CVE-2018-18771 Explained : Impact and Mitigation
Learn about CVE-2018-18771 affecting LuLu CMS, allowing arbitrary file uploads. Find out the impact, affected systems, exploitation details, and mitigation steps.
LuLu CMS has a vulnerability that allows arbitrary file uploads through specific text input fields.
Understanding CVE-2018-18771
This CVE identifies a security flaw in LuLu CMS that enables unauthorized file uploads.
What is CVE-2018-18771?
LuLu CMS, up to 2015-05-14, is susceptible to arbitrary file uploads via the DefaultController.php file in the backend\modules\filemanager\controllers directory.
The Impact of CVE-2018-18771
This vulnerability permits attackers to upload files of their choice, potentially leading to unauthorized access and execution of malicious code.
Technical Details of CVE-2018-18771
LuLu CMS vulnerability specifics and affected systems.
Vulnerability Description
The flaw in DefaultController.php allows for arbitrary file uploads by inputting filenames, directory names, and PHP code into designated text fields.
Affected Systems and Versions
- Product: LuLu CMS
- Vendor: N/A
- Versions: Up to 2015-05-14
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating the text input fields to upload malicious files onto the system.
Mitigation and Prevention
Steps to address and prevent exploitation of CVE-2018-18771.
Immediate Steps to Take
- Disable file uploads in LuLu CMS if not essential.
- Implement input validation to restrict file types and sizes.
- Regularly monitor file uploads for suspicious activity.
Long-Term Security Practices
- Keep LuLu CMS updated with the latest security patches.
- Conduct regular security audits and penetration testing.
Patching and Updates
- Apply patches provided by LuLu CMS to fix the vulnerability and enhance system security.