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Elber Wayber Analog/Digital Audio STL 4.00 Device Config

Critical
Advisory ID
ZSL-2024-5823
Release Date
17 April 2024
Vendor
Elber S.r.l. - https://www.elber.it
Affected Version
Version 3.0.0 Revision 1553 (Firmware Ver. 4.00 Rev. 1501), Version 3.0.0 Revision 1542 (Firmware Ver. 4.00 Rev. 1516), Version 3.0.0 Revision 1530 (Firmware Ver. 4.00 Rev. 1516), Version 3.0.0 Revision 1530 (Firmware Ver. 4.00 Rev. 1501), Version 3.0.0 Revision 1480 (Firmware Ver. 3.00 Rev. 1350), Version 3.0.0 Revision 1480 (Firmware Ver. 3.00 Rev. 1342), Version 1.0.0 Revision 1202 (Firmware Ver. 2.00 Rev. 2131)
CVE
N/A
Tested On
NBFM Controller, embOS/IP
Summary

Wayber II is the name of an analogue/digital microwave link able to transport a Mono or a MPX stereo signal from studio to audio transmitter. Compact and reliable, it features very high quality and modern technology both in signal processing and microwave section leading to outstanding performances.

Description

The device suffers from an unauthenticated device configuration and client-side hidden functionality disclosure.

Proof of Concept
elber_wayber_idor.txtTXT
Disclosure Timeline
18.08.2023Vulnerability discovered.
20.08.2023Vendor contacted.
29.09.2023No response from the vendor.
09.12.2023Vendor contacted.
02.02.2024No response from the vendor.
16.03.2024Vendor contacted.
16.04.2024No response from the vendor.
17.04.2024Public security advisory released.
Credits
Vulnerability discovered by Gjoko Krstic
References
[1]https://packetstormsecurity.com/files/178143/Elber-Wayber-Analog-Digital-Audio-STL-4.00-Insecure-Direct-Object-Reference.html
[2]https://cxsecurity.com/issue/WLB-2024040053
[3]https://www.exploit-db.com/exploits/52072
Changelog
17.04.2024Initial release
22.05.2024Added reference [1] and [2]
18.09.2024Added reference [3]