CVE-2020-10067 HIGH

CVE-2020-10067: Integer Overflow In is_in_region Allows User Thread To Access Kernel Memory

Vendor Zephyrproject-Rtos
Product zephyr
Weakness CWE-190
Published May 11, 2020
Last update September 16, 2024

CVSS base score

7.5/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

A malicious userspace application can cause a integer overflow and bypass security checks performed by system call handlers. The impact would depend on the underlying system call and can range from denial of service to information leak to memory corruption resulting in code execution within the kernel. See NCC-ZEP-005 This issue affects: zephyrproject-rtos zephyr version 1.14.1 and later versions. version 2.1.0 and later versions.

Key dates

02Disclosure timeline

May 11, 2020 CVE published
September 16, 2024 Record updated