Ruby gem openshift-origin-node before 2014-02-14 does not contain a cronjob timeout which could result in a denial of service in cron.daily and cron.weekly.
cartridge_repository.rb in OpenShift Origin and Enterprise 1.2.8 through 2.1.1 allows remote attackers to execute arbitrary commands via shell metacharacters in a Source-Url ending with a (1) .tar.gz, (2) .zip, (3) .tgz, or (4) .tar file extension in a cartridge manifest file.