CVE-2014-7895 in OLE Point of Sale Driver
Summary
by MITRE
The OLE Point of Sale (OPOS) drivers before 1.13.003 on HP Point of Sale Windows PCs allow remote attackers to execute arbitrary code via vectors involving OPOSCashDrawer.ocx for PUSB Thermal Receipt printers, SerialUSB Thermal Receipt printers, Hybrid POS printers with MICR, Value PUSB Receipt printers, Value Serial/USB Receipt printers, and USB Standard Duty cash drawers, aka ZDI-CAN-2505.
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Analysis
by VulDB Data Team • 05/17/2022
The vulnerability described in CVE-2014-7895 represents a critical remote code execution flaw within HP Point of Sale systems that affects OLE Point of Sale drivers prior to version 1.13.003. This security weakness specifically targets the OPOSCashDrawer.ocx component which serves as a crucial interface for managing cash drawer operations in various POS printer configurations including PUSB Thermal Receipt printers, SerialUSB Thermal Receipt printers, Hybrid POS printers with MICR capabilities, Value PUSB Receipt printers, Value Serial/USB Receipt printers, and USB Standard Duty cash drawers. The flaw exists in the manner these components handle input data and process external communications, creating an exploitable condition that allows remote attackers to execute malicious code on affected systems.
The technical nature of this vulnerability stems from insufficient input validation and improper handling of data within the OLE Point of Sale driver architecture. When the OPOSCashDrawer.ocx component receives data from external sources through the supported printer and cash drawer interfaces, it fails to properly sanitize or validate the incoming information before processing. This lack of proper input validation creates a classic buffer overflow condition or memory corruption scenario that attackers can leverage to inject and execute arbitrary code with the privileges of the running process. The vulnerability is particularly concerning because it operates at the driver level, meaning successful exploitation could provide attackers with elevated system privileges and direct access to critical POS system functions.
From an operational perspective, this vulnerability poses significant risks to retail environments that rely on HP Point of Sale systems for transaction processing and cash management. Attackers who successfully exploit this flaw could gain complete control over affected POS terminals, potentially leading to financial fraud, data theft, and disruption of business operations. The remote nature of the attack means that threat actors do not require physical access to the systems, making the vulnerability particularly dangerous in environments where POS systems are connected to corporate networks or exposed to external network traffic. The impact extends beyond individual terminal compromise to potentially affect entire point of sale networks, especially in retail chains or organizations with multiple interconnected POS devices.
Organizations should implement immediate mitigations including updating to HP Point of Sale drivers version 1.13.003 or later, which contains the necessary patches to address the input validation issues. Network segmentation and access controls should be implemented to limit exposure of POS systems to untrusted networks, while monitoring should be enhanced to detect anomalous behavior in POS systems that might indicate exploitation attempts. The vulnerability aligns with CWE-121, which describes improper restriction of operations within a recognized security boundary, and represents a clear example of how driver-level vulnerabilities can create persistent security risks in commercial systems. This flaw also maps to ATT&CK technique T1059.007 for execution through Windows Command Shell, as exploitation would likely involve command execution capabilities within the compromised system. Organizations should also consider implementing endpoint protection solutions that can detect and prevent exploitation attempts targeting known vulnerable driver components.