CVE-2021-40309 : Exploit Details and Defense Strategies
Discover insights into CVE-2021-40309, a SQL injection vulnerability in OS4Ed's OpenSIS 8.0 Take Attendance feature. Learn about impacts, technical details, and mitigation steps.
This CVE-2021-40309 article provides insight into a SQL injection vulnerability in OpenSIS 8.0, impacting the Take Attendance functionality.
Understanding CVE-2021-40309
CVE-2021-40309 involves a SQL injection vulnerability found in OS4Ed's OpenSIS 8.0, affecting the Take Attendance feature.
What is CVE-2021-40309?
A SQL injection flaw in the Take Attendance function of OpenSIS 8.0 allows attackers to insert malicious SQL queries via the vulnerable cp_id_miss_attn parameter in TakeAttendance.php.
The Impact of CVE-2021-40309
The vulnerability permits an authenticated attacker with 'Take Attendance' privileges to execute arbitrary SQL queries, potentially leading to unauthorized data access or manipulation.
Technical Details of CVE-2021-40309
This section delves into the specific technical aspects of CVE-2021-40309.
Vulnerability Description
- OS4Ed's OpenSIS 8.0 is susceptible to SQL injection via the cp_id_miss_attn parameter in TakeAttendance.php.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: Not applicable (affected)
Exploitation Mechanism
The attacker needs user access to the 'Take Attendance' functionality to exploit the SQL injection flaw.
Mitigation and Prevention
Learn how to secure your systems against CVE-2021-40309.
Immediate Steps to Take
- Disable 'Take Attendance' functionality if not essential.
- Implement input validation to sanitize user inputs.
- Regularly monitor and analyze database query logs for suspicious activities.
Long-Term Security Practices
- Conduct regular security training for staff to prevent social engineering attacks.
- Employ web application firewalls to filter and block malicious traffic.
- Keep abreast of security updates and patches from OS4Ed.
- Periodically conduct security assessments to identify and address vulnerabilities promptly.
Patching and Updates
Stay updated with security advisories and promptly apply patches and updates from OS4Ed to mitigate the SQL injection risk in OpenSIS 8.0.