CVE-2020-14163 : Security Advisory and Response

An issue was discovered in ecma/operations/ecma-container-object.c in JerryScript 2.2.0. This vulnerability arises from operations with key/value pairs not considering scenarios where garbage collection is triggered between key and value operations, leading to improper memory access.

Understanding CVE-2020-14163

This CVE identifies a specific vulnerability in JerryScript 2.2.0.

What is CVE-2020-14163?

The vulnerability in ecma-container-object.c in JerryScript 2.2.0 allows for improper read access to memory due to a lack of consideration for garbage collection timing.

The Impact of CVE-2020-14163

The vulnerability could be exploited to gain unauthorized access to sensitive information or execute arbitrary code on affected systems.

Technical Details of CVE-2020-14163

JerryScript 2.2.0 is affected by this vulnerability.

Vulnerability Description

The issue arises from the failure to account for garbage collection timing during key/value pair operations, resulting in improper memory access.

Affected Systems and Versions

Affected Version: JerryScript 2.2.0

Exploitation Mechanism

The vulnerability can be exploited by triggering garbage collection between key and value operations, leading to unauthorized memory access.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.

Immediate Steps to Take

Update JerryScript to a patched version that addresses the vulnerability.
Monitor for any unauthorized access or unusual activities on the system.

Long-Term Security Practices

Implement secure coding practices to prevent similar vulnerabilities in the future.
Regularly update and patch software to mitigate known vulnerabilities.
Conduct security audits and assessments to identify and address potential weaknesses.

Patching and Updates

Ensure that all systems running JerryScript are updated to a version that includes the necessary patches to fix the vulnerability.