CVE-2019-16885 : What You Need to Know

A vulnerability in OkayCMS up to version 2.3.4 allows remote code execution by injecting a malicious PHP object through manipulated cookies.

Understanding CVE-2019-16885

This CVE identifies a critical security issue in OkayCMS that enables attackers to execute remote code through specially crafted cookies.

What is CVE-2019-16885?

In OkayCMS versions up to 2.3.4, an unauthenticated attacker can achieve remote code execution by inserting a malicious PHP object via manipulated cookies. The vulnerability exists in two locations within the system.

The Impact of CVE-2019-16885

The exploitation of this vulnerability can lead to unauthorized remote code execution, potentially compromising the entire system and sensitive data stored within it.

Technical Details of CVE-2019-16885

This section delves into the specific technical aspects of the CVE.

Vulnerability Description

The flaw in OkayCMS allows attackers to execute remote code by manipulating cookies in view/ProductsView.php and api/Comparison.php.

Affected Systems and Versions

OkayCMS versions up to 2.3.4 are vulnerable to this exploit.

Exploitation Mechanism

Attackers can insert a malicious PHP object through manipulated cookies, specifically the price_filter and comparison cookies.

Mitigation and Prevention

Protecting systems from CVE-2019-16885 requires immediate action and long-term security practices.

Immediate Steps to Take

Update OkayCMS to the latest version to patch the vulnerability.
Monitor and restrict cookie usage to prevent unauthorized injections.

Long-Term Security Practices

Implement strict input validation to prevent malicious code injections.
Regularly audit and review code for potential vulnerabilities.

Patching and Updates

Apply security patches promptly to address known vulnerabilities and enhance system security.