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CVE-2020-27402

Description

The HK1 Box S905X3 TV Box contains a vulnerability that allows a local unprivileged user to escalate to root using the /system/xbin/su binary via a serial port (UART) connection or using adb.

POC

Reference

- https://github.com/sickcodes/security/blob/master/advisories/SICK-2020-004.md

- https://sick.codes/sick-2020-004/

- https://threatpost.com/authentication-bug-android-smart-tv-data-theft/160025/

- https://www.cybersecurity-help.cz/vdb/SB2020101404

- https://www.securitylab.ru/news/513051.php

Github

- https://github.com/n0-traces/cve_monitor