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[email protected]CVE-2020-27402

HistoryNov 05, 2020 - 3:15 p.m.

CVE-2020-27402

2020-11-0515:15:34

[email protected]

web.nvd.nist.gov

hk1 box

s905x3

tv box

local escalation

vulnerability

uart

adb

cve-2020-27402

nvd

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

36.6%

JSON

The HK1 Box S905X3 TV Box contains a vulnerability that allows a local unprivileged user to escalate to root using the /system/xbin/su binary via a serial port (UART) connection or using adb.

Affected configurations

NVD

Node

hindotechhk1_box_s905x3_firmwareMatchhk1_x3_s905x3_4bit_v11_2019-11-05

AND

hindotechhk1_box_s905x3Match-

CPENameOperatorVersion
hindotech:hk1_box_s905x3_firmwarehindotech hk1 box s905x3 firmwareeqhk1_x3_s905x3_4bit_v11_2019-11-05

CPE	Name	Operator	Version
hindotech:hk1_box_s905x3_firmware	hindotech hk1 box s905x3 firmware	eq	hk1_x3_s905x3_4bit_v11_2019-11-05

References

github.com/sickcodes/security/blob/master/advisories/SICK-2020-004.md

sick.codes/sick-2020-004/

threatpost.com/authentication-bug-android-smart-tv-data-theft/160025/

www.cybersecurity-help.cz/vdb/SB2020101404

www.securitylab.ru/news/513051.php

Social References

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

36.6%

JSON

Related for CVE-2020-27402

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