CVE-2020-28055 Information

Description

A vulnerability in the TCL Android Smart TV series V8-R851T02-LF1 V295 and below and V8-T658T01-LF1 V373 and below by TCL Technology Group Corporation allows a local unprivileged attacker such as a malicious App to read & write to the /data/vendor/tcl /data/vendor/upgrade and /var/TerminalManager directories within the TV file system. An attacker such as a malicious APK or local unprivileged user could perform fake system upgrades by writing to the /data/vendor/upgrage folder.

Reference

https://github.com/sickcodes/security/blob/master/advisories/SICK-2020-012.md https://sick.codes/extraordinary-vulnerabilities-discovered-in-tcl-android-tvs-now-worlds-3rd-largest-tv-manufacturer/ https://sick.codes/sick-2020-012 https://twitter.com/johnjhacking/ https://twitter.com/sickcodes/