CVE-2011-1533 in ENVY 100 D410
Summary
by MITRE
Cross-site scripting (XSS) vulnerability on the HP Photosmart D110 and B110; Photosmart Plus B210; Photosmart Premium C310, Fax All-in-One, and C510; and ENVY 100 D410 printers allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 01/25/2018
The CVE-2011-1533 vulnerability represents a critical cross-site scripting flaw affecting multiple HP Photosmart and ENVY printer models including the D110, B110, B210, C310, C510, and D410 series. This vulnerability resides within the web interface of these multifunction devices, creating a significant security risk for organizations and individual users who rely on these printers for document management and communication. The flaw stems from inadequate input validation and output encoding mechanisms within the printer's embedded web server, which processes user-supplied data without proper sanitization before rendering it in web responses. The vulnerability affects devices that operate with web-based management interfaces, making them susceptible to exploitation through malicious web scripts that could be injected via various attack vectors including malformed HTTP requests or crafted print jobs.
The technical implementation of this vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws in web applications. Attackers can exploit this weakness by crafting malicious input that gets processed by the printer's web interface and subsequently executed in the context of other users' browsers who access the printer's management pages. The attack vectors remain unspecified in the original CVE description, but typically involve manipulation of form fields, URL parameters, or HTTP headers that the printer's web server fails to properly validate. This allows attackers to inject malicious JavaScript code or HTML content that executes in the victim's browser session, potentially leading to session hijacking, credential theft, or redirection to malicious sites. The vulnerability is particularly concerning because it affects network-accessible printer interfaces that are often exposed to untrusted network environments, including corporate networks where these devices may be accessible from various user segments.
The operational impact of CVE-2011-1533 extends beyond simple script injection, as it creates potential pathways for more sophisticated attacks within network environments. When compromised, these printers can serve as entry points for lateral movement within corporate networks, particularly if the devices are configured to allow remote access or if they are placed in DMZ zones. The vulnerability can be exploited to establish persistent access points through the printer's web interface, potentially allowing attackers to monitor network traffic, modify print jobs, or redirect users to phishing sites. Organizations using these devices may experience unauthorized access to print queues, data leakage through compromised print jobs, or even use of the printers as staging points for further attacks. The attack surface is particularly broad given that these printers are commonly deployed in office environments where they are accessible to multiple users with varying security awareness levels.
Mitigation strategies for CVE-2011-1533 should focus on both immediate remediation and long-term security posture improvements. Organizations must first ensure that affected printer models are updated with the latest firmware releases from HP, which typically include input validation patches and enhanced output encoding mechanisms. Network segmentation should be implemented to isolate these devices from critical network segments, and access controls should be enforced to restrict web interface access to authorized personnel only. The implementation of web application firewalls and network monitoring tools can help detect and prevent exploitation attempts targeting these vulnerabilities. Additionally, regular security assessments should be conducted to identify other potentially vulnerable network-connected devices, and user education programs should be established to prevent social engineering attacks that might leverage this vulnerability. The remediation process should also include disabling unnecessary web services on the printers and ensuring that only essential functionality remains accessible through the network interface. Organizations should consider implementing network access control lists and firewall rules that limit access to printer management interfaces to trusted IP ranges only. This vulnerability demonstrates the critical importance of securing all network-connected devices, as even seemingly innocuous peripherals like printers can become significant attack vectors in modern network environments. The flaw also highlights the necessity of maintaining up-to-date firmware and security patches across all enterprise devices, as the affected HP models were released prior to comprehensive security hardening practices that are now standard in modern device design.