openstack-nova: timing attack issue allows access to other instances' configuration information

A side-channel timing attack flaw was found in Nova. An attacker could possibly use this flaw to guess valid instance ID signatures, giving them access to details of another instance, by analyzing the response times of requests for instance metadata. This issue only affected configurations that...

Fedora 16 : cloud-init-0.6.3-0.5.bzr532.fc16 (2012-14189)

This update changes the URL that cloud-init uses as a fallback for instance metadata when http://169.254.169.254/ is not reachable from http://instance-data:8773/ to http://instance-data.:8773/ . It also fixes two systemd-related bugs. Note that the former will require DNS server reconfiguration ...

Fedora 18 : cloud-init-0.6.3-0.5.bzr532.fc18 (2012-13972)

This update changes the URL that cloud-init uses as a fallback for instance metadata when http://169.254.169.254/ is not reachable from http://instance-data:8773/ to http://instance-data.:8773/ . It also fixes two systemd-related bugs. Note that the former will require DNS server reconfiguration ...