CVE-2021-46334 : Exploit Details and Defense Strategies

Moddable SDK v11.5.0 was discovered to contain a stack buffer overflow via the component __interceptor_strcat.

Understanding CVE-2021-46334

What is CVE-2021-46334?

Moddable SDK v11.5.0 has a vulnerability that allows for a stack buffer overflow through the component __interceptor_strcat.

The Impact of CVE-2021-46334

This vulnerability could potentially lead to arbitrary code execution or denial of service if exploited by an attacker.

Technical Details of CVE-2021-46334

Vulnerability Description

The issue in Moddable SDK v11.5.0 allows for a stack buffer overflow via __interceptor_strcat, exposing systems to potential exploitation.

Affected Systems and Versions

Product: Moddable SDK v11.5.0
Versions: All versions are affected

Exploitation Mechanism

Attackers can exploit the stack buffer overflow by manipulating the __interceptor_strcat component, potentially leading to severe consequences.

Mitigation and Prevention

Immediate Steps to Take

Update to the latest version of Moddable SDK to address the vulnerability
Implement proper input validation mechanisms

Long-Term Security Practices

Regularly audit and test code for vulnerabilities
Follow secure coding practices to prevent buffer overflows

Patching and Updates

Apply patches and updates provided by Moddable SDK to fix the stack buffer overflow vulnerability.