CVE-2017-1000453 : Security Advisory and Response

CMS Made Simple versions 2.1.6 and 2.2 are vulnerable to a Smarty templating injection allowing unauthenticated PHP code execution.

Understanding CVE-2017-1000453

Certain core modules in CMS Made Simple versions 2.1.6 and 2.2 have a vulnerability that allows for Smarty templating injection, potentially leading to PHP code execution without authentication.

What is CVE-2017-1000453?

This CVE refers to a security vulnerability in CMS Made Simple versions 2.1.6 and 2.2 that enables attackers to inject Smarty templating code, leading to the execution of PHP code without the need for authentication.

The Impact of CVE-2017-1000453

The vulnerability in CMS Made Simple versions 2.1.6 and 2.2 can have the following impacts:

Unauthorized execution of PHP code
Potential compromise of the affected system

Technical Details of CVE-2017-1000453

Vulnerability Description

The vulnerability allows for Smarty templating injection in certain core modules of CMS Made Simple versions 2.1.6 and 2.2, enabling unauthenticated execution of PHP code.

Affected Systems and Versions

Affected Versions: 2.1.6 and 2.2 of CMS Made Simple

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious Smarty templating code into the affected core modules, leading to the execution of unauthorized PHP code.

Mitigation and Prevention

Immediate Steps to Take

To mitigate the risks associated with CVE-2017-1000453, users should:

Update CMS Made Simple to a patched version
Implement strict input validation to prevent code injection
Monitor system logs for any suspicious activities

Long-Term Security Practices

To enhance overall security posture, consider implementing the following practices:

Regular security audits and code reviews
Stay informed about security updates and patches

Patching and Updates

Ensure timely installation of security patches and updates provided by CMS Made Simple to address the vulnerability.