PT-2020-8693 · Samsung · Exynos

Published 2020-04-08 · Updated 2020-04-13 · CVE-2018-21049

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 N(7.x) and O(8.X) (Exynos chipsets) software

Description An issue was discovered that allows for an arbitrary memory write in a Trustlet. This occurs because a secure driver permits access to sensitive APIs.

Recommendations For Samsung mobile devices with N(7.x) and O(8.X) (Exynos chipsets) software, consider restricting access to sensitive APIs until a patch is available. As a temporary workaround, disabling the secure driver that allows access to these APIs may help minimize the risk of exploitation.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2018-21049

Affected Products

Exynos

References · 4

• https://osv.dev/vulnerability/CVE-2018-21049 · Vendor Advisory
• https://security.samsungmobile.com/securityUpdate.smsb · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-21049 · Security Note
• https://t.me/cibsecurity/11187 · Telegram Post