Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2020-28055

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
10/11/2020
Last modified:
08/12/2020

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.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
7.80
Severity 3.x
HIGH
Vector 2.0
AV:L/AC:L/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.20 HIGH
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
7.20
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:tcl:32s330_firmware:*:*:*:*:*:*:*:* v8-r851t10-lf1v091 (excluding)
cpe:2.3:h:tcl:32s330:-:*:*:*:*:*:*:*
cpe:2.3:o:tcl:40s330_firmware:*:*:*:*:*:*:*:* v8-r851t10-lf1v091 (excluding)
cpe:2.3:h:tcl:40s330:-:*:*:*:*:*:*:*
cpe:2.3:o:tcl:43s434_firmware:*:*:*:*:*:*:*:* v8-r851t02-lf1v440 (excluding)
cpe:2.3:h:tcl:43s434:-:*:*:*:*:*:*:*
cpe:2.3:o:tcl:50s434_firmware:*:*:*:*:*:*:*:* v8-r851t02-lf1v440 (excluding)
cpe:2.3:h:tcl:50s434:-:*:*:*:*:*:*:*
cpe:2.3:o:tcl:55s434_firmware:*:*:*:*:*:*:*:* v8-r851t02-lf1v440 (excluding)
cpe:2.3:h:tcl:55s434:-:*:*:*:*:*:*:*
cpe:2.3:o:tcl:65s434_firmware:*:*:*:*:*:*:*:* v8-r851t02-lf1v440 (excluding)
cpe:2.3:h:tcl:65s434:-:*:*:*:*:*:*:*
cpe:2.3:o:tcl:75s434_firmware:*:*:*:*:*:*:*:* v8-r851t02-lf1v440 (excluding)
cpe:2.3:h:tcl:75s434:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools