CVE-2018-16979 : Exploit Details and Defense Strategies

Monstra CMS V3.0.4 is vulnerable to HTTP header injection in the cfg parameter of the cryptographp.php file, similar to CVE-2012-2943.

Understanding CVE-2018-16979

This CVE identifies a security vulnerability in Monstra CMS V3.0.4 that allows HTTP header injection.

What is CVE-2018-16979?

The cfg parameter in the plugins/captcha/crypt/cryptographp.php file of Monstra CMS V3.0.4 is susceptible to HTTP header injection, posing a security risk.

The Impact of CVE-2018-16979

This vulnerability could be exploited by attackers to manipulate HTTP headers, potentially leading to various attacks such as cross-site scripting (XSS) or data exfiltration.

Technical Details of CVE-2018-16979

Monstra CMS V3.0.4's vulnerability to HTTP header injection is a critical security issue that requires attention.

Vulnerability Description

The cfg parameter in the cryptographp.php file of Monstra CMS V3.0.4 is not properly sanitized, allowing malicious actors to inject and manipulate HTTP headers.

Affected Systems and Versions

Product: Monstra CMS
Version: 3.0.4

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious content into the cfg parameter, enabling them to control HTTP headers and potentially launch attacks.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2018-16979.

Immediate Steps to Take

Update Monstra CMS to a patched version that addresses the HTTP header injection vulnerability.
Implement strict input validation and sanitization mechanisms to prevent unauthorized header manipulation.

Long-Term Security Practices

Regularly monitor and audit HTTP requests and responses for unusual or malicious headers.
Educate developers on secure coding practices to prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security updates and patches released by Monstra CMS to address CVE-2018-16979 and other vulnerabilities.