CVE-2020-10067
Integer Overflow In is_in_region Allows User Thread To Access Kernel Memory
Vexday Risk Score
21Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 7.5EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
11 May 2020Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Affected products
zephyrproject-rtos · zephyrWant to know if your infrastructure is exposed to this?
Talk to TrueHacking →References
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10067https://github.com/zephyrproject-rtos/zephyr/pull/23239https://github.com/zephyrproject-rtos/zephyr/pull/23653https://github.com/zephyrproject-rtos/zephyr/pull/23654https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-27