CVE-2021-29323 : Security Advisory and Response

OpenSource Moddable v10.5.0 has been found to have a heap buffer overflow vulnerability in the component /modules/network/wifi/esp/modwifi.c.

Understanding CVE-2021-29323

This section will discuss what CVE-2021-29323 is, its impact, technical details, and mitigation steps.

What is CVE-2021-29323?

CVE-2021-29323 refers to a heap buffer overflow vulnerability discovered in OpenSource Moddable v10.5.0 via the component /modules/network/wifi/esp/modwifi.c.

The Impact of CVE-2021-29323

This vulnerability could allow an attacker to execute arbitrary code, leading to a potential compromise of the affected system.

Technical Details of CVE-2021-29323

Let's delve into more technical aspects of the vulnerability.

Vulnerability Description

The vulnerability is a result of a heap buffer overflow in the specified component, allowing attackers to write past the end of a buffer and potentially execute malicious code.

Affected Systems and Versions

OpenSource Moddable v10.5.0 is known to be affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious input to trigger the heap buffer overflow, potentially leading to code execution.

Mitigation and Prevention

Here are some crucial steps to mitigate the risks associated with CVE-2021-29323.

Immediate Steps to Take

It is recommended to update the Moddable software to a non-vulnerable version and monitor for any signs of exploitation.

Long-Term Security Practices

Implement secure coding practices, conduct regular security audits, and stay updated on security advisories to prevent similar vulnerabilities.

Patching and Updates

Stay informed about patches and updates released by Moddable-OpenSource to address the heap buffer overflow vulnerability in version 10.5.0.