An issue was discovered in Znuny and Znuny LTS 6.0.31 through 6.5.7 and Znuny 7.0.1 through 7.0.16 where a logged-in user can upload a file (via a manipulated AJAX Request) to an arbitrary writable location by traversing paths. Arbitrary code can be executed if this location is publicly available through the web server.

An issue was discovered in Znuny 7.0.1 through 7.0.16 where the ticket detail view in the customer front allows the execution of external JavaScript.

An issue was discovered in Znuny LTS 6.5.1 through 6.5.7 and Znuny 7.0.1 through 7.0.16 where a logged-in agent is able to inject SQL in the draft form ID parameter of an AJAX request.

An issue was discovered in Znuny through 7.1.3. If access to a ticket is not given, the content of S/MIME encrypted e-mail messages is visible to users with access to the CommunicationLog.

An issue was discovered in Znuny through 7.1.3. A cookie is set without the HttpOnly flag.

An Eval Injection issue was discovered in Znuny through 7.1.3. A user with write access to the configuration file can use this to execute a command executed by the user running the backup.pl script.

An issue was discovered in Znuny before 7.1.4. Permissions are not checked properly when using the Generic Interface to update ticket metadata.

An issue was discovered in Znuny before 7.1.5. When generating a support bundle, not all passwords are masked.

An issue was discovered in Znuny through 6.5.14 and 7.x through 7.1.6. Custom AJAX calls to the AgentPreferences UpdateAJAX subaction can be used to set user preferences with arbitrary keys. When fetching user data via GetUserData, these keys and values are retrieved and given as a whole to other function calls, which then might use these keys/values to affect permissions or other settings.