CVE-2020-10024

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Summary

CVECVE-2020-10024
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-05-11 23:15:00 UTC
Updated2020-06-05 18:15:00 UTC
DescriptionThe 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.

Risk And Classification

Problem Types: CWE-697

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Zephyrproject Zephyr 1.14.2 All All All
Operating System Zephyrproject Zephyr 2.1.0 All All All
Operating System Zephyrproject Zephyr 1.14.2 All All All
Operating System Zephyrproject Zephyr 2.1.0 All All All

References

ReferenceSourceLinkTags
arch: arm: userspace: fix syscall ID validation by ioannisg · Pull Request #23535 · zephyrproject-rtos/zephyr · GitHub MISC github.com Patch, Third Party Advisory
[ZEPSEC-30] ARM Platform Uses Signed Integer Comparison When Validating Syscall Numbers - Zephyr Project Security Issues MISC zephyrprojectsec.atlassian.net Third Party Advisory
Arch arm userspace fix syscal eval by ioannisg · Pull Request #23323 · zephyrproject-rtos/zephyr · GitHub MISC github.com Patch, Third Party Advisory
Vulnerabilities — Zephyr Project Documentation MISC docs.zephyrproject.org
Backport: arch: arm: aarch32: userspace: fix syscall ID validation by d3zd3z · Pull Request #23498 · zephyrproject-rtos/zephyr · GitHub MISC github.com Patch, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

LEGACY: NCC Group for report

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