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.

Multiple directory traversal vulnerabilities in BarracudaDrive Web Server before 3.8 allow (1) remote attackers to read arbitrary files via certain ..\ (dot dot backslash) sequences in the URL path, or (2) remote authenticated users to delete arbitrary files or create arbitrary directories via a ..\ (dot dot backslash) sequence in the dir parameter to /drive/c/bdusers/USER/.

BarracudaDrive Web Server before 3.8 allows remote attackers to read the source code for web scripts by appending a (1) + (plus), (2) . (dot), or (3) %80 and similar characters to the file name in the URL.

Cross-site scripting (XSS) vulnerability in BarracudaDrive Web Server before 3.8 allows remote attackers to inject arbitrary web script or HTML via the URI path in an HTTP GET request, which is activated by administrators viewing log files via the Trace page.