vserver in util-vserver 0.30.209 executes a command as root when the suexec userid parameter is invalid and non-numeric, which might cause local users to inadvertently execute dangerous commands as root.Referenceshttps://savannah.nongnu.org/patch/?func=detailitem&item_id=4966http://www.securityfocus.com/bid/17361https://savannah.nongnu.org/bugs/?func=detailitem&item_id=15996http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=360438
