Voltage Glitch Allows Access to Memory Bus Without Security Bit
CVE-2024-4760

6.3MEDIUM

Key Information:

Vendor

Microchip

Status
Vendor
CVE Published:
16 May 2024

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2024-4760?

A voltage glitch during the startup of EEFC NVM controllers on Microchip SAM E70/S70/V70/V71 microcontrollers allows access to the memory bus via the debug interface even if the security bit is set.

Affected Version(s)

SAME70 0

SAMS70 0

SAMV70 0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

CVSS V3.1

Score:
6.3
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Physical
Attack Complexity:
High
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Waleed Alzamil
Bandar Alharbi
Meshari Alhammadi
.
CVE-2024-4760 : Voltage Glitch Allows Access to Memory Bus Without Security Bit