CVE-2024-4760— Voltage glitch during startup of the EEFC NVM controller can bypass the security bit
Quick assessment
Affected
Microchip SAME70
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Microchip SAM是美国微芯科技（Microchip）的一系列微处理器和微控制器。 Microchip SAM系列产品存在安全漏洞，该漏洞源于控制器启动期间的电压毛刺允许通过调试接口访问内存总线。
Possible ATT&CK Techniques 1 AI
T1215
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I. Basic Information for CVE-2024-4760
Vulnerability Information
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Vulnerability Title
Voltage glitch during startup of the EEFC NVM controller can bypass the security bit
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1247
Source: CVE Program / CVE List V5
Vulnerability Title
Microchip SAM 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microchip SAM是美国微芯科技（Microchip）的一系列微处理器和微控制器。 Microchip SAM系列产品存在安全漏洞，该漏洞源于控制器启动期间的电压毛刺允许通过调试接口访问内存总线。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2024-4760
| # | POC Description | Source Link | Shenlong Link |
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Other References for CVE-2024-4760 (1)
-
https://www.0x01team.com/hw_security/bypassing-microchip-atmel-sam-e70-s70-v70-v71-security/ technical-description exploit
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V. Comments for CVE-2024-4760
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