7.8

CVE-2020-10027

ARC Platform Uses Signed Integer Comparison When Validating Syscall Numbers

An attacker who has obtained code execution within a user thread is able to elevate privileges to that of the kernel. See NCC-ZEP-001 This issue affects: zephyrproject-rtos zephyr version 1.14.0 and later versions. version 2.1.0 and later versions.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Zephyrproject ≫ Zephyr Version 1.14.0
Zephyrproject ≫ Zephyr Version 2.1.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.69% 0.478
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NIST 7.2 3.9 10
AV:L/AC:L/Au:N/C:C/I:C/A:C
vulnerabilities@zephyrproject.org 7.8 1.1 6
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE-697 Incorrect Comparison

The product compares two entities in a security-relevant context, but the comparison is incorrect.

https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10027
https://github.com/zephyrproject-rtos/zephyr/pull/23328
Patch
Third Party Advisory
https://github.com/zephyrproject-rtos/zephyr/pull/23499
Patch
Third Party Advisory
https://github.com/zephyrproject-rtos/zephyr/pull/23500
Patch
Third Party Advisory
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-35
Third Party Advisory