CVE-2021-36979 : Exploit Details and Defense Strategies

Unicorn Engine 1.0.2 has an out-of-bounds write vulnerability in tb_flush_armeb, which is called from cpu_arm_exec_armeb and tcg_cpu_exec_armeb.

Understanding CVE-2021-36979

This section will cover the details of the CVE-2021-36979 vulnerability.

What is CVE-2021-36979?

CVE-2021-36979 refers to the out-of-bounds write vulnerability in Unicorn Engine 1.0.2, specifically in tb_flush_armeb.

The Impact of CVE-2021-36979

This vulnerability could potentially allow attackers to execute arbitrary code or cause a denial of service (DoS) on the affected system.

Technical Details of CVE-2021-36979

In this section, we will delve into the technical aspects of CVE-2021-36979.

Vulnerability Description

Unicorn Engine 1.0.2 is prone to an out-of-bounds write vulnerability in tb_flush_armeb, triggered from cpu_arm_exec_armeb and tcg_cpu_exec_armeb.

Affected Systems and Versions

The affected product and version details for CVE-2021-36979 have not been specified.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious input to trigger the out-of-bounds write in Unicorn Engine 1.0.2.

Mitigation and Prevention

This section will focus on the mitigation strategies and preventive measures for CVE-2021-36979.

Immediate Steps to Take

It is recommended to update Unicorn Engine to a non-vulnerable version or apply patches provided by the vendor to mitigate the risk associated with CVE-2021-36979.

Long-Term Security Practices

Implementing secure coding practices, conducting regular security audits, and staying updated with security advisories can help in preventing similar vulnerabilities in the future.

Patching and Updates

Regularly check for security updates released by Unicorn Engine to address CVE-2021-36979 and other potential security vulnerabilities.