Cherokee Web Server 0.5.4 allows remote attackers to cause a denial of service (daemon crash) via an MS-DOS reserved word in a URI, as demonstrated by the AUX reserved word.
https://exchange.xforce.ibmcloud.com/vulnerabilities/53957
http://www.securitytracker.com/id?1023095
http://www.securityfocus.com/bid/36814
http://www.securityfocus.com/archive/1/507651/100/0/thread
http://www.securityfocus.com/archive/1/507456/100/0/threaded