CVE-2018-17316 in MP C6003
Summary
by MITRE
On the RICOH MP C6003 printer, HTML Injection and Stored XSS vulnerabilities have been discovered in the area of adding addresses via the entryNameIn parameter to /web/entry/en/address/adrsSetUserWizard.cgi.
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Analysis
by VulDB Data Team • 05/19/2023
The CVE-2018-17316 vulnerability affects the RICOH MP C6003 multifunction printer, representing a critical security flaw in the device's web interface that enables unauthorized code execution through cross-site scripting attacks. This vulnerability specifically targets the address management functionality of the printer's web application, where the entryNameIn parameter in the /web/entry/en/address/adrsSetUserWizard.cgi endpoint fails to properly validate or sanitize user input. The flaw allows attackers to inject malicious HTML content that gets stored within the printer's system and subsequently executed when other users access the affected interface. This type of vulnerability falls under the CWE-79 category of Cross-Site Scripting, specifically classified as stored XSS due to the persistence of the malicious code within the application's database or storage mechanisms. The vulnerability exists because the printer's web application does not implement proper input validation or output encoding for user-supplied parameters, creating an attack surface that can be exploited by malicious actors to compromise the device's security posture.
The operational impact of this vulnerability extends beyond simple data theft or display manipulation, as it provides attackers with the capability to execute arbitrary code within the context of the printer's web application. When an attacker successfully injects malicious HTML code through the entryNameIn parameter, the stored XSS payload can be triggered whenever legitimate users navigate to the address management section of the printer's interface. This creates a persistent threat vector that can be used to steal session cookies, redirect users to malicious websites, or even execute commands on the printer itself. The attack can be particularly dangerous in enterprise environments where network printers are frequently used for document management and collaboration, as the compromised device can serve as a foothold for lateral movement within the network. According to ATT&CK framework, this vulnerability maps to T1059.007 (Command and Scripting Interpreter: JavaScript) and T1566 (Phishing) as attackers can leverage the XSS to redirect users to phishing sites or inject malicious scripts that can harvest credentials and sensitive information. The vulnerability also represents a significant risk to printer-based network security, as it can be exploited without requiring authentication to the device itself, making it particularly dangerous in shared or public environments.
Mitigation strategies for CVE-2018-17316 should focus on both immediate remediation and long-term security improvements. The primary immediate fix involves implementing proper input validation and output encoding for all user-supplied parameters in the affected web application endpoint. This includes sanitizing the entryNameIn parameter to prevent HTML and JavaScript code injection, implementing Content Security Policy headers to restrict script execution, and ensuring that all user input is properly escaped before being stored or displayed. Organizations should also consider implementing network segmentation to limit access to printer web interfaces, restricting administrative access to authorized personnel only, and deploying network monitoring tools to detect anomalous traffic patterns that might indicate exploitation attempts. Additionally, regular firmware updates and security patches should be applied to ensure that known vulnerabilities are addressed promptly. The vulnerability demonstrates the importance of secure coding practices in embedded systems and web applications, particularly in networked devices that may be exposed to untrusted users. Organizations should also implement comprehensive security awareness training for IT staff to recognize and respond to potential exploitation attempts, as well as establish incident response procedures specifically tailored to networked device vulnerabilities. Regular security assessments of networked printers and other embedded devices should be conducted to identify similar vulnerabilities that may exist in other components of the organization's infrastructure.