CVE-2022-36764 Heap Buffer Overflow in Tcg2MeasurePeImage
A heap buffer overflow in EDK2 allows local attackers to compromise confidentiality, integrity, and availability via Tcg2MeasurePeImage.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-36764?
CVE-2022-36764 is a high-severity memory corruption vulnerability in TianoCore edk2, published on 9 Jan 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
EDK2 is susceptible to a vulnerability in the Tcg2MeasurePeImage() function, allowing a user to trigger a heap buffer overflow via a local network. Successful exploitation of this vulnerability may result in a compromise of confidentiality, integrity, and/or availability.
Which versions are affected by CVE-2022-36764?
It affects 1 product.
Products include Tianocore Edk2.
How do I fix CVE-2022-36764?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-36764 being exploited?
There is no known exploitation of CVE-2022-36764 in the wild and no public exploit code.
Other vulnerabilities in TianoCore edk2
Sources
Also known as AZL-39016, AZL-39097, AZL-39292, BELL-CVE-2022-36764, DEBIAN-CVE-2022-36764, GHSA-4hcq-p8q8-hj8j and 1 more.