CVE-2019-11517 : Vulnerability Insights and Analysis

WampServer before 3.1.9 is vulnerable to a CSRF issue in the add_vhost.php file, allowing unauthorized manipulation of vhosts.

Understanding CVE-2019-11517

What is CVE-2019-11517?

The vulnerability in WampServer prior to version 3.1.9 exposes a Cross-Site Request Forgery (CSRF) flaw in the add_vhost.php file, enabling attackers to modify vhosts without permission.

The Impact of CVE-2019-11517

The incomplete implementation of the synchronizer pattern, meant to address a previous CVE, allows malicious actors to add or delete vhosts without consent, posing a risk to server integrity and data confidentiality.

Technical Details of CVE-2019-11517

Vulnerability Description

The CSRF vulnerability in WampServer arises due to the incomplete synchronizer pattern, leaving vhosts susceptible to unauthorized modifications.

Affected Systems and Versions

Product: WampServer
Versions: Before 3.1.9

Exploitation Mechanism

Attackers can exploit this vulnerability by sending unauthorized requests to the add_vhost.php file, manipulating vhosts without proper authorization.

Mitigation and Prevention

Immediate Steps to Take

Update WampServer to version 3.1.9 or later to patch the CSRF vulnerability.
Implement strict access controls and validation mechanisms to prevent unauthorized access to server configurations.

Long-Term Security Practices

Regularly monitor server logs for suspicious activities related to vhost modifications.
Conduct security audits to identify and address any potential vulnerabilities in server configurations.

Patching and Updates

Apply security patches and updates provided by WampServer promptly to mitigate the CSRF risk and enhance overall system security.