CVE-2014-7892 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 OPOSMSR.ocx for Mini MSR magnetic stripe readers, Retail Integrated Dual-Head MSR magnetic stripe readers, Integrated Single Head MSR w/o SRED magnetic stripe readers, Integrated Single Head w/o MSR SRED magnetic stripe readers, RP7 Single Head MSR w/o SRED magnetic stripe readers, POS keyboards, and POS keyboards with MSR, aka ZDI-CAN-2508.
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Analysis
by VulDB Data Team • 05/17/2022
The vulnerability described in CVE-2014-7892 represents a critical remote code execution flaw affecting HP Point of Sale systems that utilize OLE Point of Sale (OPOS) drivers version 1.13.003 and earlier. This security issue specifically targets the OPOSMSR.ocx component which serves as the core driver for various magnetic stripe reader devices including Mini MSR, Retail Integrated Dual-Head MSR, and several integrated MSR configurations. The flaw exists within the Windows-based point of sale infrastructure that is widely deployed in retail environments, making it particularly concerning due to the sensitive nature of transactions processed through these systems.
The technical implementation of this vulnerability stems from improper input validation and memory handling within the OPOSMSR.ocx ActiveX control. Attackers can exploit this weakness by crafting malicious payloads that leverage the driver's functionality to execute arbitrary code on targeted systems. The vulnerability is particularly dangerous because it operates at the system level through the OPOS framework, which provides a standardized interface for point of sale device communication. This allows attackers to bypass traditional application-level security controls and directly manipulate the underlying hardware drivers. The attack surface includes multiple device types within the POS ecosystem, specifically targeting the magnetic stripe reader functionality that processes sensitive card data.
The operational impact of this vulnerability extends far beyond simple code execution, as it provides attackers with persistent access to retail environments where financial transactions occur. Successful exploitation could lead to complete system compromise, enabling attackers to install backdoors, steal cardholder data, or disrupt business operations. The vulnerability affects systems that handle sensitive payment information, making it attractive to cybercriminals targeting the retail sector. The fact that multiple device configurations are affected increases the potential attack surface, as different POS configurations within the same organization could all be vulnerable. This creates a scenario where a single exploit could potentially compromise an entire retail network.
Security practitioners should implement immediate mitigations including the mandatory upgrade to OPOS drivers version 1.13.003 or later, which contains the necessary patches for this vulnerability. Network segmentation should be enforced to limit access to POS systems, and ActiveX controls should be disabled in web browsers where possible. Organizations should also consider implementing application whitelisting policies to prevent unauthorized code execution. The vulnerability aligns with CWE-119 which addresses improper restriction of operations within a limited context, and relates to ATT&CK technique T1059.007 for command and scripting interpreter while also mapping to T1068 for local privilege escalation through driver manipulation. Regular security assessments should be conducted to identify other potentially vulnerable OPOS implementations and ensure that all POS systems maintain current security patches.