CVE-2020-25463 : Security Advisory and Response

A denial of service vulnerability in Moddable SDK before OS200908 due to an invalid memory access in fxUTF8Decode at moddable/xs/sources/xsCommon.c:916.

Understanding CVE-2020-25463

This CVE involves a vulnerability in Moddable SDK that can lead to a denial of service.

What is CVE-2020-25463?

The CVE-2020-25463 vulnerability is caused by an invalid memory access in fxUTF8Decode at moddable/xs/sources/xsCommon.c:916 in Moddable SDK before OS200908, resulting in a denial of service (SEGV).

The Impact of CVE-2020-25463

The vulnerability can be exploited to cause a denial of service, potentially disrupting the normal operation of the affected system.

Technical Details of CVE-2020-25463

This section provides more technical insights into the CVE-2020-25463 vulnerability.

Vulnerability Description

The vulnerability arises from an invalid memory access in fxUTF8Decode at moddable/xs/sources/xsCommon.c:916 in Moddable SDK before OS200908.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: Not applicable

Exploitation Mechanism

The vulnerability can be exploited by triggering the invalid memory access in the specified function, leading to a denial of service.

Mitigation and Prevention

To address CVE-2020-25463, follow these mitigation strategies:

Immediate Steps to Take

Apply the latest security patches provided by Moddable-OpenSource.
Monitor official sources for updates and advisories regarding this vulnerability.

Long-Term Security Practices

Regularly update the Moddable SDK to the latest version to ensure security patches are in place.
Implement secure coding practices to prevent memory access vulnerabilities.

Patching and Updates

Ensure timely installation of patches and updates released by Moddable-OpenSource to fix the vulnerability.