CVE-2020-10024
ARM Platform Uses Signed Integer Comparison When Validating Syscall Numbers
- State
- Published
- Severity
- 7.8 High
- Published
- May 11, 2020
- Updated
- Sep 17, 2024
- Reserved
- Mar 3, 2020
Description
The arm platform-specific code uses a signed integer comparison when validating system call 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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.8 High | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H | zephyr |
Weaknesses
- CWE-697 Incorrect Comparison
Affected Products
| Product | Versions |
|---|---|
zephyrzephyrproject-rtos |
|
References
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-30
- https://github.com/zephyrproject-rtos/zephyr/pull/23323
- https://github.com/zephyrproject-rtos/zephyr/pull/23535
- https://github.com/zephyrproject-rtos/zephyr/pull/23498
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10024
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