CVE-2011-1532 in ENVY 100 D410
Summary
by MITRE
Unspecified vulnerability in the SNMP component 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 obtain sensitive information or modify data via vectors related to the Embedded Web Server (EWS).
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Analysis
by VulDB Data Team • 01/16/2018
The vulnerability identified as CVE-2011-1532 affects multiple HP printer models including the Photosmart D110 and B110 series, Photosmart Plus B210, Photosmart Premium C310, Fax All-in-One, and C510, as well as the ENVY 100 D410 printers. This issue resides within the SNMP component of these devices and represents a significant security weakness that compromises the integrity and confidentiality of printer operations. The vulnerability specifically impacts the Embedded Web Server functionality, which serves as a primary interface for remote management and configuration of these multifunction devices.
The technical flaw stems from inadequate input validation and access control mechanisms within the SNMP implementation of these printers. Attackers can exploit this weakness to gain unauthorized access to sensitive information stored within the printer's memory or to modify critical data through the Embedded Web Server interface. The vulnerability's unspecified nature suggests that the attack vectors may encompass multiple pathways including but not limited to improper authentication checks, insufficient authorization controls, or malformed data processing within the SNMP protocol stack. This weakness allows remote exploitation without requiring physical access to the device, making it particularly dangerous in networked environments where printers are often exposed to external networks.
The operational impact of this vulnerability extends beyond simple information disclosure to encompass potential data modification capabilities that could disrupt business operations. In enterprise environments, compromised printers could serve as entry points for attackers to escalate privileges and move laterally within the network, particularly when these devices are connected to critical internal systems. The vulnerability affects devices that are commonly deployed in office environments where they may be configured to handle sensitive business data, print confidential documents, or serve as network endpoints for various administrative functions. Organizations relying on these printers for document management and network operations face significant risks including potential data breaches, unauthorized modifications to print jobs, and possible compromise of network security posture.
Security professionals should consider this vulnerability in relation to CWE-200, which addresses information exposure, and CWE-284, which covers improper access control. The attack patterns align with ATT&CK techniques involving initial access through network services and privilege escalation via compromised network devices. Mitigation strategies should include immediate firmware updates from HP, network segmentation to isolate affected printers, implementation of firewall rules to restrict access to printer management ports, and regular security assessments of networked devices. Organizations should also consider disabling unnecessary services, implementing strong authentication mechanisms, and monitoring network traffic for suspicious activities related to printer management protocols. The vulnerability underscores the critical importance of maintaining up-to-date firmware and conducting regular security audits of all network-connected devices to prevent exploitation of known weaknesses in embedded systems.