CVE-2021-41765 : What You Need to Know
Learn about CVE-2021-41765, a SQL injection flaw in ResourceSpace versions 9.5 and 9.6 < rev 18274, enabling remote unauthenticated attackers to execute arbitrary SQL commands and potentially gain unauthorized access to the database.
ResourceSpace version 9.5 and 9.6 < rev 18274 are susceptible to a SQL injection vulnerability in pages/edit_fields/9_ajax/add_keyword.php. This flaw allows remote unauthenticated attackers to execute arbitrary SQL commands, potentially revealing sensitive database information.
Understanding CVE-2021-41765
This CVE concerns a SQL injection vulnerability in ResourceSpace version 9.5 and 9.6 < rev 18274, enabling attackers to manipulate SQL queries.
What is CVE-2021-41765?
The SQL injection issue in ResourceSpace allows remote unauthenticated attackers to run arbitrary SQL commands via the k parameter, potentially accessing the complete database contents, including user session cookies. With an admin session cookie, attackers could execute malicious code on the server.
The Impact of CVE-2021-41765
- Remote unauthenticated attackers can execute arbitrary SQL commands
- Unauthorized access to the complete ResourceSpace database
- Possibility of executing arbitrary code on the server
Technical Details of CVE-2021-41765
This section dives into the specific technical aspects of the vulnerability.
Vulnerability Description
The vulnerability lies in pages/edit_fields/9_ajax/add_keyword.php in ResourceSpace versions 9.5 and 9.6 < rev 18274, allowing attackers to perform SQL injection attacks.
Affected Systems and Versions
- Affected Version: ResourceSpace 9.5 and 9.6 < rev 18274
- No specific product or vendor mentioned due to the nature of the vulnerability
Exploitation Mechanism
Attackers exploit the vulnerability by injecting malicious SQL commands via the k parameter in the affected PHP file.
Mitigation and Prevention
Protecting systems from such vulnerabilities is crucial to maintaining security.
Immediate Steps to Take
- Update ResourceSpace to a patched version
- Implement proper input validation mechanisms
- Monitor and analyze database queries for abnormalities
Long-Term Security Practices
- Conduct regular security audits and penetration testing
- Educate developers and administrators on secure coding practices
- Enforce the principle of least privilege
Patching and Updates
- Apply security patches promptly
- Stay informed about software updates and security advisories