UFIDA NC Unrestricted File Upload Scanner

UFIDA NC is a comprehensive enterprise resource planning (ERP) software used by medium to large-sized enterprises for managing business processes. It serves various sectors including finance, supply chain management, and human resources. UFIDA NC is widely adopted by companies in China and other regions for its ability to streamline complex business operations. The application is deployed within corporate networks and accessed by authenticated users to ensure organizational efficiency. Due to its critical role in business operations, security vulnerabilities in UFIDA NC can have significant implications. Administrators use it to implement user roles, manage resources, and drive productivity across the organization.

The vulnerability in question, Unrestricted File Upload, allows unauthenticated users to upload potentially malicious files to the UFIDA NC server. This oversight can occur if file-uploading mechanisms lack proper security checks such as file type validation and authentication requirements. Exploiting this vulnerability can enable attackers to upload executable scripts and malicious payloads. Unrestricted File Upload vulnerabilities pose significant risks to web applications by allowing arbitrary files to be executed on the server. As such, it is a critical security concern for administrators managing applications like UFIDA NC. Proper handling of file uploads is crucial to prevent unauthorized access and system compromise.

The Unrestricted File Upload vulnerability is exploited by sending HTTP POST requests to the 'grouptemplet' endpoint of UFIDA NC. Attackers craft multipart form-data requests to bypass security measures and upload malicious JSP files. The vulnerability is triggered by the absence of authentication requirements and lack of input sanitization on the file type. The exploitation process involves uploading a JSP file via POST request and subsequently executing the uploaded file through a GET request. Successful exploitation allows attackers to execute arbitrary code on the server, leading to severe security breaches. This technical flaw highlights the need for stringent validation checks on file uploads in web applications.

When exploited, the Unrestricted File Upload vulnerability can lead to unauthorized execution of code, compromising the integrity and confidentiality of corporate data. Attackers can gain administrative access, elevate privileges, and manipulate sensitive information. This can result in data breaches, financial loss, and reputational damage to affected organizations. Malicious scripts can be executed to initiate further attacks, allowing for a foothold within the corporate network. Businesses utilizing vulnerable UFIDA NC instances may face operational disruptions and increased scrutiny from regulatory bodies. This vulnerability underscores the importance of applying security patches and configurations regularly.

REFERENCES

• https://www.seebug.org/vuldb/ssvid-99547
• https://github.com/Augensternyu/POC-bomber/blob/main/pocs/redteam/yongyou_nc_fileupload_2022.py