Learn about CVE-2021-32032 impacting Trusted Firmware-M versions through 1.3.0, causing memory leaks in multi-part cryptographic operations. Find mitigation steps here.
In Trusted Firmware-M through 1.3.0, cleaning up the memory allocated for a multi-part cryptographic operation can cause a memory leak due to a failure in freeing internal resources.
Understanding CVE-2021-32032
This CVE impacts Trusted Firmware-M versions through 1.3.0, where a flaw in memory cleanup leads to a memory leak potentially affecting system performance.
What is CVE-2021-32032?
The vulnerability in Trusted Firmware-M can result in internal resources not being freed, causing a memory leak in the context of a failed cryptographic operation cleanup.
The Impact of CVE-2021-32032
The memory leak caused by this vulnerability can potentially degrade system performance over time, affecting the overall operational efficiency of the affected systems.
Technical Details of CVE-2021-32032
This section provides insights into the specific technical aspects of the CVE.
Vulnerability Description
In Trusted Firmware-M through 1.3.0, failed memory cleanup in multi-part cryptographic operations might prevent internal resource freeing, leading to memory leaks.
Affected Systems and Versions
Trusted Firmware-M versions up to 1.3.0 are affected by this vulnerability due to flawed memory management during cryptographic operations.
Exploitation Mechanism
Exploiting this vulnerability would require knowledge of the memory management intricacies in Trusted Firmware-M during cryptographic processes.
Mitigation and Prevention
To address CVE-2021-32032, immediate actions and long-term security practices are essential.
Immediate Steps to Take
Update Trusted Firmware-M to version 1.3.1 or higher to mitigate the memory leak issue and prevent potential exploitation.
Long-Term Security Practices
Regularly monitor for security advisories and updates from Trusted Firmware-M to stay informed about emerging vulnerabilities and patches.
Patching and Updates
Apply recommended patches promptly and maintain up-to-date versions of Trusted Firmware-M to prevent security risks.