7.8

CVE-2020-28055

Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Tcl ≫ 32s330 Firmware Version < v8-r851t10-lf1v091
   Tcl ≫ 32s330 Version-
Tcl ≫ 40s330 Firmware Version < v8-r851t10-lf1v091
   Tcl ≫ 40s330 Version-
Tcl ≫ 43s434 Firmware Version < v8-r851t02-lf1v440
   Tcl ≫ 43s434 Version-
Tcl ≫ 50s434 Firmware Version < v8-r851t02-lf1v440
   Tcl ≫ 50s434 Version-
Tcl ≫ 55s434 Firmware Version < v8-r851t02-lf1v440
   Tcl ≫ 55s434 Version-
Tcl ≫ 65s434 Firmware Version < v8-r851t02-lf1v440
   Tcl ≫ 65s434 Version-
Tcl ≫ 75s434 Firmware Version < v8-r851t02-lf1v440
   Tcl ≫ 75s434 Version-
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.5% 0.388
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 7.2 3.9 10
AV:L/AC:L/Au:N/C:C/I:C/A:C
CWE-732 Incorrect Permission Assignment for Critical Resource

The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.

https://github.com/sickcodes/security/blob/master/etc/CVE-2020-27403_CVE-2020-28055_GlobalFAQ.pdf
Third Party Advisory
https://github.com/sickcodes/security/blob/master/etc/CVE-2020-27403_CVE-2020-28055_Press-Statement-and-Questions_11162020.pdf
Third Party Advisory
https://securityledger.com/2020/11/security-holes-opened-back-door-to-tcl-android-smart-tvs/
Third Party Advisory
https://securityledger.com/2020/11/tv-maker-tcl-denies-back-door-promises-better-process/
Third Party Advisory
https://sick.codes/extraordinary-vulnerabilities-discovered-in-tcl-android-tvs-now-worlds-3rd-largest-tv-manufacturer/
Third Party Advisory
Exploit
https://support.tcl.com/vulnerabilities-found-in-tcl-android-tvs
Vendor Advisory
https://github.com/sickcodes/security/blob/master/advisories/SICK-2020-012.md
Third Party Advisory
Exploit
https://sick.codes/sick-2020-012
Third Party Advisory
Exploit
https://twitter.com/johnjhacking/
Third Party Advisory
https://twitter.com/sickcodes/
Third Party Advisory