Learn about CVE-2022-39357 impacting Winter CMS Snowboard framework versions 1.1.8, 1.1.9, and 1.2.0. Follow mitigation steps to secure your system against prototype pollution.
Winter, a free and open-source content management system based on the Laravel PHP framework, is vulnerable to prototype pollution in the Snowboard framework. This CVE impacts versions 1.1.8, 1.1.9, and 1.2.0. Find out more about the impact, technical details, mitigation steps, and prevention methods below.
Understanding CVE-2022-39357
Winter CMS, utilizing the Snowboard framework, suffers from a critical vulnerability due to prototype pollution, affecting specific versions of the Snowboard class and its plugin loader.
What is CVE-2022-39357?
Winter's Snowboard framework versions 1.1.8, 1.1.9, and 1.2.0 are susceptible to prototype pollution, potentially leading to severe exploitation and unauthorized access.
The Impact of CVE-2022-39357
The vulnerability poses a significant threat by allowing attackers to manipulate JavaScript objects with malicious intent, compromising data integrity, and system availability.
Technical Details of CVE-2022-39357
Winter CMS users should understand the vulnerability description, affected systems, and how exploitation occurs.
Vulnerability Description
The Snowboard framework in Winter CMS versions 1.1.8, 1.1.9, and 1.2.0 lacks secure handling of object prototypes, making it prone to injection attacks and unauthorized data changes.
Affected Systems and Versions
Winter CMS versions >= 1.1.8, < 1.1.10, and version 1.2.0 are impacted by this vulnerability, exposing systems to potential security risks.
Exploitation Mechanism
Exploiting the prototype pollution flaw in Winter allows threat actors to inject and modify object properties, leading to unauthorized actions and system compromise.
Mitigation and Prevention
Protect your Winter CMS instance from CVE-2022-39357 by following essential mitigation and prevention strategies.
Immediate Steps to Take
Upgrade to Winter CMS versions 1.1.10 or 1.2.1 to apply the necessary security patches and eliminate the vulnerability. Implement strict JavaScript security measures to prevent future issues.
Long-Term Security Practices
Regularly monitor for security updates and apply patches promptly to safeguard your Winter CMS deployment against emerging threats.
Patching and Updates
Stay informed about Winter CMS security advisories and releases to stay ahead of potential security risks.