CVE-2020-6118 : Security Advisory and Response
Learn about CVE-2020-6118, a medium-severity SQL injection vulnerability in OS4Ed openSIS 7.3. Find out the impact, technical details, affected systems, exploitation mechanism, and mitigation steps.
SQL injection vulnerabilities exist in the CheckDuplicateStudent.php page of OS4Ed openSIS 7.3. An attacker can exploit the bmonth parameter to trigger SQL injection, potentially leading to unauthorized access.
Understanding CVE-2020-6118
This CVE involves SQL injection vulnerabilities in OS4Ed openSIS 7.3, specifically in the CheckDuplicateStudent.php page.
What is CVE-2020-6118?
CVE-2020-6118 is a medium-severity vulnerability that allows attackers to perform SQL injection attacks through the bmonth parameter in the CheckDuplicateStudent.php page of OS4Ed openSIS 7.3.
The Impact of CVE-2020-6118
- Base Score: 6.4 (Medium Severity)
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: Low
- Scope: Changed
- Confidentiality Impact: Low
- Integrity Impact: Low
- User Interaction: None
- Availability Impact: None
Technical Details of CVE-2020-6118
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability arises due to inadequate input validation in the bmonth parameter of the CheckDuplicateStudent.php page, enabling attackers to inject malicious SQL queries.
Affected Systems and Versions
- Affected Product: OS4Ed openSIS 7.3
Exploitation Mechanism
Attackers can exploit the SQL injection vulnerability by sending crafted HTTP requests with malicious SQL code in the bmonth parameter, potentially gaining unauthorized access to the system.
Mitigation and Prevention
Protecting systems from CVE-2020-6118 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Implement input validation mechanisms to sanitize user inputs.
- Monitor and analyze network traffic for suspicious activities.
Long-Term Security Practices
- Conduct regular security audits and penetration testing.
- Educate developers and system administrators on secure coding practices.
- Keep systems and software updated with the latest security patches.
- Employ web application firewalls to filter and block malicious traffic.
Patching and Updates
Ensure that the OS4Ed openSIS 7.3 system is updated with the latest patches to mitigate the SQL injection vulnerability.