Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 19.4%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 7.2
References
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10067
- https://github.com/zephyrproject-rtos/zephyr/pull/23239
- https://github.com/zephyrproject-rtos/zephyr/pull/23653
- https://github.com/zephyrproject-rtos/zephyr/pull/23654
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-27
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10067
- https://github.com/zephyrproject-rtos/zephyr/pull/23239
- https://github.com/zephyrproject-rtos/zephyr/pull/23653
- https://github.com/zephyrproject-rtos/zephyr/pull/23654
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-27
Products affected by CVE-2020-10067
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cpe:2.3:o:zephyrproject:zephyr:1.14.1
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cpe:2.3:o:zephyrproject:zephyr:2.1.0