CVE-2020-10390 : What You Need to Know
Learn about CVE-2020-10390, an OS Command Injection vulnerability in Chadha PHPKB Standard Multi-Language 9, allowing remote code execution. Find mitigation steps and preventive measures here.
Chadha PHPKB Standard Multi-Language 9 is vulnerable to OS Command Injection, allowing remote attackers to execute arbitrary code.
Understanding CVE-2020-10390
What is CVE-2020-10390?
This CVE refers to an OS Command Injection vulnerability in Chadha PHPKB Standard Multi-Language 9, enabling attackers to execute malicious code remotely.
The Impact of CVE-2020-10390
The vulnerability allows remote attackers to achieve code execution by manipulating the wkhtmltopdf path via a specific PHP file.
Technical Details of CVE-2020-10390
Vulnerability Description
The issue arises from a vulnerable function in export.php, which is called from include/functions-article.php, enabling attackers to save and execute code via admin/save-settings.php.
Affected Systems and Versions
- Product: Chadha PHPKB Standard Multi-Language 9
- Version: Not specified
Exploitation Mechanism
Attackers can exploit this vulnerability by saving malicious code as the wkhtmltopdf path, leading to code execution.
Mitigation and Prevention
Immediate Steps to Take
- Implement input validation to prevent unauthorized code execution.
- Regularly monitor and update the PHPKB installation for security patches.
Long-Term Security Practices
- Conduct regular security audits and penetration testing to identify and address vulnerabilities.
- Educate developers on secure coding practices to prevent similar issues.
Patching and Updates
Apply security patches provided by Chadha PHPKB to address the OS Command Injection vulnerability.