CNVD-2019-06255 Scanner

CatfishCMS is a content management system that is utilized by small to medium-sized businesses and individual developers to create and manage websites efficiently. It offers a user-friendly interface, making it accessible to those with limited technical skills. The platform provides various functionalities including theme customization, plugin integration, and SEO optimization, allowing users to enhance their website's performance and appearance. It is commonly used by web developers for its open-source nature, which allows for extensive customization. CatfishCMS supports multiple languages, which makes it suitable for diverse user demographics globally. Its flexibility and ease of use make it a popular choice among freelancers and agencies managing multiple web projects.

The Remote Code Execution (RCE) vulnerability allows attackers to execute arbitrary code on a remote server running vulnerable versions of CatfishCMS. This type of vulnerability is critical as it can lead to full system compromise if exploited. The flaw exists due to insufficient validation of user input, specifically in the "method" parameter. An attacker can leverage this vulnerability to run malicious commands on the server, potentially leading to unauthorized data access or server manipulation. The impact of such a breach could be severe, affecting both the server's integrity and the confidentiality of stored data. Remote Code Execution vulnerabilities are often used as a stepping stone for further attacks, including data theft and complete system takeover.

The vulnerability details reveal that the exploit targets a specific parameter, "method," which does not properly sanitize input that users provide. This permits attackers to inject and run arbitrary commands within the server's environment. The “method” parameter vulnerability is akin to command injection, as it allows manipulating the normal execution flow of the application. Attackers typically craft specific payloads to be sent through HTTP requests to exploit this vulnerability. Successful exploitation generally results in receiving unauthorized access to execute server-level commands. It involves a GET request with a specifically constructed path that takes advantage of the vulnerable parameter. Consequently, identifying and understanding the affected endpoint is crucial for mitigation and protection.

If this vulnerability is exploited, attackers could gain full control over the server and execute any command at will, possibly leading to a complete takeover of the web application. This can facilitate further attacks such as injecting malware, stealing sensitive data, or spreading ransomware. Additionally, it might affect website availability, potentially resulting in financial losses and damage to reputation for businesses relying on CatfishCMS. The server could be used to launch attacks against other networked systems or to mine cryptocurrencies without the owner's consent. Thus, addressing this risk promptly is essential to protect the server environment and any data it processes.

REFERENCES

• https://its401.com/article/yun2diao/91344725
• https://github.com/xwlrbh/Catfish/issues/4