CVE-2020-12789 : Exploit Details and Defense Strategies

The Secure Monitor in Microchip Atmel ATSAMA5 products uses a hardcoded key for encryption and authentication of secure applets.

Understanding CVE-2020-12789

This CVE involves a vulnerability in the Secure Monitor of Microchip Atmel ATSAMA5 products.

What is CVE-2020-12789?

The Secure Monitor in Microchip Atmel ATSAMA5 products uses a hardcoded key to encrypt and authenticate secure applets.

The Impact of CVE-2020-12789

This vulnerability could potentially allow attackers to compromise the security of the secure applets due to the use of a static key.

Technical Details of CVE-2020-12789

This section provides technical details of the CVE.

Vulnerability Description

The Secure Monitor in Microchip Atmel ATSAMA5 products uses a hardcoded key for encryption and authentication of secure applets.

Affected Systems and Versions

Product: Microchip Atmel ATSAMA5
Vendor: Microchip
Version: Not applicable

Exploitation Mechanism

Attackers could exploit this vulnerability by leveraging the hardcoded key to decrypt and manipulate secure applets.

Mitigation and Prevention

Protect your systems from CVE-2020-12789 with the following measures.

Immediate Steps to Take

Disable or restrict access to the affected Secure Monitor functionality.
Implement additional security controls to mitigate the risk of unauthorized access.

Long-Term Security Practices

Regularly update and patch the firmware of Microchip Atmel ATSAMA5 products.
Conduct security assessments and audits to identify and address vulnerabilities proactively.

Patching and Updates

Apply patches and updates provided by Microchip to address the hardcoded key vulnerability in the Secure Monitor.