PT-2020-8714 · Samsung · Samsung Mobile Devices

Published 2020-04-08 · Updated 2020-04-09 · CVE-2018-21070

Positive Technologies (AI Summary)

CVSS v3.1

8.4

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Samsung mobile devices with N(7.x) software Samsung mobile devices with O(8.0) software

Description An issue allows an attacker to bypass Secure Boot and obtain root access due to a missing Bootloader integrity check on devices with MSM8998 or SDM845 chipsets.

Recommendations For Samsung mobile devices with N(7.x) software, update to a version that includes the necessary Bootloader integrity check. For Samsung mobile devices with O(8.0) software, update to a version that includes the necessary Bootloader integrity check. As a temporary workaround, consider restricting access to the device's root until a patch is available.

Fix

Weakness Enumeration

CWE-354

Related Identifiers

CVE-2018-21070

Affected Products

Samsung Mobile Devices

References · 3

• https://osv.dev/vulnerability/CVE-2018-21070 · Vendor Advisory
• https://security.samsungmobile.com/securityUpdate.smsb · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-21070 · Security Note