CVE-2019-10188 : Security Advisory and Response
Discover the impact of CVE-2019-10188 on Moodle versions 3.7.1, 3.6.5, and 3.5.7. Learn about the vulnerability allowing teachers to alter group overrides in quizzes.
A vulnerability in Moodle versions 3.7.1, 3.6.5, and 3.5.7 allowed teachers in a quiz group to manipulate group overrides for other groups within the same quiz.
Understanding CVE-2019-10188
This CVE entry describes a security issue in Moodle that could potentially impact the integrity of quiz group settings.
What is CVE-2019-10188?
The vulnerability in Moodle versions 3.7.1, 3.6.5, and 3.5.7 enabled teachers from one group to modify group overrides for other groups in the same quiz, potentially leading to unauthorized changes in quiz settings.
The Impact of CVE-2019-10188
The vulnerability could result in unauthorized alterations to group overrides within quizzes, affecting the integrity of quiz results and potentially compromising the fairness of assessments.
Technical Details of CVE-2019-10188
This section provides detailed technical information about the CVE.
Vulnerability Description
The flaw in Moodle versions 3.7.1, 3.6.5, and 3.5.7 allowed teachers in a quiz group to alter group overrides for other groups within the same quiz, potentially leading to unauthorized changes in quiz settings.
Affected Systems and Versions
- Product: Moodle
- Vendor: The Moodle Project
- Affected Versions: 3.7.1, 3.6.5, 3.5.7
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Local
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Confidentiality Impact: None
- Integrity Impact: Low
- Availability Impact: None
Mitigation and Prevention
Protecting systems from CVE-2019-10188 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update Moodle to a patched version that addresses the vulnerability.
- Educate teachers and administrators about the issue to prevent unauthorized modifications.
Long-Term Security Practices
- Regularly monitor and audit quiz settings to detect any unauthorized changes.
- Implement role-based access controls to limit the ability to modify group overrides.
Patching and Updates
- Apply the latest security patches provided by Moodle to mitigate the vulnerability and enhance system security.