CVE-2023-39281 Memory corruption in n/a
A stack buffer overflow in InsydeH2O firmware allows attackers to execute arbitrary code during the DXE boot phase.
- 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-2023-39281?
CVE-2023-39281 is a medium-severity memory corruption vulnerability in Insyde Insydeh2o, published on 1 Nov 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A stack buffer overflow vulnerability discovered in AsfSecureBootDxe in Insyde InsydeH2O with kernel 5.0 through 5.5 allows attackers to run arbitrary code execution during the DXE phase.
Which versions are affected by CVE-2023-39281?
It affects 1 product.
Products include Insyde Insydeh2o.
How do I fix CVE-2023-39281?
No fix has been published for CVE-2023-39281 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-2023-39281 being exploited?
There is no known exploitation of CVE-2023-39281 in the wild and no public exploit code.
Other vulnerabilities in Insyde Insydeh2o
Sources
Also known as GHSA-grf5-hh55-whxh.