PT-2020-11894 · Zephyr · Zephyr

Ceolin + 1 · Published 2020-05-11 · Updated 2020-06-05 · CVE-2020-10067

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions zephyr versions 1.14.1 through 2.1.0 and later versions.

Description A malicious userspace application can cause an integer overflow, bypassing security checks performed by system call handlers. The impact can range from denial of service to information leak to memory corruption, potentially resulting in code execution within the kernel.

Recommendations For zephyr versions 1.14.1 through 2.1.0 and later versions, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

CVE-2020-10067

Affected Products

Zephyr

References · 7

• https://github.com/zephyrproject-rtos/zephyr/pull/23239 · Patch
• https://github.com/zephyrproject-rtos/zephyr/pull/23654 · Patch
• https://github.com/zephyrproject-rtos/zephyr/pull/23653 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2020-10067 · Security Note
• https://osv.dev/vulnerability/CVE-2020-10067 · Vendor Advisory
• https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-27 · Note
• https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10067 · Note