cloud-init: insecure transmission of EC2 instance data can lead to root privilege escalation

An privilege elevation vulnerability exists in Cloud-init before 0.7.0 when requests to an untrusted system are submitted for EC2 instance data.

obs-server before 1.7.7 allows logins by 'unconfirmed' accounts due to a bug in the REST api implementation.

(WPA-Enterprise): Verify that the certificate is from trusted CA and matches the specified subject

NetworkManager 0.9.x does not pin a certificate's subject to an ESSID when 802.11X authentication is used.