CVE-2024-4760 Voltage glitch during startup of the EEFC NVM controller can bypass the security bit
Voltage glitching during startup bypasses security bits, allowing debug interface access to memory on Microchip SAM microcontrollers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2024-4760?
CVE-2024-4760 is a medium-severity vulnerability in Microchip SAM3N, published on 16 May 2024. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
A voltage glitch during the startup of EEFC NVM controllers on Microchip SAM E70/S70/V70/V71, SAM G55, SAM 4C/4S/4N/4E, and SAM 3S/3N/3U microcontrollers allows access to the memory bus via the debug interface even if the security bit is set.
Weakness: CWE-1247
Which versions are affected by CVE-2024-4760?
How do I fix CVE-2024-4760?
No fix has been published for CVE-2024-4760 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-4760 being exploited?
There is no known exploitation of CVE-2024-4760 in the wild and no public exploit code.
Sources
Also known as GHSA-5mp7-g9p8-p9xx.