CVE-2018-20128 : Security Advisory and Response

A vulnerability has been found in UsualToolCMS v8.0 that allows attackers to delete files remotely through a crafted substring in a specific file.

Understanding CVE-2018-20128

This CVE entry describes a security issue in UsualToolCMS v8.0 that enables attackers to delete files remotely.

What is CVE-2018-20128?

This CVE identifies a vulnerability in UsualToolCMS v8.0 that permits attackers to delete files of their choice by exploiting a directory-traversal pathname with a specially crafted substring.

The Impact of CVE-2018-20128

The vulnerability in UsualToolCMS v8.0 can lead to unauthorized deletion of files by malicious actors, potentially causing data loss or system disruption.

Technical Details of CVE-2018-20128

This section provides technical details of the CVE-2018-20128 vulnerability.

Vulnerability Description

The issue exists in the file cmsadmin\a_sqlback.php, allowing remote attackers to delete arbitrary files using a directory-traversal pathname and a crafted substring.

Affected Systems and Versions

Product: UsualToolCMS v8.0
Vendor: Not applicable
Versions: Not applicable

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the directory-traversal pathname and inserting a specifically crafted substring to delete files remotely.

Mitigation and Prevention

Protect your systems from CVE-2018-20128 with the following measures:

Immediate Steps to Take

Disable access to the vulnerable file or directory.
Implement input validation to prevent directory-traversal attacks.

Long-Term Security Practices

Regularly update and patch UsualToolCMS to address security vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate potential weaknesses.

Patching and Updates

Apply security patches provided by UsualToolCMS to fix the vulnerability and enhance system security.