CVE-2014-8386 in AdamView
Summary
by MITRE
Multiple stack-based buffer overflows in Advantech AdamView 4.3 and earlier allow remote attackers to execute arbitrary code via a crafted (1) display properties or (2) conditional bitmap parameter in a GNI file.
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Analysis
by VulDB Data Team • 12/09/2024
The vulnerability identified as CVE-2014-8386 represents a critical stack-based buffer overflow flaw in Advantech AdamView 4.3 and earlier versions. This vulnerability exists within the file processing functionality of the software, specifically when handling GNI files that contain display properties or conditional bitmap parameters. The issue stems from inadequate input validation and bounds checking mechanisms that fail to properly sanitize user-supplied data before processing. Attackers can exploit this weakness by crafting malicious GNI files with oversized or malformed parameters that exceed the allocated stack buffer space, leading to memory corruption and potential code execution. The vulnerability's remote exploitability means that attackers do not need physical access to the target system, as they can deliver malicious payloads through network-based attacks. This type of vulnerability falls under CWE-121 stack-based buffer overflow, which is classified as a fundamental memory safety issue that has been a persistent concern in software development for decades. The attack surface is particularly concerning given that AdamView is designed for industrial automation and monitoring applications where remote access capabilities are often present.
The technical exploitation of this vulnerability occurs when the software processes a malicious GNI file containing oversized display properties or conditional bitmap parameters. During normal operation, the application allocates a fixed-size buffer on the stack to store these parameters, but when attackers provide data exceeding the buffer capacity, the excess data overflows into adjacent memory locations. This overflow can overwrite return addresses, function pointers, or other critical control data within the stack frame, allowing attackers to redirect program execution flow. The attack vector is particularly dangerous because it can be delivered through various means including email attachments, web downloads, or network file transfers, making it suitable for widespread exploitation. The vulnerability demonstrates a classic example of improper input validation where the software fails to implement proper length checking or data sanitization before copying user-provided data into fixed-size buffers. From an operational perspective, this vulnerability directly impacts the integrity and availability of industrial control systems that rely on Advantech AdamView for monitoring and management purposes.
The operational impact of CVE-2014-8386 extends beyond simple code execution to potentially compromise entire industrial control environments where such software is deployed. In industrial settings, the exploitation of this vulnerability could lead to unauthorized access to critical infrastructure monitoring systems, potentially allowing attackers to manipulate display configurations, alter conditional logic, or even gain complete system control. The remote nature of the attack means that adversaries can target these systems from anywhere on the network, making traditional perimeter-based security measures insufficient for protection. Organizations using affected versions of AdamView face significant risk of operational disruption, data compromise, or even physical safety hazards if the exploited systems control critical processes. The vulnerability's classification aligns with ATT&CK technique T1203, which covers exploitation of remote services, and T1059, which involves command and script injection through compromised applications. The potential for privilege escalation exists if the vulnerable application runs with elevated permissions, potentially allowing attackers to gain administrative access to the underlying systems. Security professionals should note that this vulnerability has been present for years without proper patching, highlighting the importance of maintaining up-to-date security measures in industrial environments where legacy software often persists.
Organizations affected by this vulnerability should immediately implement mitigations including updating to patched versions of Advantech AdamView software, implementing network segmentation to limit access to affected systems, and deploying intrusion detection systems to monitor for suspicious GNI file transfers. The recommended approach includes disabling unnecessary network services, implementing strict file access controls, and conducting thorough vulnerability assessments of industrial control systems. Security monitoring should focus on detecting unusual file processing activities and unauthorized access attempts to industrial monitoring applications. Additionally, organizations should consider implementing application whitelisting policies to prevent execution of untrusted GNI files and establish incident response procedures specifically tailored for industrial control system vulnerabilities. The vulnerability serves as a reminder of the critical importance of addressing security issues in industrial environments where the consequences of exploitation can extend far beyond traditional information technology concerns into operational technology domains. Regular security assessments and patch management programs are essential for maintaining the security posture of industrial control systems.