PT-2020-8707 · Samsung · Samsung Mobile Devices

Published 2020-04-08 · Updated 2020-04-09 · CVE-2018-21063

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Samsung mobile devices with M(6.0) Samsung mobile devices with N(7.x) Samsung mobile devices with O(8.x)

Description An issue was discovered on Samsung mobile devices due to an architectural problem in Keymaster. The problem arises because tlApi in TEE is not properly protected.

Recommendations For Samsung mobile devices with M(6.0), update to a version that addresses the architectural issue in Keymaster. For Samsung mobile devices with N(7.x), update to a version that addresses the architectural issue in Keymaster. For Samsung mobile devices with O(8.x), update to a version that addresses the architectural issue in Keymaster. As a temporary workaround, consider restricting access to the Keymaster component until a patch is available.

Fix

Related Identifiers

CVE-2018-21063

Affected Products

Samsung Mobile Devices

References · 3

• https://osv.dev/vulnerability/CVE-2018-21063 · Vendor Advisory
• https://security.samsungmobile.com/securityUpdate.smsb · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-21063 · Security Note