CVE-2020-10067 Integer Overflow In is_in_region Allows User Thread To Access Kernel Memory
A malicious userspace application can trigger an integer overflow to bypass security checks, potentially leading to kernel memory access and code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-10067?
CVE-2020-10067 is a high-severity vulnerability in Zephyrproject Zephyr, published on 11 May 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-190
Which versions are affected by CVE-2020-10067?
It affects 1 product.
Products include Zephyrproject Zephyr.
How do I fix CVE-2020-10067?
No fix has been published for CVE-2020-10067 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-10067 being exploited?
There is no known exploitation of CVE-2020-10067 in the wild and no public exploit code.
Other vulnerabilities in Zephyrproject Zephyr
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- CVE-2022-3806 Bluetooth HCI Error Handling Double Free
- CVE-2017-14199 Memory corruption in getaddrinfo
- CVE-2018-1000800 Null dereference in n/a
- CVE-2021-3329 DOS: Incorrect handling of the initial HCI ACL_MTU handshake packet leads to crash of bluetooth host layer
Sources
Also known as CVE-2020-10025, GHSA-2wjv-2phj-464p.