CVE-2018-16774 : Exploit Details and Defense Strategies

HongCMS 3.0.0 allows arbitrary file deletion through a specific vulnerability.

Understanding CVE-2018-16774

In September 2018, CVE-2018-16774 was published, highlighting a security flaw in HongCMS 3.0.0.

What is CVE-2018-16774?

The vulnerability in HongCMS 3.0.0 permits the deletion of arbitrary files by manipulating the file parameter in a specific URL.

The Impact of CVE-2018-16774

This vulnerability could be exploited by attackers to delete critical files on the system, leading to data loss or system compromise.

Technical Details of CVE-2018-16774

HongCMS 3.0.0 vulnerability details and affected systems.

Vulnerability Description

The flaw in HongCMS 3.0.0 allows attackers to delete files by inserting "../" in the file parameter of a particular URL.

Affected Systems and Versions

Product: HongCMS
Version: 3.0.0

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the file parameter in the admin/index.php/language/ajax?action=delete URL.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2018-16774.

Immediate Steps to Take

Disable the affected functionality if possible.
Implement input validation to prevent directory traversal attacks.
Monitor file deletion activities for suspicious behavior.

Long-Term Security Practices

Regularly update and patch the HongCMS installation.
Conduct security audits to identify and address vulnerabilities proactively.

Patching and Updates

Ensure that the HongCMS software is updated to the latest version to patch the vulnerability.