Vulnerability · Published May 11, 2020 · Assigned by zephyr
CVE-2020-10024ARM Platform Uses Signed Integer Comparison When Validating Syscall Numbers
High 7.8
In plain English
A high-severity security flaw in zephyr from zephyrproject-rtos. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.7%top 47.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| zephyrproject-rtos | zephyr | 1.14.0 – before unspecified2.1.0 – before unspecified |
Weakness: CWE-697 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
References
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-30 x_refsource_MISC
- https://github.com/zephyrproject-rtos/zephyr/pull/23323 x_refsource_MISC
- https://github.com/zephyrproject-rtos/zephyr/pull/23535 x_refsource_MISC
- https://github.com/zephyrproject-rtos/zephyr/pull/23498 x_refsource_MISC
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10024 x_refsource_MISC