DeskNow Mail and Collaboration Server is a full-featured and integrated mail and instant messaging server, with webmail, secure instant messaging, document repository, shared calendars, address books, message boards, web-publishing, anti-spam features, Palm and PocketPC access and much more. A directory traversal vulnerability was found in DeskNow webmail file attachment upload feature that may be exploited to upload files to arbitrary locations on the server. A malicious webmail user may upload a JSP file to the script directory of the server, and executing it by requesting the URL of the upload JSP file. A second directory traversal vulnerability exists in the document repository file delete feature. This vulnerability may be exploited to delete arbitrary files on the server.

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