CVE-2020-13991 Explained : Impact and Mitigation

JerryScript 2.2.0 allows attackers to hijack the flow of control by controlling a register.

Understanding CVE-2020-13991

This CVE involves a vulnerability in JerryScript 2.2.0 that enables attackers to manipulate the flow of control by taking control of a register.

What is CVE-2020-13991?

JerryScript 2.2.0 vulnerability allows threat actors to influence the flow of control by managing a register, potentially leading to unauthorized access or malicious activities.

The Impact of CVE-2020-13991

The vulnerability in JerryScript 2.2.0 could result in attackers gaining unauthorized control over the flow of operations, posing a significant security risk to affected systems.

Technical Details of CVE-2020-13991

This section provides detailed technical insights into the CVE-2020-13991 vulnerability.

Vulnerability Description

The vulnerability in vm/opcodes.c in JerryScript 2.2.0 allows attackers to manipulate the flow of control by taking over a register, potentially leading to unauthorized access.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Version: 2.2.0 (affected)

Exploitation Mechanism

Attackers can exploit this vulnerability by controlling a register, enabling them to influence the flow of control within JerryScript 2.2.0.

Mitigation and Prevention

To address and prevent the exploitation of CVE-2020-13991, follow these mitigation strategies:

Immediate Steps to Take

Implement security patches provided by the vendor
Monitor and restrict access to critical systems
Conduct regular security assessments and audits

Long-Term Security Practices

Stay informed about security updates and vulnerabilities
Enhance code review processes to identify and address similar issues

Patching and Updates

Apply the latest patches and updates for JerryScript to mitigate the vulnerability and enhance system security.