CVE-2011-1531 in ENVY 100 D410
Summary
by MITRE
The webscan component in the Embedded Web Server (EWS) 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 read documents on the scan surface via unspecified vectors.
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Analysis
by VulDB Data Team • 01/17/2018
The vulnerability identified as CVE-2011-1531 affects the embedded web server component within several HP printer models including the Photosmart D110 and B110 series, Photosmart Plus B210, Photosmart Premium C310, Fax All-in-One, C510, and ENVY 100 D410 printers. This issue resides in the webscan functionality of the Embedded Web Server which provides web-based access to printer features and scanning capabilities. The vulnerability represents a significant security flaw that allows remote attackers to access sensitive documents stored on the scanner surface without proper authentication or authorization.
The technical flaw manifests through unspecified vectors that enable unauthorized remote access to scanned documents stored on the printer's internal storage. This vulnerability falls under the category of insecure direct object reference or improper access control, where the web server component fails to properly validate access requests to the scanning functionality. The embedded web server component does not adequately implement authentication mechanisms or access controls, allowing attackers to bypass normal security boundaries and directly access stored documents. This type of vulnerability is classified as CWE-284, which represents improper access control, and aligns with ATT&CK technique T1213.002 for Data from Information Repositories.
The operational impact of this vulnerability is severe as it allows attackers to remotely access sensitive documents that may contain confidential information, personal data, or proprietary materials. The vulnerability affects multiple printer models from different product lines, indicating a systemic design flaw that could impact numerous devices across various organizations. Attackers can potentially access documents that were scanned and stored on the printer's internal memory, creating a significant risk for businesses, healthcare organizations, or any entity that relies on printer-based scanning for document management. The remote nature of the attack means that no physical access to the device is required, making the vulnerability particularly dangerous in networked environments.
Organizations should immediately implement mitigations including network segmentation to isolate affected printers from critical systems, disabling unnecessary web services when not required, and applying any available firmware updates from HP. The vulnerability demonstrates the importance of secure configuration practices and proper access control implementation in embedded systems. Network administrators should consider implementing firewall rules to restrict access to printer web interfaces and ensure that only authorized users can access scanning functionality. Additionally, organizations should conduct regular security assessments of their embedded devices and maintain up-to-date inventory of all network-connected printing equipment to identify and remediate similar vulnerabilities across their infrastructure. The vulnerability serves as a reminder of the critical need for secure development practices in embedded systems and proper authentication mechanisms in network-accessible devices.