CVE-2022-44261 in Monarch Printer M9855
Summary
by MITRE • 02/10/2023
Avery Dennison Monarch Printer M9855 is vulnerable to Cross Site Scripting (XSS).
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Analysis
by VulDB Data Team • 03/10/2023
The CVE-2022-44261 vulnerability affects the Avery Dennison Monarch Printer M9855, a widely used label printing device in industrial and commercial environments. This printer model is commonly deployed in supply chain operations, retail environments, and manufacturing facilities where automated label generation and printing capabilities are essential. The device operates through a web-based interface that allows administrators to configure settings, monitor status, and manage print jobs remotely. The vulnerability resides within the web application interface of this printer, specifically in how it processes user input and renders responses. This presents a significant security risk as the device is often accessible from untrusted networks and may be managed by users with varying levels of security awareness. The printer's web interface typically accepts parameters through HTTP requests and displays information directly to users without proper input sanitization, creating an environment where malicious actors can exploit this weakness.
The technical flaw manifests as a cross site scripting vulnerability that allows attackers to inject malicious scripts into the printer's web interface. This vulnerability occurs when user-supplied data is not properly validated or sanitized before being rendered back to the browser. The attack vector typically involves sending specially crafted HTTP requests containing malicious script code through parameters such as form fields, URL parameters, or HTTP headers. When the printer processes these inputs and displays them without adequate sanitization, the embedded scripts execute within the context of the user's browser session. This vulnerability is classified under CWE-79 as Improper Neutralization of Input During Web Page Generation, which represents one of the most common and dangerous web application security flaws. The XSS vulnerability enables attackers to perform actions such as stealing session cookies, redirecting users to malicious sites, defacing the printer interface, or executing unauthorized administrative functions.
The operational impact of this vulnerability extends beyond simple data theft or interface manipulation. In industrial environments where the Monarch Printer M9855 is deployed, the consequences can be severe as attackers could potentially disrupt printing operations, gain unauthorized access to sensitive label data, or use the compromised device as a pivot point for further attacks within the network. The printer's web interface may contain administrative functions that allow modification of print settings, access to device configuration, or even the ability to upload new firmware. This makes the device a potential entry point for attackers seeking to compromise larger industrial control systems or supply chain networks. The vulnerability can be exploited by remote attackers without requiring physical access to the device, making it particularly dangerous in environments where network segmentation is not properly implemented. Additionally, the printer may store sensitive information such as product codes, batch numbers, or other operational data that could be extracted through this vulnerability, creating potential intellectual property or regulatory compliance issues.
Mitigation strategies for CVE-2022-44261 should focus on both immediate remediation and long-term security improvements. Organizations should first apply any vendor-provided patches or firmware updates that address this specific vulnerability. When patches are not immediately available, network administrators should implement restrictive access controls that limit who can reach the printer's web interface and ensure that only authorized personnel have access to administrative functions. The implementation of web application firewalls or security proxies that can detect and block XSS attacks represents another effective mitigation technique. Network segmentation should be enforced to ensure that these devices are not directly accessible from untrusted networks, and regular security assessments should be conducted to identify other potential vulnerabilities in industrial IoT devices. Organizations should also consider implementing monitoring solutions that can detect unusual access patterns or attempts to exploit known vulnerabilities in their industrial equipment. This vulnerability aligns with ATT&CK techniques such as T1190 for exploit public-facing application and T1071.004 for application layer protocol, highlighting the need for comprehensive network security measures that address both traditional IT and industrial control system threats. The incident underscores the critical importance of securing all network-connected devices, including industrial printers, as these often represent overlooked attack surfaces in enterprise security frameworks.