CVE-2021-46326 Explained : Impact and Mitigation

Moddable SDK v11.5.0 was discovered to contain a heap-buffer-overflow vulnerability.

Understanding CVE-2021-46326

What is CVE-2021-46326?

The CVE-2021-46326 vulnerability refers to a heap-buffer-overflow issue found in Moddable SDK v11.5.0 due to the component __asan_memcpy.

The Impact of CVE-2021-46326

The vulnerability could allow an attacker to execute arbitrary code, potentially leading to a denial of service or further exploitation of the affected system.

Technical Details of CVE-2021-46326

Vulnerability Description

The vulnerability in Moddable SDK v11.5.0 arises from a heap-buffer-overflow through the component __asan_memcpy, which can lead to a security compromise.

Affected Systems and Versions

Affected Version: Moddable SDK v11.5.0

Exploitation Mechanism

The vulnerability can be exploited by a malicious actor to trigger a heap-buffer-overflow by utilizing the vulnerable component.

Mitigation and Prevention

Immediate Steps to Take

Developers should update to a patched version or apply relevant security fixes promptly.
Implement input validation to prevent malicious input from triggering the vulnerability.

Long-Term Security Practices

Regular security assessments and code reviews can help in identifying and addressing similar vulnerabilities proactively.
Secure coding practices and using secure libraries can mitigate the risk of heap-buffer-overflow vulnerabilities.

Patching and Updates

It is crucial to regularly update software components and libraries to patch known vulnerabilities and enhance overall system security.