CVE-2020-13466 Explained : Impact and Mitigation

STMicroelectronics STM32F103 devices through 2020-05-20 allow physical attackers to execute arbitrary code via a power glitch and a specific flash patch/breakpoint unit configuration.

Understanding CVE-2020-13466

This CVE involves a vulnerability in STMicroelectronics STM32F103 devices that enables physical attackers to execute arbitrary code through a specific exploit.

What is CVE-2020-13466?

CVE-2020-13466 is a security vulnerability found in STMicroelectronics STM32F103 devices that allows attackers physical access to execute arbitrary code by exploiting a power glitch and a specific flash patch/breakpoint unit configuration.

The Impact of CVE-2020-13466

The vulnerability poses a significant risk as it enables attackers to execute malicious code on affected devices, potentially leading to unauthorized access, data theft, or system compromise.

Technical Details of CVE-2020-13466

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The vulnerability in STMicroelectronics STM32F103 devices allows physical attackers to execute arbitrary code by leveraging a power glitch and a specific flash patch/breakpoint unit configuration.

Affected Systems and Versions

Affected Product: STMicroelectronics STM32F103
Vulnerable Versions: Devices through 2020-05-20

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the power supply to induce a glitch and configuring the flash patch/breakpoint unit in a specific way to execute arbitrary code.

Mitigation and Prevention

To address CVE-2020-13466 and enhance security, follow these mitigation strategies:

Immediate Steps to Take

Implement physical security measures to prevent unauthorized access to devices.
Regularly monitor and inspect devices for signs of tampering or unusual behavior.
Apply patches and updates provided by STMicroelectronics to mitigate the vulnerability.

Long-Term Security Practices

Conduct regular security training for personnel to raise awareness of physical security risks.
Implement secure coding practices to reduce the likelihood of successful exploitation.

Patching and Updates

Stay informed about security advisories from STMicroelectronics and promptly apply patches to address known vulnerabilities.