Concurrent Versions Software (CVS) uses predictable temporary file names for locking, which allows local users to cause a denial of service by creating the lock directory before it is created for use by a legitimate CVS user.Referenceshttp://www.securityfocus.com/frames/?content=/templates/archive.pike%3Flist%3D1%26msg%3D20000423174038.A520%40clico.plhttp://www.securityfocus.com/bid/1136