CVE-2012-3272 in LaserJet
Summary
by MITRE
Cross-site scripting (XSS) vulnerability on the HP Color LaserJet CM3530 with firmware before 53.190.9, Color LaserJet CM60xx with firmware before 52.210.9, Color LaserJet CP3525 with firmware before 06.140.3 18, Color LaserJet CP4xxx with firmware before 07.120.6, Color LaserJet CP6015 with firmware before 04.160.3, LaserJet P3015 with firmware before 07.140.3, and LaserJet P4xxx with firmware before 04.170.3 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 04/20/2021
The CVE-2012-3272 vulnerability represents a critical cross-site scripting flaw affecting multiple HP color and black-and-white laserjet printer models, including the CM3530, CM60xx, CP3525, CP4xxx, CP6015, P3015, and P4xxx series. This vulnerability stems from insufficient input validation and output encoding mechanisms within the web interface of these devices, creating a pathway for remote attackers to execute malicious scripts in the context of other users who interact with the affected printers. The vulnerability manifests in firmware versions prior to the specified patches, indicating a widespread issue across HP's printer product line that was likely present in production devices for an extended period.
The technical exploitation of this vulnerability occurs through unspecified vectors within the printer's web-based management interface, where user-supplied input is not properly sanitized before being rendered back to web browsers. This allows attackers to inject malicious HTML content or JavaScript code that executes in the context of authenticated users who access the printer's web interface. The flaw aligns with CWE-79, which specifically addresses cross-site scripting vulnerabilities, where the system fails to properly validate or encode user-controllable data before incorporating it into dynamically generated web content. Attackers can leverage this weakness to perform session hijacking, deface web interfaces, steal user credentials, or redirect victims to malicious websites.
The operational impact of this vulnerability extends beyond simple web interface compromise, as it potentially enables attackers to gain unauthorized access to printer configurations and sensitive operational data. Network administrators who access these printers through web interfaces become vulnerable to attacks that could lead to complete compromise of the printing infrastructure, especially in enterprise environments where multiple users interact with shared printer resources. The vulnerability's remote nature means that attackers do not require physical access to the devices, making it particularly concerning for organizations with distributed printer deployments or those that expose printer web interfaces to external networks. This aligns with ATT&CK technique T1071.004, which covers application layer protocol: web protocols, where attackers exploit web application vulnerabilities to gain unauthorized access.
Mitigation strategies for CVE-2012-3272 should prioritize immediate firmware updates to the latest versions that contain patches addressing the XSS vulnerability. Organizations must conduct comprehensive inventory assessments to identify all affected printer models and ensure that firmware updates are applied systematically across the entire fleet. Network segmentation practices should be implemented to limit access to printer web interfaces to authorized personnel only, while disabling unnecessary web services on printer devices. Additionally, implementing web application firewalls and monitoring for suspicious requests to printer interfaces can provide additional layers of defense. The vulnerability demonstrates the importance of secure coding practices in embedded systems and highlights the need for regular security assessments of networked devices that may not receive the same security attention as traditional computing platforms.