CVE-2018-19907 : Vulnerability Insights and Analysis

A vulnerability known as Server-Side Template Injection has been found in Crafter CMS 3.0.18. This vulnerability allows individuals with developer privileges to execute operating system commands by manipulating template files with a ".ftl" extension.

Understanding CVE-2018-19907

This CVE identifies a critical security issue in Crafter CMS 3.0.18 that enables unauthorized command execution through template manipulation.

What is CVE-2018-19907?

Server-Side Template Injection vulnerability in Crafter CMS 3.0.18 allows attackers with developer privileges to run OS commands by modifying template files with a ".ftl" extension.

The Impact of CVE-2018-19907

The vulnerability permits unauthorized individuals to execute commands on the underlying operating system, potentially leading to data breaches, system compromise, and unauthorized access.

Technical Details of CVE-2018-19907

This section delves into the technical aspects of the CVE.

Vulnerability Description

The issue arises from the ability of developers to trigger a call to freemarker.template.utility.Execute within the FreeMarker library while rendering web pages, enabling the execution of arbitrary OS commands.

Affected Systems and Versions

Crafter CMS 3.0.18

Exploitation Mechanism

Attackers exploit the vulnerability by creating or editing template files with a ".ftl" extension, which triggers the execution of OS commands during the rendering process.

Mitigation and Prevention

Protecting systems from CVE-2018-19907 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Crafter CMS to a patched version that addresses the vulnerability.
Restrict developer privileges to prevent unauthorized access to template files.

Long-Term Security Practices

Regularly monitor and audit template files for unauthorized modifications.
Educate developers on secure coding practices to prevent similar vulnerabilities.

Patching and Updates

Apply security patches provided by Crafter CMS to fix the Server-Side Template Injection vulnerability.