CVE-2021-34374 : Exploit Details and Defense Strategies

Trusty contains a vulnerability in command handlers where the length of input buffers is not verified. This vulnerability can cause memory corruption, leading to information disclosure, escalation of privileges, and denial of service.

Understanding CVE-2021-34374

Trusty is vulnerable due to unverified input buffer lengths, posing risks of memory corruption and associated security threats.

What is CVE-2021-34374?

CVE-2021-34374 is a vulnerability in Trusty related to command handlers not verifying the length of input buffers, potentially resulting in memory corruption and various security implications.

The Impact of CVE-2021-34374

The impact includes risks of information disclosure, escalation of privileges, and denial of service due to the memory corruption caused by the vulnerability.

Technical Details of CVE-2021-34374

The technical details of CVE-2021-34374 involve vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

Trusty vulnerability arises from command handlers not checking the length of input buffers, leading to potential memory corruption.

Affected Systems and Versions

NVIDIA Jetson AGX Xavier series, Jetson Xavier NX, Jetson TX2 series, and Jetson TX2 NX are affected. All Jetson Linux versions prior to r32.5.1 are vulnerable.

Exploitation Mechanism

The vulnerability can be exploited to cause memory corruption, potentially resulting in information disclosure, privilege escalation, and denial of service.

Mitigation and Prevention

In addressing CVE-2021-34374, immediate steps, long-term security practices, and the importance of patching and updates are essential.

Immediate Steps to Take

Immediately verify and apply security updates provided by NVIDIA to mitigate the vulnerability's impact.

Long-Term Security Practices

Implement security best practices, restrict access, and regularly update systems to enhance resilience against similar vulnerabilities.

Patching and Updates

Regularly monitor for security advisories from NVIDIA and apply patches promptly to safeguard systems from potential exploits.