CVE-2020-6140 : What You Need to Know

A SQL injection vulnerability in OS4Ed openSIS 7.3 allows attackers to manipulate the password reset functionality, potentially compromising data.

Understanding CVE-2020-6140

This CVE involves a critical SQL injection vulnerability in OS4Ed openSIS 7.3, impacting the password reset feature.

What is CVE-2020-6140?

The vulnerability lies in the password_stf_email parameter of the /opensis/ResetUserInfo.php page, enabling SQL injection attacks.
Attackers can exploit this flaw by sending crafted HTTP requests to execute malicious SQL commands.

The Impact of CVE-2020-6140

CVSS Base Score: 9.8 (Critical)
Severity: High impact on confidentiality, integrity, and availability of the system.
Attack Vector: Network-based with low complexity, requiring no user interaction.

Technical Details of CVE-2020-6140

This section delves into the specifics of the vulnerability.

Vulnerability Description

The flaw allows unauthorized SQL queries through the password reset mechanism, posing a significant security risk.

Affected Systems and Versions

Product: OS4Ed
Version: OS4Ed openSIS 7.3

Exploitation Mechanism

Attackers can inject SQL commands via the password_stf_email parameter, potentially accessing or modifying sensitive data.

Mitigation and Prevention

Protecting systems from CVE-2020-6140 requires immediate actions and long-term security measures.

Immediate Steps to Take

Disable the password reset functionality if not essential.
Implement input validation to sanitize user inputs and prevent SQL injection.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update and patch the OS4Ed openSIS software to address known vulnerabilities.
Conduct security audits and penetration testing to identify and remediate weaknesses.

Patching and Updates

Apply security patches provided by OS4Ed promptly to fix the SQL injection vulnerability.