CVE-2019-6714 : Exploit Details and Defense Strategies

A security problem was found in BlogEngine.NET version 3.3.6. This vulnerability allows unauthenticated users to load a component from an untrusted location on the local filesystem, potentially leading to remote code execution.

Understanding CVE-2019-6714

This CVE identifies a path traversal and Local File Inclusion vulnerability in BlogEngine.NET version 3.3.6.0.

What is CVE-2019-6714?

This vulnerability in PostList.ascx.cs enables unauthenticated users to load the PostView.ascx component from an untrusted local filesystem location, posing a risk of remote code execution, especially if an authenticated user uploads a PostView.ascx file.

The Impact of CVE-2019-6714

The vulnerability allows unauthenticated users to potentially execute remote code on the affected system, compromising its security.

Technical Details of CVE-2019-6714

This section provides more technical insights into the vulnerability.

Vulnerability Description

The flaw in PostList.ascx.cs permits unauthenticated users to access the PostView.ascx component from an untrusted local filesystem location, leading to potential remote code execution.

Affected Systems and Versions

Product: BlogEngine.NET
Version: 3.3.6.0

Exploitation Mechanism

The vulnerability arises from a path traversal and Local File Inclusion issue in BlogEngine.NET version 3.3.6.0, allowing unauthenticated users to load components from untrusted locations on the local filesystem.

Mitigation and Prevention

Protect your systems from CVE-2019-6714 with the following steps:

Immediate Steps to Take

Disable file manager utility if not essential
Implement access controls to restrict unauthenticated access

Long-Term Security Practices

Regularly update BlogEngine.NET to the latest secure version
Conduct security audits to identify and address vulnerabilities

Patching and Updates

Apply patches provided by BlogEngine.NET to fix the vulnerability