CVE-2017-5611 Explained : Impact and Mitigation

A vulnerability known as SQL injection has been discovered in the file wp-includes/class-wp-query.php in WP_Query within WordPress versions earlier than 4.7.2. This vulnerability enables attackers from a remote location to execute SQL commands of their choice by exploiting a flaw in a plugin or theme that mishandles a specifically crafted post type name.

Understanding CVE-2017-5611

This CVE involves a SQL injection vulnerability in WordPress versions prior to 4.7.2, allowing remote attackers to execute arbitrary SQL commands.

What is CVE-2017-5611?

CVE-2017-5611 is a security vulnerability in WordPress that permits remote attackers to execute SQL commands by exploiting a flaw in a plugin or theme.

The Impact of CVE-2017-5611

The vulnerability allows attackers to manipulate SQL commands, potentially leading to data theft, modification, or unauthorized access within affected WordPress installations.

Technical Details of CVE-2017-5611

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The SQL injection vulnerability in wp-includes/class-wp-query.php in WP_Query in WordPress before 4.7.2 allows remote attackers to execute arbitrary SQL commands by leveraging the presence of an affected plugin or theme that mishandles a crafted post type name.

Affected Systems and Versions

Affected Systems: WordPress versions earlier than 4.7.2
Affected Components: wp-includes/class-wp-query.php

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating a specially crafted post type name within a plugin or theme, allowing them to execute SQL commands remotely.

Mitigation and Prevention

Protecting systems from CVE-2017-5611 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update WordPress to version 4.7.2 or later to mitigate the vulnerability.
Regularly monitor and audit plugins and themes for security updates.
Implement strict input validation to prevent SQL injection attacks.

Long-Term Security Practices

Stay informed about security advisories and updates from WordPress.
Conduct regular security assessments and penetration testing on WordPress installations.
Educate users and administrators about safe coding practices and security best practices.

Patching and Updates

Apply patches and updates released by WordPress promptly to address security vulnerabilities and enhance system security.