The login routine of the web console in the Zoom On-Premise Meeting Connector before version 4.6.239.20200613, Zoom On-Premise Meeting Connector MMR before version 4.6.239.20200613, Zoom On-Premise Recording Connector before version 3.8.42.20200905, Zoom On-Premise Virtual Room Connector before version 4.4.6344.20200612, and Zoom On-Premise Virtual Room Connector Load Balancer before version 2.5.5492.20200616 fails to validate that a NULL byte was sent while authenticating. This could lead to a crash of the login service.
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Zoom_on-premise_meeting_connector_controller | Zoom | * | 4.6.239.20200613 (excluding) |
| Zoom_on-premise_meeting_connector_mmr | Zoom | * | 4.6.239.20200613 (excluding) |
| Zoom_on-premise_recording_connector | Zoom | * | 3.8.42.20200905 (excluding) |
| Zoom_on-premise_virtual_room_connector | Zoom | * | 4.4.6344.20200612 (excluding) |
| Zoom_on-premise_virtual_room_connector_load_balancer | Zoom | * | 2.5.5492.20200616 (excluding) |