CVE-2022-36337 Memory corruption in n/a
A stack buffer overflow in the InsydeH2O BIOS allows arbitrary code execution via controlled UEFI variables.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-36337?
CVE-2022-36337 is a high-severity memory corruption vulnerability in n/a, published on 23 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. A stack buffer overflow vulnerability in the MebxConfiguration driver leads to arbitrary code execution. Control of a UEFI variable under the OS can cause this overflow when read by BIOS code.
Which versions are affected by CVE-2022-36337?
It affects 1 product.
Products include Insyde Kernel.
How do I fix CVE-2022-36337?
No fix has been published for CVE-2022-36337 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-36337 being exploited?
There is no known exploitation of CVE-2022-36337 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-wm2m-ch4m-97cr.