CVE-2019-9708 : Security Advisory and Response
Discover the impact of CVE-2019-9708 on Mahara versions before 17.10.8, 18.04.4, and 18.10.1. Learn about the vulnerability allowing an administrator to lock all users out of the system and how to prevent it.
A vulnerability has been identified in versions of Mahara prior to 17.10.8, 18.04.4, and 18.10.1, allowing an administrator to inadvertently lock all users out of the system.
Understanding CVE-2019-9708
This CVE relates to a security issue in Mahara versions before specific releases, potentially leading to a system lockout scenario.
What is CVE-2019-9708?
This CVE describes a vulnerability in Mahara versions prior to 17.10.8, 18.04.4, and 18.10.1, where suspending the system user (root) can result in all users being locked out of the system.
The Impact of CVE-2019-9708
The vulnerability could lead to a denial of service situation where all users are unable to access the Mahara system due to an administrator action.
Technical Details of CVE-2019-9708
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The issue in Mahara versions before 17.10.8, 18.04.4, and 18.10.1 allows a site administrator to suspend the system user (root), causing all users to be locked out of the system.
Affected Systems and Versions
- Mahara versions prior to 17.10.8
- Mahara versions prior to 18.04.4
- Mahara versions prior to 18.10.1
Exploitation Mechanism
By suspending the system user (root) in affected Mahara versions, an administrator can trigger the lockout of all users from the system.
Mitigation and Prevention
Protecting systems from CVE-2019-9708 requires specific actions to prevent lockout scenarios.
Immediate Steps to Take
- Upgrade Mahara to versions 17.10.8, 18.04.4, or 18.10.1 to mitigate the vulnerability.
- Avoid suspending the system user (root) in earlier versions to prevent unintended lockouts.
Long-Term Security Practices
- Regularly update Mahara to the latest versions to ensure security patches are applied promptly.
- Educate administrators on proper system user management practices to prevent similar incidents.
Patching and Updates
- Stay informed about Mahara security updates and apply patches promptly to address known vulnerabilities.