FineReport Remote Code Execution Scanner

FineReport is a data and reporting tool widely used by businesses and organizations for generating complex data reports from various data sources. It is utilized by data analysts, IT departments, and business intelligence professionals to create real-time business reports and data visualizations. The software serves across industries, including finance, manufacturing, and healthcare, for monitoring business operations and optimizing decision-making processes. FineReport's integration capabilities allow seamless connection with other Business Intelligence tools and data platforms. It boasts features like self-service reporting, dashboard design, and data entry, enhancing its value in the corporate environment. The product is known for its user-friendly interface and comprehensive data processing capabilities, which cater to a variety of business requirements.

Remote Code Execution (RCE) is a critical security vulnerability that allows an attacker to execute arbitrary code on a vulnerable system. This vulnerability can be exploited remotely without requiring physical access to the compromised system. RCE vulnerabilities occur due to improper validation of user inputs and lack of sufficient security controls. When exploited, an attacker can execute harmful scripts or code that can compromise the integrity, confidentiality, and availability of the target system. The impact of a successful RCE attack can be severe, potentially leading to unauthorized data access, system corruption, and further network intrusions. Organizations need to implement robust security mechanisms to prevent such vulnerabilities.

The vulnerability in FineReport arises from the ability to execute SQL statements via the GET parameter 'n' in the URL '/webroot/decision/view/ReportServer'. This vulnerability is specifically tied to the use of Fanruan's sqlite-jdbc-x.x.x.x.jar driver, which improperly handles certain requests and leads to a pathway for RCE. An attacker could potentially manipulate the GET request to execute arbitrary SQL commands, leading to the execution of unwanted operations. For the vulnerability to be successfully exploited, the server must process the crafted HTTP GET request and return a valid 200 or 302 status response. This creates a significant risk factor as it opens the system to unauthorized and potentially damaging actions.

Exploitation of this vulnerability can result in severe consequences including full control over the compromised system, unauthorized access to sensitive data, and potential spread of malware within the network. Attackers can exploit this pathway to install backdoors, or exfiltrate data, ultimately leading to significant financial losses and reputational damage to the organization. The execution of malicious code could disrupt business operations and lead to compliance violations, especially if the breach involves personal or sensitive customer information. The full scale of the impact depends on the specific environment and systems configured around FineReport.

REFERENCES

• https://github.com/wy876/POC/blob/main/%E5%B8%86%E8%BD%AF%E7%B3%BB%E7%BB%9FReportServer%E5%AD%98%E5%9C%A8SQL%E6%B3%A8%E5%85%A5%E6%BC%8F%E6%B4%9E%E5%AF%BC%E8%87%B4RCE.md