builds/build_inputs.html#source-secrets-ssh-key-authentication
github.com/openshift/origin/blob/release-3.11/pkg/build/builder/cmd/scmauth/sshkey.go#L26-L28