includes/functions.php in ZoneMinder Video Server 1.24.0, 1.25.0, and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in the (1) runState parameter in the packageControl function; or (2) key or (3) command parameter in the setDeviceStatusX10 function.
http://www.zoneminder.com/forums/viewtopic.php?f=29&t=20771
http://www.openwall.com/lists/oss-security/2013/01/28/2
http://www.exploit-db.com/exploits/24310