Red Hat Enterprise Virtualization Manager (RHEVM) before 3.2 does not properly check permissions for the target storage domain, which allows attackers to cause a denial of service (disk space consumption) by cloning a VM from a snapshot.

A flaw was found in the way MoveDisk command checks permissions on target storage domain. A privileged user (storage admin of other storage domain) can use this flaw to conduct denial of service attack on the target domain by exhausting the available free space.

Acknowledgements:

This issue was discovered by Ondrej Machacek of Red Hat.

The domain management tool (rhevm-manage-domains) in Red Hat Enterprise Virtualization Manager (RHEV-M) 3.1 and earlier, when the validate action is enabled, logs the administrative password to a world-readable log file, which allows local users to obtain sensitive information by reading this file.