The MagicJack device, a VoIP solution for internet phone calls, contains a hidden NAND flash memory partition allowing unauthorized read/write access. Attackers can exploit this by replacing the original software with a malicious version, leading to ransomware deployment on the host computer. Affected devices have firmware versions prior to magicJack A921 USB Phone Jack Rev 3.0 V1.4.
The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.
| Link | Tags |
|---|---|
| https://www.magicjack.com/ | product |
| https://pastebin.com/raw/irWcawp8 | third party advisory |
| https://drive.google.com/drive/folders/1cKd8hksThK610GPtBQ3du8DEkwKywlAi?usp=sharing | exploit |
| https://samuraisecurity.co.uk/red-teaming-0x01-click-rce-via-voip-usb/ | third party advisory exploit technical description |