CVE-2020-10024: ARM Platform Uses Signed Integer Comparison When Validating Syscall Numbers
First published: Mon May 11 2020(Updated: )
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.
Credit: vulnerabilities@zephyrproject.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Zephyr Project Manager | =1.14.2 | |
| Zephyr Project Manager | =2.1.0 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10024
- https://github.com/zephyrproject-rtos/zephyr/pull/23323
- https://github.com/zephyrproject-rtos/zephyr/pull/23498
- https://github.com/zephyrproject-rtos/zephyr/pull/23535
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-30
Frequently Asked Questions
What is the severity of CVE-2020-10024?
CVE-2020-10024 is considered to have a high severity due to its potential for privilege escalation.
How do I fix CVE-2020-10024?
To fix CVE-2020-10024, upgrade to Zephyr versions 1.14.3 or 2.1.1 or later where the vulnerability has been patched.
Which versions of Zephyr are affected by CVE-2020-10024?
CVE-2020-10024 affects Zephyr versions 1.14.2 and 2.1.0.
What type of vulnerability is CVE-2020-10024?
CVE-2020-10024 is a privilege escalation vulnerability due to improper validation of system call numbers in the arm platform-specific code.
Can an attacker exploit CVE-2020-10024 remotely?
Exploitation of CVE-2020-10024 requires an attacker to have obtained code execution within a user thread, so it is not a remote vulnerability.
- agent/type
- agent/softwarecombine
- agent/references
- agent/severity
- agent/weakness
- agent/remedy
- agent/title
- agent/description
- agent/author
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/first-publish-date
- agent/event
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/zephyrproject
- canonical/zephyr project manager
- version/zephyr project manager/1.14.2
- version/zephyr project manager/2.1.0