CVE-2021-39503 : Security Advisory and Response

PHPMyWind 5.6 is vulnerable to Remote Code Execution due to inadequate input filtering, allowing attackers to inject PHP code into specific files.

Understanding CVE-2021-39503

PHPMyWind 5.6 is susceptible to Remote Code Execution, enabling attackers to execute arbitrary code on the target system.

What is CVE-2021-39503?

CVE ID: CVE-2021-39503
Vulnerability Type: Remote Code Execution
Affected Version: 5.6
Vendor: PHPMyWind

The vulnerability arises from insufficient input validation in the WriteConfig() function, facilitating the injection of malicious PHP code.

The Impact of CVE-2021-39503

The Remote Code Execution vulnerability in PHPMyWind 5.6 can have severe consequences:

Unauthorized access to sensitive information
Complete system compromise
Execution of arbitrary commands

Technical Details of CVE-2021-39503

PHPMyWind 5.6 vulnerability technical insights:

Vulnerability Description

The issue allows attackers to inject PHP code into /include/config.cache.php file
Input is inadequately filtered, missing characters like <, >, ?, =, `...

Affected Systems and Versions

Product: PHPMyWind
Version: 5.6
Status: Affected

Exploitation Mechanism

Attackers exploit the WriteConfig() function's lack of input filtering
Injected PHP code can lead to remote code execution

Mitigation and Prevention

Protect your system from CVE-2021-39503 with these steps:

Immediate Steps to Take

Update PHPMyWind to a patched version
Implement strict input validation routines
Monitor file integrity regularly

Long-Term Security Practices

Conduct regular security audits and assessments
Educate developers on secure coding practices
Maintain up-to-date threat intelligence

Patching and Updates

Stay informed about security patches and updates for PHPMyWind
Apply patches promptly to mitigate known vulnerabilities