CVE-2020-28055

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.
References
Link Resource
https://github.com/sickcodes/security/blob/master/advisories/SICK-2020-012.md Exploit Third Party Advisory
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/ Exploit Third Party Advisory
https://sick.codes/sick-2020-012 Exploit Third Party Advisory
https://support.tcl.com/vulnerabilities-found-in-tcl-android-tvs Vendor Advisory
https://twitter.com/johnjhacking/ Third Party Advisory
https://twitter.com/sickcodes/ Third Party Advisory
https://github.com/sickcodes/security/blob/master/advisories/SICK-2020-012.md Exploit Third Party Advisory
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/ Exploit Third Party Advisory
https://sick.codes/sick-2020-012 Exploit Third Party Advisory
https://support.tcl.com/vulnerabilities-found-in-tcl-android-tvs Vendor Advisory
https://twitter.com/johnjhacking/ Third Party Advisory
https://twitter.com/sickcodes/ Third Party Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:tcl:32s330_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:tcl:32s330:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
cpe:2.3:o:tcl:40s330_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:tcl:40s330:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
cpe:2.3:o:tcl:43s434_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:tcl:43s434:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
cpe:2.3:o:tcl:50s434_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:tcl:50s434:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
cpe:2.3:o:tcl:55s434_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:tcl:55s434:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
cpe:2.3:o:tcl:65s434_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:tcl:65s434:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
cpe:2.3:o:tcl:75s434_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:tcl:75s434:-:*:*:*:*:*:*:*

History

21 Nov 2024, 05:22

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

Information

Published : 2020-11-10 18:15

Updated : 2024-11-21 05:22


NVD link : CVE-2020-28055

Mitre link : CVE-2020-28055

CVE.ORG link : CVE-2020-28055


JSON object : View

Products Affected

tcl

  • 43s434
  • 50s434
  • 32s330
  • 40s330
  • 75s434
  • 55s434
  • 65s434_firmware
  • 43s434_firmware
  • 50s434_firmware
  • 55s434_firmware
  • 65s434
  • 40s330_firmware
  • 32s330_firmware
  • 75s434_firmware
CWE
CWE-732

Incorrect Permission Assignment for Critical Resource