CVE-2020-28055
TCL Android Smart TV File System Escalation of Privileges
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.
INFO
Published Date :
Nov. 10, 2020, 6:15 p.m.
Last Modified :
Dec. 8, 2020, 6:38 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
Affected Products
The following products are affected by CVE-2020-28055
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-28055.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-28055 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-28055 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Dec. 08, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://github.com/sickcodes/security/blob/master/advisories/SICK-2020-012.md No Types Assigned https://github.com/sickcodes/security/blob/master/advisories/SICK-2020-012.md Exploit, Third Party Advisory Changed Reference Type https://github.com/sickcodes/security/blob/master/etc/CVE-2020-27403_CVE-2020-28055_GlobalFAQ.pdf No Types Assigned https://github.com/sickcodes/security/blob/master/etc/CVE-2020-27403_CVE-2020-28055_GlobalFAQ.pdf Third Party Advisory Changed Reference Type https://github.com/sickcodes/security/blob/master/etc/CVE-2020-27403_CVE-2020-28055_Press-Statement-and-Questions_11162020.pdf No Types Assigned https://github.com/sickcodes/security/blob/master/etc/CVE-2020-27403_CVE-2020-28055_Press-Statement-and-Questions_11162020.pdf Third Party Advisory Changed Reference Type https://securityledger.com/2020/11/security-holes-opened-back-door-to-tcl-android-smart-tvs/ No Types Assigned https://securityledger.com/2020/11/security-holes-opened-back-door-to-tcl-android-smart-tvs/ Third Party Advisory Changed Reference Type https://securityledger.com/2020/11/tv-maker-tcl-denies-back-door-promises-better-process/ No Types Assigned https://securityledger.com/2020/11/tv-maker-tcl-denies-back-door-promises-better-process/ Third Party Advisory Changed Reference Type https://sick.codes/extraordinary-vulnerabilities-discovered-in-tcl-android-tvs-now-worlds-3rd-largest-tv-manufacturer/ No Types Assigned https://sick.codes/extraordinary-vulnerabilities-discovered-in-tcl-android-tvs-now-worlds-3rd-largest-tv-manufacturer/ Exploit, Third Party Advisory Changed Reference Type https://sick.codes/sick-2020-012 No Types Assigned https://sick.codes/sick-2020-012 Exploit, Third Party Advisory Changed Reference Type https://support.tcl.com/vulnerabilities-found-in-tcl-android-tvs No Types Assigned https://support.tcl.com/vulnerabilities-found-in-tcl-android-tvs Vendor Advisory Changed Reference Type https://twitter.com/johnjhacking/ No Types Assigned https://twitter.com/johnjhacking/ Third Party Advisory Changed Reference Type https://twitter.com/sickcodes/ No Types Assigned https://twitter.com/sickcodes/ Third Party Advisory Added CWE NIST CWE-732 Added CPE Configuration AND OR *cpe:2.3:o:tcl:32s330_firmware:*:*:*:*:*:*:*:* versions up to (excluding) v8-r851t10-lf1v091 OR cpe:2.3:h:tcl:32s330:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:tcl:40s330_firmware:*:*:*:*:*:*:*:* versions up to (excluding) v8-r851t10-lf1v091 OR cpe:2.3:h:tcl:40s330:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:tcl:43s434_firmware:*:*:*:*:*:*:*:* versions up to (excluding) v8-r851t02-lf1v440 OR cpe:2.3:h:tcl:43s434:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:tcl:50s434_firmware:*:*:*:*:*:*:*:* versions up to (excluding) v8-r851t02-lf1v440 OR cpe:2.3:h:tcl:50s434:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:tcl:55s434_firmware:*:*:*:*:*:*:*:* versions up to (excluding) v8-r851t02-lf1v440 OR cpe:2.3:h:tcl:55s434:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:tcl:65s434_firmware:*:*:*:*:*:*:*:* versions up to (excluding) v8-r851t02-lf1v440 OR cpe:2.3:h:tcl:65s434:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:tcl:75s434_firmware:*:*:*:*:*:*:*:* versions up to (excluding) v8-r851t02-lf1v440 OR cpe:2.3:h:tcl:75s434:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Dec. 07, 2020
Action Type Old Value New Value Added Reference https://securityledger.com/2020/11/tv-maker-tcl-denies-back-door-promises-better-process/ [No Types Assigned] Added Reference https://securityledger.com/2020/11/security-holes-opened-back-door-to-tcl-android-smart-tvs/ [No Types Assigned] Added Reference https://github.com/sickcodes/security/blob/master/etc/CVE-2020-27403_CVE-2020-28055_Press-Statement-and-Questions_11162020.pdf [No Types Assigned] Added Reference https://support.tcl.com/vulnerabilities-found-in-tcl-android-tvs [No Types Assigned] Added Reference https://github.com/sickcodes/security/blob/master/etc/CVE-2020-27403_CVE-2020-28055_GlobalFAQ.pdf [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-28055 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-28055
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.12 }} 0.00%
score
0.45346
percentile