CVE-2018-6411 Explained : Impact and Mitigation

A vulnerability has been identified in Appnitro MachForm versions prior to 4.2.3 that allows for potential SQL Injection bypass when configuring form filters.

Understanding CVE-2018-6411

This CVE involves a security issue in Appnitro MachForm versions before 4.2.3 that could lead to a bypass in filtering hazardous file extensions.

What is CVE-2018-6411?

CVE-2018-6411 is a vulnerability in Appnitro MachForm versions prior to 4.2.3 that enables a potential SQL Injection bypass when setting form filters.

The Impact of CVE-2018-6411

The vulnerability allows dangerous file extensions to evade detection when filtering is set to a whitelist, posing a risk of unauthorized access and data compromise.

Technical Details of CVE-2018-6411

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The issue arises in Appnitro MachForm before version 4.2.3, where setting the form filter to a whitelist can be exploited through ap_form_elements SQL Injection, enabling the bypass of dangerous file extensions.

Affected Systems and Versions

Product: Appnitro MachForm
Vendor: Appnitro
Versions Affected: Prior to 4.2.3

Exploitation Mechanism

The vulnerability can be exploited by manipulating the form filter settings to allow hazardous file extensions to bypass the filtering process.

Mitigation and Prevention

To address CVE-2018-6411, follow these mitigation steps:

Immediate Steps to Take

Update Appnitro MachForm to version 4.2.3 or later.
Review and adjust form filter configurations to prevent SQL Injection bypass.

Long-Term Security Practices

Regularly monitor and update security configurations.
Conduct security audits to identify and address vulnerabilities proactively.

Patching and Updates

Apply patches and updates provided by Appnitro to fix the vulnerability and enhance security measures.