CVE-2014-7890 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 OPOSToneIndicator.ocx for POS keyboards and POS keyboards with MSR, aka ZDI-CAN-2510.
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Analysis
by VulDB Data Team • 05/17/2022
The vulnerability identified as CVE-2014-7890 represents a critical remote code execution flaw affecting OLE Point of Sale drivers on HP Point of Sale Windows systems. This vulnerability specifically impacts versions prior to 1.13.003 and resides within the OPOSToneIndicator.ocx component, which is responsible for handling POS keyboard and magnetic stripe reader functionality. The flaw enables remote attackers to execute arbitrary code on affected systems, potentially leading to complete system compromise and unauthorized access to sensitive transaction data. The vulnerability was classified under the ZDI-CAN-2510 identifier, indicating its recognition within the Zero Day Initiative's vulnerability database and highlighting its significance in the cybersecurity landscape.
The technical nature of this vulnerability stems from improper input validation and memory handling within the OPOSToneIndicator.ocx ActiveX control. When the system processes certain malformed inputs through POS keyboard and MSR interfaces, the control fails to properly sanitize or validate the incoming data, creating a buffer overflow condition. This allows attackers to craft malicious payloads that can be executed within the context of the running OPOS driver process. The flaw operates at the kernel level within the Windows operating system's device driver architecture, making it particularly dangerous as it can bypass standard user permission checks and execute with elevated privileges. According to CWE classification, this vulnerability maps to CWE-121, which describes heap-based buffer overflow conditions, and CWE-787, which covers out-of-bounds write operations that can lead to arbitrary code execution.
The operational impact of this vulnerability extends beyond simple remote code execution, as it directly threatens the integrity and security of point of sale systems that handle sensitive financial transactions. Attackers exploiting this vulnerability could gain complete control over POS terminals, potentially leading to data theft, transaction manipulation, and unauthorized access to customer payment information. The attack surface is particularly concerning given that POS systems often operate in unsecured environments and may lack proper network segmentation. From an ATT&CK framework perspective, this vulnerability maps to T1059.007 for Windows Command and Scripting Interpreter and T1068 for Exploitation for Privilege Escalation, as the initial compromise could lead to further exploitation within the network. The vulnerability affects organizations across retail, hospitality, and financial sectors where HP POS systems are deployed, potentially exposing millions of transaction records to unauthorized access.
Mitigation strategies for CVE-2014-7890 should prioritize immediate patch deployment to update OPOS drivers to version 1.13.003 or later. Organizations must also implement network segmentation to isolate POS systems from general corporate networks and apply strict firewall rules to limit communication to only necessary services. Additionally, disabling unnecessary ActiveX controls and implementing application whitelisting policies can significantly reduce the attack surface. Security monitoring should focus on detecting unusual network traffic patterns and unauthorized code execution attempts on POS terminals. Regular vulnerability assessments and penetration testing of POS environments should be conducted to identify similar vulnerabilities. The remediation process should include comprehensive testing of updated drivers in controlled environments before deployment to production systems, ensuring that critical business operations remain unaffected while maintaining security posture. Organizations should also consider implementing endpoint detection and response solutions specifically designed for POS environments to provide real-time monitoring and threat detection capabilities.