Format string vulnerability in Easy Address Book Web Server 1.2 allows remote attackers to cause a denial of service (crash) or "compromise the server" via encoded format string specifiers in the query string.
https://exchange.xforce.ibmcloud.com/vulnerabilities/28752
http://www.securityfocus.com/bid/19842
http://www.securityfocus.com/archive/1/445262/100/0/threaded