Integer overflow in Zephyrproject Zephyr
CVE-2020-10067
A malicious userspace application can cause a integer overflow and bypass security checks performed by system call handlers. The impact would depend on the underlying system call and can range from denial of service to information leak to memory corruption resulting in code execution within the kernel. See NCC-ZEP-005 This issue affects: zephyrproject-rtos zephyr version 1.14.1 and later versions. version 2.1.0 and later versions.
Vulnerability class: Integer Overflow
EPSS: 0.004 (36.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H.
Affected products
- Zephyrproject Zephyr — versions 1.14.1, 2.1.0
- Zephyrproject-rtos Zephyr — versions 1.14.1, 2.1.0
Weakness classification (CWE)
References
- vulnerabilities@zephyrproject.org (Third Party Advisory, x_refsource_MISC)
- vulnerabilities@zephyrproject.org (Patch, Third Party Advisory, x_refsource_MISC)
- vulnerabilities@zephyrproject.org (Patch, Third Party Advisory, x_refsource_MISC)
- vulnerabilities@zephyrproject.org (Patch, Third Party Advisory, x_refsource_MISC)
- vulnerabilities@zephyrproject.org (x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-10067?
- CVE-2020-10067 is a high-severity vulnerability in Zephyrproject Zephyr, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2020-05-11.
- How severe is CVE-2020-10067?
- High severity. CVSS v3 base score is 7.5 out of 10.