CVE-2018-21054 Information

Description

An issue was discovered on Samsung mobile devices with M(6.0) N(7.x) and O(8.x) except exynos9610/9820 in all Platforms M(6.0) except MSM8909 SC77xx/9830 exynos3470/5420 N(7.0) except MSM8939 N(7.1) except MSM8996 SDM6xx/M6737T software. There is an integer underflow with a resultant buffer overflow in eCryptFS. The Samsung ID is SVE-2017-11857 (September 2018).

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