Yonyou ICC Arbitrary File Download Scanner

Yonyou ICC is an integrated business management software often used by enterprises for facilitating various organizational processes, improving productivity, and managing resources. It is developed by Yonyou, a leading software provider in China, catering primarily to large corporations across diverse industries. Yonyou ICC's primary purpose is to streamline workflow through modules that enable collaboration, financial management, supply chain coordination, and human resource operations. Organizations rely on it to consolidate data and actions into a single framework, thus reducing operational risk and increasing efficiency. As a robust enterprise solution, it is employed by IT departments for customization and scalability to align with business objectives. The software's wide range of functionalities makes it pivotal for the comprehensive digital transformation of businesses aiming for sustainable growth.

The arbitrary file download vulnerability identified in Yonyou ICC permits unauthorized users to read files from the server. This flaw arises when file access paths are not properly sanitized, allowing attackers to manipulate URL parameters to gain access to sensitive or critical files. It poses significant risks as confidential information stored on the server could be compromised. The vulnerability can occur if directory traversal checks are bypassed or improperly executed. Additionally, the inability to restrict file path access based on user permissions exacerbates the vulnerability. Organizations must address this issue to prevent potential data breaches and unauthorized access.

Technical details of the Yonyou ICC vulnerability highlight a specific issue where the 'getfile.jsp' endpoint is susceptible to exploitation. Attackers can employ crafted HTTP requests with path traversal sequences to bypass security controls. By manipulating query parameters that lack input validation, they can access files such as '/etc/passwd', posing significant security risks. The presence of such vulnerabilities is critical, as it opens the door for unauthorized access to sensitive system files and configurations. Adjusting the application's logic to enforce strict input validation and restricting file access to designated directories are imperative measures.

If successfully exploited, this vulnerability can lead to unauthorized extraction of critical files, resulting in data theft, exposure of sensitive information, or further system compromise. Sensitive data such as configuration files or authentication credentials could be exposed to malicious entities. Potential attackers leveraging this vulnerability may further escalate their privileges within the network, leading to broader system disruptions. Organizations affected by this flaw are at significant risk of both financial and reputational damage, underlining the urgency for remedial action. Addressing the vulnerability is essential to maintain system integrity and protect confidential data.

REFERENCES

• https://www.yonyou.com/