CVE-2018-12493 : Security Advisory and Response

A vulnerability has been found in PublicCMS V4.0.20180210, allowing an attacker to exploit a Directory Traversal and Arbitrary file read vulnerability.

Understanding CVE-2018-12493

This CVE involves a security issue in PublicCMS V4.0.20180210 that enables attackers to perform unauthorized file access.

What is CVE-2018-12493?

This CVE identifies a vulnerability in PublicCMS V4.0.20180210 that permits attackers to execute a Directory Traversal and Arbitrary file read attack through a specific URI.

The Impact of CVE-2018-12493

The vulnerability allows attackers to access sensitive files and directories on the system, potentially leading to unauthorized data disclosure and system compromise.

Technical Details of CVE-2018-12493

PublicCMS V4.0.20180210 is susceptible to the following:

Vulnerability Description

An attacker can exploit a Directory Traversal and Arbitrary file read vulnerability using the admin/cmsWebFile/list.html?path=../ URI.

Affected Systems and Versions

Product: PublicCMS V4.0.20180210
Vendor: Not applicable
Version: Not applicable

Exploitation Mechanism

The attacker can manipulate the path parameter in the URI to traverse directories and read arbitrary files on the system.

Mitigation and Prevention

To address CVE-2018-12493, consider the following:

Immediate Steps to Take

Implement input validation to restrict user-controlled input
Apply security patches or updates provided by the vendor

Long-Term Security Practices

Regularly monitor and audit file access and permissions
Conduct security assessments and penetration testing to identify vulnerabilities

Patching and Updates

Stay informed about security advisories and updates from PublicCMS
Apply patches promptly to mitigate the risk of exploitation