CVE-2021-46507 : Vulnerability Insights and Analysis

Jsish v3.5.0 was discovered to contain a stack overflow vulnerability via Jsi_LogMsg at src/jsiUtils.c.

Understanding CVE-2021-46507

Jsish v3.5.0 has a vulnerability that could lead to a stack overflow.

What is CVE-2021-46507?

The CVE-2021-46507 vulnerability in Jsish v3.5.0 allows attackers to trigger a stack overflow through the Jsi_LogMsg function in src/jsiUtils.c.

The Impact of CVE-2021-46507

This vulnerability could be exploited by malicious actors to potentially execute arbitrary code or crash the application.

Technical Details of CVE-2021-46507

Jsish v3.5.0 is susceptible to a stack overflow due to improper handling of input, specifically in the Jsi_LogMsg function.

Vulnerability Description

The vulnerability arises from a lack of proper input validation, allowing for an overflow of the stack.

Affected Systems and Versions

Software: Jsish v3.5.0
Versions: All versions are affected.

Exploitation Mechanism

Attackers can craft malicious input to trigger an excessively deep recursion in the Jsi_LogMsg function, leading to a stack overflow.

Mitigation and Prevention

Immediate action is necessary to mitigate the risks associated with CVE-2021-46507.

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly.
Monitor security advisories for any new information or developments regarding this vulnerability.

Long-Term Security Practices

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

Patching and Updates

Ensure that Jsish v3.5.0 is regularly updated to the latest version to patch known vulnerabilities and enhance overall security.