CVE-2018-16397 : Vulnerability Insights and Analysis
Learn about CVE-2018-16397, a vulnerability in LimeSurvey allowing admin users to access any file via 'file upload' questions. Find mitigation steps and prevention measures here.
In versions of LimeSurvey prior to 3.14.7, an administrator user has the ability to utilize a 'file upload' question to access and examine any desired file.
Understanding CVE-2018-16397
In LimeSurvey before 3.14.7, an admin user can leverage a 'file upload' question to read an arbitrary file.
What is CVE-2018-16397?
This CVE refers to a vulnerability in LimeSurvey that allows an admin user to exploit a 'file upload' question to access and view any file.
The Impact of CVE-2018-16397
The vulnerability could lead to unauthorized access to sensitive files and data stored on the system, compromising confidentiality and potentially exposing sensitive information.
Technical Details of CVE-2018-16397
Vulnerability Description
An admin user in LimeSurvey versions prior to 3.14.7 can exploit the 'file upload' question feature to read any file on the system.
Affected Systems and Versions
- Product: LimeSurvey
- Versions Affected: Prior to 3.14.7
Exploitation Mechanism
The admin user can upload a file through the 'file upload' question feature and access any file on the system, potentially leading to unauthorized data exposure.
Mitigation and Prevention
Immediate Steps to Take
- Upgrade LimeSurvey to version 3.14.7 or newer to mitigate the vulnerability.
- Restrict admin privileges to minimize the risk of unauthorized file access.
Long-Term Security Practices
- Regularly review and monitor file upload activities on the platform.
- Educate users on secure file handling practices to prevent unauthorized access.
Patching and Updates
Ensure timely installation of security patches and updates for LimeSurvey to address known vulnerabilities.