CVE-2021-41752 : Vulnerability Insights and Analysis

A stack overflow vulnerability in Jerryscript before a specific commit on Oct 20, 2021, due to unbounded recursive calls. Learn about the impact, technical details, and mitigation steps.

Understanding CVE-2021-41752

A vulnerability in Jerryscript leading to a stack overflow due to recursive calls.

What is CVE-2021-41752?

The vulnerability arises in Jerryscript before a particular commit on Oct 20, 2021, caused by unbounded recursive calls.

The Impact of CVE-2021-41752

The vulnerability allows attackers to potentially exploit a stack overflow, leading to a denial of service or other security risks.

Technical Details of CVE-2021-41752

Details regarding the vulnerability in Jerryscript.

Vulnerability Description

The vulnerability is a stack overflow issue due to unbounded recursive calls to the new opt() function in Jerryscript.

Affected Systems and Versions

Product: n/a
Vendor: n/a
Versions affected: n/a

Exploitation Mechanism

The vulnerability can be exploited by triggering unbounded recursive calls, leading to a stack overflow.

Mitigation and Prevention

Ways to address and prevent the CVE-2021-41752 vulnerability.

Immediate Steps to Take

Monitor for any abnormal recursive function calls in Jerryscript code.
Apply security patches or updates from the Jerryscript project.
Consider limiting the depth of function calls to prevent stack overflow.

Long-Term Security Practices

Conduct regular security audits to identify and address vulnerabilities.
Implement secure coding practices to prevent stack overflow issues.

Patching and Updates

Stay informed about new commits or updates from the Jerryscript project to address the vulnerability effectively.