CVE-2020-28055
First published: Tue Nov 10 2020(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Tcl 32s330 Firmware | <v8-r851t10-lf1v091 | |
| Tcl 32s330 | ||
| Tcl 40s330 Firmware | <v8-r851t10-lf1v091 | |
| Tcl 40s330 | ||
| Tcl 43s434 Firmware | <v8-r851t02-lf1v440 | |
| Tcl 43s434 | ||
| Tcl 50s434 Firmware | <v8-r851t02-lf1v440 | |
| Tcl 50s434 | ||
| Tcl 55s434 Firmware | <v8-r851t02-lf1v440 | |
| Tcl 55s434 | ||
| Tcl 65s434 Firmware | <v8-r851t02-lf1v440 | |
| Tcl 65s434 | ||
| Tcl 75s434 Firmware | <v8-r851t02-lf1v440 | |
| Tcl 75s434 |
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Reference Links
- https://github.com/sickcodes/security/blob/master/advisories/SICK-2020-012.md
- https://github.com/sickcodes/security/blob/master/etc/CVE-2020-27403_CVE-2020-28055_GlobalFAQ.pdf
- https://github.com/sickcodes/security/blob/master/etc/CVE-2020-27403_CVE-2020-28055_Press-Statement-and-Questions_11162020.pdf
- https://securityledger.com/2020/11/security-holes-opened-back-door-to-tcl-android-smart-tvs/
- https://securityledger.com/2020/11/tv-maker-tcl-denies-back-door-promises-better-process/
- https://sick.codes/extraordinary-vulnerabilities-discovered-in-tcl-android-tvs-now-worlds-3rd-largest-tv-manufacturer/
- https://sick.codes/sick-2020-012
- https://support.tcl.com/vulnerabilities-found-in-tcl-android-tvs
- https://twitter.com/johnjhacking/
- https://twitter.com/sickcodes/
- collector/nvd-index
- agent/weakness
- agent/severity
- agent/references
- agent/author
- agent/type
- agent/tags
- agent/event
- agent/description
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- collector/mitre-cve
- source/MITRE
- vendor/tcl
- canonical/tcl 32s330 firmware
- canonical/tcl 32s330
- canonical/tcl 40s330 firmware
- canonical/tcl 40s330
- canonical/tcl 43s434 firmware
- canonical/tcl 43s434
- canonical/tcl 50s434 firmware
- canonical/tcl 50s434
- canonical/tcl 55s434 firmware
- canonical/tcl 55s434
- canonical/tcl 65s434 firmware
- canonical/tcl 65s434
- canonical/tcl 75s434 firmware
- canonical/tcl 75s434