CVE-2019-20607 Information

Description

An issue was discovered on Samsung mobile devices with N(7.x) O(8.x) and P(9.0) (MSM8996 MSM8998 Exynos7420 Exynos7870 Exynos8890 and Exynos8895 chipsets) software. A heap overflow in the keymaster Trustlet allows attackers to write to TEE memory and achieve arbitrary code execution. The Samsung ID is SVE-2019-14126 (May 2019).

CVSS Vector

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

Reference

https://security.samsungmobile.com/securityUpdate.smsb

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8