CVE-2018-10083 : Security Advisory and Response
Learn about CVE-2018-10083, a vulnerability in CMS Made Simple (CMSMS) up to version 2.2.7 allowing arbitrary file deletion. Find out the impact, affected systems, exploitation, and mitigation steps.
CMS Made Simple (CMSMS) up to version 2.2.7 is vulnerable to arbitrary file deletion through directory traversal sequences in the val parameter of a cmd=del request.
Understanding CVE-2018-10083
This CVE identifies a security flaw in CMS Made Simple (CMSMS) that allows attackers to delete files arbitrarily.
What is CVE-2018-10083?
The vulnerability in CMS Made Simple (CMSMS) up to version 2.2.7 enables malicious actors to delete files by exploiting directory traversal sequences in the val parameter of a cmd=del request. This issue arises from inadequate restrictions on the val parameter within the modules\FilePicker code.
The Impact of CVE-2018-10083
The vulnerability can lead to unauthorized deletion of critical files, potentially causing data loss, system instability, and unauthorized access to sensitive information.
Technical Details of CVE-2018-10083
This section delves into the technical aspects of the CVE.
Vulnerability Description
The vulnerability in CMS Made Simple (CMSMS) up to version 2.2.7 allows for arbitrary file deletion due to the lack of proper restrictions on the val parameter within the modules\FilePicker code.
Affected Systems and Versions
- Affected Product: CMS Made Simple (CMSMS)
- Affected Version: Up to 2.2.7
Exploitation Mechanism
The vulnerability is exploited by inserting directory traversal sequences in the val parameter of a cmd=del request, enabling attackers to delete files.
Mitigation and Prevention
Protecting systems from CVE-2018-10083 is crucial to maintaining security.
Immediate Steps to Take
- Update CMS Made Simple (CMSMS) to a patched version that addresses the vulnerability.
- Implement proper input validation to prevent directory traversal attacks.
Long-Term Security Practices
- Regularly monitor and audit file deletion activities within the system.
- Educate users on secure coding practices to prevent similar vulnerabilities.
Patching and Updates
- Apply security patches provided by CMS Made Simple (CMSMS) promptly to mitigate the vulnerability.