CVE-2023-25600 Memory corruption in n/a
A malicious OS can tamper with EFI variables causing out-of-bounds reads and denial of service in InsydeH2O firmware.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-25600?
CVE-2023-25600 is a high-severity memory corruption vulnerability in n/a, published on 3 Aug 2023. 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 InsydeH2O. A malicious operating system can tamper with a runtime-writable EFI variable, leading to out-of-bounds memory reads and a denial of service. This is fixed in version 01.01.04.0016.
Weakness: CWE-125
Which versions are affected by CVE-2023-25600?
It affects 1 product.
Products include Insyde Insydecrpkg.
How do I fix CVE-2023-25600?
No fix has been published for CVE-2023-25600 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-2023-25600 being exploited?
There is no known exploitation of CVE-2023-25600 in the wild and no public exploit code.
Sources
Also known as GHSA-856f-5pr4-jx6q.