The Access Manager 92xx in hardware revision K7 is based on Linux instead of Windows CE embedded in older hardware revisions. In this new hardware revision it was noticed that an SSH service is exposed on port 22. By analyzing the firmware of the devices, it was noticed that there are two users wit…

The web server of the Access Manager offers a functionality to download a backup of the local database stored on the device. This database contains the whole configuration. This includes encrypted MIFARE keys, card data, user PINs and much more. The PINs are even stored unencrypted. Combined with t…

Instead of typical session tokens or cookies, it is verified on a per-request basis if the originating IP address has once successfully logged in. As soon as an authentication request from a certain source IP is successful, the IP address is handled as authenticated. No other session information is…

The web interface offers a functionality to export the internal SQLite database. After executing the database export, an automatic download is started and the device reboots. After rebooting, the exported database is deleted and cannot be accessed anymore. However, it was noticed that sometimes the…

The Access Manager is using the open source web server CompactWebServer written in C#. This web server is affected by a path traversal vulnerability, which allows an attacker to directly access files via simple GET requests without prior authentication. Hence, it is possible to retrieve all files…

The Access Manager is offering a trace functionality to debug errors and issues with the device. The trace functionality is implemented as a simple TCP socket. A tool called TraceClient.exe, provided by dormakaba via the Access Manager web interface, is used to connect to the socket and receive deb…

The exos 9300 application can be used to configure Access Managers (e.g. 92xx, 9230 and 9290). The configuration is done in a graphical user interface on the dormakaba exos server. As soon as the save button is clicked in exos 9300, the whole configuration is sent to the selected Access Manager via…

The default password for the extended admin user mode in the application U9ExosAdmin.exe ("Kaba 9300 Administration") is hard-coded in multiple locations as well as documented in the locally stored user documentation.

The program libraries (DLL) and binaries used by exos 9300 contain multiple hard-coded secrets. One notable example is the function "EncryptAndDecrypt" in the library Kaba.EXOS.common.dll. This algorithm uses a simple XOR encryption technique combined with a cryptographic key (cryptoKey) to transfo…

A local privilege escalation vulnerability has been identified in the Kaba exos 9300 System management application (d9sysdef.exe). Within this application it is possible to specify an arbitrary executable as well as the weekday and start time, when the specified executable should be run with SYSTEM…