CVE-2019-3852 : Vulnerability Insights and Analysis
Discover the impact of CVE-2019-3852 on Moodle before version 3.6.3. Learn about the vulnerability in get_with_capability_join and get_users_by_capability functions and how to mitigate the risk.
A weakness was discovered in Moodle before version 3.6.3, affecting the functions get_with_capability_join and get_users_by_capability.
Understanding CVE-2019-3852
What is CVE-2019-3852?
Before version 3.6.3, a weakness in Moodle allowed unauthorized users to bypass certain security restrictions.
The Impact of CVE-2019-3852
The vulnerability could lead to unauthorized access and potential data manipulation within Moodle instances.
Technical Details of CVE-2019-3852
Vulnerability Description
The functions get_with_capability_join and get_users_by_capability in Moodle did not properly consider context freezing, allowing users to exploit capabilities.
Affected Systems and Versions
- Product: Moodle
- Vendor: [UNKNOWN]
- Versions Affected: 3.6.3
Exploitation Mechanism
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: Low
- User Interaction: None
- Scope: Unchanged
- Integrity Impact: Low
Mitigation and Prevention
Immediate Steps to Take
- Upgrade Moodle to version 3.6.3 or later.
- Monitor Moodle instances for unauthorized access.
Long-Term Security Practices
- Regularly update Moodle to the latest version.
- Implement access controls and user permissions effectively.
Patching and Updates
- Apply security patches provided by Moodle to address vulnerabilities.