Hongfan OA ioAssistance.asmx Remote Code Execution Scanner

Hongfan iOffice is a comprehensive office automation suite used primarily in the healthcare sector, particularly in hospital environments. It facilitates the management of various administrative functions, improving efficiency and communication within the organization. Developed by Hongfan, this tool is designed to integrate seamlessly with existing systems and support multi-departmental operations. Key users typically include administrative staff, IT personnel, and healthcare managers who rely on it for scheduling, resource management, and record-keeping. The software streamlines operations by centralizing tasks and providing real-time data access across departments. Its versatility and targeted functionality make it a valuable asset in the healthcare industry.

Remote Code Execution (RCE) is a severe vulnerability that allows attackers to execute arbitrary commands on a target system remotely. This vulnerability arises when an application fails to properly sanitize input data, allowing malicious payloads to be executed via publicly exposed endpoints. RCE vulnerabilities are highly dangerous as they enable unauthorized access and full control over the affected system. Attackers can exploit this vulnerability to install malware, alter data, or cause significant disruptions to services. The prevalence of such vulnerabilities underscores the necessity for stringent security measures in software development to prevent unauthorized manipulations. Successfully executed RCE attacks often go unnoticed until significant damage has been done.

This specific RCE vulnerability in Hongfan iOffice can be exploited through a SOAP endpoint, specifically at 'ioAssistance.asmx'. The vulnerability lies within the SOAP message processing, wherein improperly sanitized SQL commands, such as the use of 'exec master.dbo.xp_cmdshell', can allow attackers to run arbitrary system-level commands. This particular endpoint allows commands to be executed through the SOAP body, exploiting the failure to validate user input. Attack vectors include XML payloads crafted to inject specific commands aimed at gaining unauthorized access or extracting sensitive information. The vulnerable parameter is the 'sql' field within the SOAP request, making it a critical point of security concern for administrators. Protection involves rigorous input validation and audit measures to ensure integrity and security of processed data.

If exploited, this vulnerability can lead to unauthorized access and control over hospital systems, potentially exposing sensitive patient data or disrupting critical healthcare operations. The effects of such an intrusion could range from data breaches to full system takeovers, where malicious entities gain the ability to manipulate system settings and data entries. The operational continuity of the hospital could be jeopardized, risking patient care and administrative functions. Furthermore, it could result in reputational damage to the healthcare facility and potential legal repercussions. This underscores the importance of implementing effective security controls and regular vulnerability assessments to safeguard against such threats.

REFERENCES

• https://github.com/FridaZhbk/pocscan/blob/main/%E7%BA%A2%E5%B8%86/oa%E7%BA%A2%E5%B8%86ioAssistance.asmx%E6%B3%A8%E5%85%A5RCE.py