Dahua EIMS Remote Code Execution Scanner

Dahua EIMS is a sophisticated electronic information management system used in security and surveillance sectors. It is deployed globally by organizations requiring advanced management of electronic data and security footage. This software is designed to facilitate seamless data capture, processing, and storage, ensuring efficient security operations. Its capabilities include real-time monitoring and automated data handling for large security networks. Dahua EIMS is utilized by corporate, government, and healthcare sectors, prioritizing robustness and security. The system is a cornerstone in environments where data accuracy and security are paramount.

Remote Code Execution (RCE) is a critical vulnerability that allows attackers to execute arbitrary commands on a target system. This can lead to a complete system compromise and unauthorized control over the affected servers. Exploiting this vulnerability typically requires identifying and exploiting a flaw within the software that inadvertently grants access to execute commands remotely. As RCE poses significant security risks, it is often targeted by attackers to gain persistent access and control over critical systems. Defending against RCE requires diligent security practices, including regular patching and monitoring.

The detected vulnerability resides within the capture_handle interface of Dahua EIMS. Specifically, the vulnerability allows unauthorized parties to execute commands remotely using the system_setPassWordValidate.action API endpoint. This flaw arises from insufficient input validation and lack of robust security configurations that fail to filter or restrict potential malicious command inputs. Attackers can trigger the vulnerability using specially crafted payloads, often over protocols like DNS to ensure commands are executed successfully. Technical exploitation involves sending crafted requests that trick the system into executing injected commands.

Exploiting the Remote Code Execution vulnerability in Dahua EIMS can have severe consequences. Systems could be hijacked entirely, leading to unauthorized data access and system control. Attackers can disrupt normal operations, manipulate or steal sensitive data, and deploy malware, leading to an extended attack surface and potential network-wide compromise. The organization's reputation and credibility might be significantly damaged, accompanied by financial losses due to unauthorized access and required remediation efforts. Additionally, legal implications may arise from breaches affecting regulatory compliance.

REFERENCES

• https://github.com/wy876/POC/blob/main/%E5%A4%A7%E5%8D%8EEIMS-capture_handle%E6%8E%A5%E5%8F%A3%E8%BF%9C%E7%A8%8B%E5%91%BD%E4%BB%A4%E6%89%A7%E8%A1%8C%E6%BC%8F%E6%B4%9E.md
• https://cn-sec.com/archives/2554372.html