CVE-2020-6135 : What You Need to Know
Learn about CVE-2020-6135, a medium-severity SQL injection vulnerability in OS4Ed openSIS 7.3. Discover the impact, affected systems, exploitation details, and mitigation steps to secure your environment.
An SQL injection vulnerability in OS4Ed openSIS 7.3 allows attackers to execute malicious SQL commands through specially crafted HTTP requests.
Understanding CVE-2020-6135
This CVE involves a medium-severity SQL injection vulnerability in OS4Ed openSIS 7.3.
What is CVE-2020-6135?
CVE-2020-6135 is an SQL injection vulnerability in the Validator.php functionality of OS4Ed openSIS 7.3. Attackers can exploit this issue by sending crafted HTTP requests to execute unauthorized SQL commands.
The Impact of CVE-2020-6135
- CVSS Base Score: 6.4 (Medium Severity)
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: Low
- Scope: Changed
- User Interaction: None
- Confidentiality Impact: Low
- Integrity Impact: Low
- Availability Impact: None
Technical Details of CVE-2020-6135
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability allows attackers to perform SQL injection attacks by manipulating HTTP requests to the Validator.php component of OS4Ed openSIS 7.3.
Affected Systems and Versions
- Affected Product: OS4Ed
- Affected Version: OS4Ed openSIS 7.3
Exploitation Mechanism
Attackers can exploit this vulnerability by sending specially crafted HTTP requests to the affected component, enabling them to execute arbitrary SQL commands.
Mitigation and Prevention
Protecting systems from CVE-2020-6135 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply vendor-supplied patches or updates promptly.
- Implement input validation mechanisms to sanitize user inputs.
- Monitor and filter incoming HTTP requests for suspicious patterns.
Long-Term Security Practices
- Conduct regular security assessments and penetration testing.
- Educate developers and administrators on secure coding practices.
- Keep systems and software up to date with the latest security patches.
- Implement network security measures to detect and prevent SQL injection attacks.
- Utilize web application firewalls to filter and block malicious traffic.
- Employ least privilege principles to limit access to sensitive database operations.
- Consider using parameterized queries to prevent SQL injection vulnerabilities.
Patching and Updates
Ensure that OS4Ed openSIS 7.3 is updated with the latest patches provided by the vendor to mitigate the SQL injection vulnerability.