CVE-2014-9699 in Replicator 5G Printer
Summary
by MITRE
The MakerBot Replicator 5G printer runs an Apache HTTP Server with directory indexing enabled. Apache logs, system logs, design files (i.e., a history of print files), and more are exposed to unauthenticated attackers through this HTTP server.
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Analysis
by VulDB Data Team • 06/27/2020
The CVE-2014-9699 vulnerability represents a critical misconfiguration issue within the MakerBot Replicator 5G 3D printer's web server implementation. This device operates an Apache HTTP Server instance that has been improperly configured to allow directory indexing, creating an information disclosure vulnerability that exposes sensitive system data to any unauthenticated network visitor. The affected device operates within the Internet of Things (IoT) ecosystem, where security considerations are paramount given the potential for unauthorized access to proprietary design data and system information.
The technical flaw stems from the Apache HTTP Server configuration running on the printer's embedded system, where directory listing functionality remains enabled without proper authentication mechanisms. This misconfiguration allows attackers to traverse the web server's file structure and access various sensitive directories containing system logs, Apache logs, design files, and print history data. The vulnerability exists at the application layer and represents a classic case of insufficient access control, which aligns with CWE-200 - Information Exposure and CWE-284 - Improper Access Control. The exposed data includes not only system operational logs but also design files that may contain intellectual property, print job histories, and potentially sensitive manufacturing data.
The operational impact of this vulnerability extends beyond simple information disclosure, as it creates potential attack vectors for more sophisticated exploitation. An attacker can gain insights into the printer's operational patterns, file naming conventions, and system architecture through the exposed design files and logs. This information can be leveraged for further attacks targeting the device's firmware or network communications. The vulnerability affects the confidentiality aspect of the CIA triad and provides an attacker with a reconnaissance platform for identifying additional potential weaknesses in the device's security posture. This aligns with ATT&CK technique T1083 - File and Directory Discovery, where adversaries enumerate system resources to plan further exploitation activities.
The security implications of this vulnerability are particularly concerning in industrial and commercial settings where 3D printing equipment may be used to create proprietary designs or sensitive components. The exposure of print job histories and design files could result in intellectual property theft, competitive disadvantage, or even security risks if the designs contain sensitive structural or functional information. Organizations deploying these devices should consider the broader implications of unsecured IoT devices within their networks, as this vulnerability could serve as an initial access point for more comprehensive attacks. Mitigation strategies should include disabling directory indexing on the Apache server, implementing proper authentication mechanisms, and ensuring that all IoT devices are properly secured and monitored. The vulnerability highlights the critical importance of secure configuration management for embedded systems and demonstrates how seemingly minor misconfigurations can create significant security risks in connected devices.