CVE-2020-6119 : Exploit Details and Defense Strategies
Learn about CVE-2020-6119, a medium-severity SQL injection vulnerability in OS4Ed openSIS 7.3. Understand the impact, affected systems, exploitation method, and mitigation steps.
SQL injection vulnerabilities exist in the CheckDuplicateStudent.php page of OS4Ed openSIS 7.3. An attacker can exploit the 'byear' parameter through an authenticated HTTP request.
Understanding CVE-2020-6119
This CVE involves SQL injection vulnerabilities in OS4Ed openSIS 7.3.
What is CVE-2020-6119?
CVE-2020-6119 is a medium-severity vulnerability in OS4Ed openSIS 7.3, allowing attackers to perform SQL injection attacks via the 'byear' parameter.
The Impact of CVE-2020-6119
The vulnerability has a CVSS base score of 6.4 (Medium severity) and can be exploited with low privileges and no user interaction. It affects confidentiality and integrity but not availability.
Technical Details of CVE-2020-6119
This section provides more technical insights into the vulnerability.
Vulnerability Description
The SQL injection vulnerability in CheckDuplicateStudent.php allows attackers to manipulate SQL queries through the 'byear' parameter, potentially leading to data exposure or manipulation.
Affected Systems and Versions
- Product: OS4Ed
- Version: OS4Ed openSIS 7.3
Exploitation Mechanism
Attackers can exploit the vulnerability by sending crafted HTTP requests with malicious SQL code in the 'byear' parameter, enabling them to interact with the database.
Mitigation and Prevention
Protecting systems from CVE-2020-6119 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches or updates provided by the vendor promptly.
- Implement input validation mechanisms to sanitize user inputs and prevent SQL injection attacks.
- Monitor and log SQL errors or unusual database activities that could indicate exploitation attempts.
Long-Term Security Practices
- Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
- Educate developers and system administrators on secure coding practices and the risks associated with SQL injection.
Patching and Updates
Regularly check for security advisories from OS4Ed and apply patches or updates to address known vulnerabilities.