CVE-2024-8105 Insecure Platform Key (PK) used in UEFI system firmware signature
Attackers with the hardcoded private key can sign malicious UEFI executables, bypassing Secure Boot and executing arbitrary code on affected systems.
- 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-2024-8105?
CVE-2024-8105 is a medium-severity vulnerability in Acer AU47 M1, published on 26 Aug 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability exists in UEFI implementations that use a hard-coded software-based Platform Key (PK). An attacker in possession of the corresponding PK private key can sign arbitrary UEFI executables or firmware components, causing them to be trusted by affected systems and potentially bypassing UEFI Secure Boot trust validation.
Which versions are affected by CVE-2024-8105?
How do I fix CVE-2024-8105?
No fix has been published for CVE-2024-8105 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-8105 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-8105 exists.
Sources
Also known as GHSA-5xg9-v43g-xgcj.