Group Chat in BarracudaDrive Web Server before 3.8 allows remote authenticated users to cause a denial of service (crash) via a HTTP request to /eh/chat.ehintf/C. that does not contain a Connection ID, which results in a NULL pointer dereference.
https://exchange.xforce.ibmcloud.com/vulnerabilities/38974
http://www.securityfocus.com/archive/1/484833/100/0/threaded