CVE-2014-9208 in WebAccess
Summary
by MITRE
Multiple stack-based buffer overflows in unspecified DLL files in Advantech WebAccess before 8.0.1 allow remote attackers to execute arbitrary code via unknown vectors.
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Analysis
by VulDB Data Team • 12/08/2024
The vulnerability identified as CVE-2014-9208 represents a critical security flaw affecting Advantech WebAccess software versions prior to 8.0.1. This issue manifests through multiple stack-based buffer overflows present in unspecified dynamic link library files within the affected software ecosystem. The vulnerability's classification as a stack-based buffer overflow aligns with CWE-121, which specifically addresses stack-based buffer overflow conditions that occur when a program writes data beyond the boundaries of a fixed-length buffer allocated on the stack. These buffer overflows create exploitable conditions that can be leveraged by remote attackers to gain unauthorized code execution privileges.
The attack vector for this vulnerability is particularly concerning as it enables remote code execution without requiring local system access or authentication. Attackers can exploit these buffer overflows through unspecified vectors that likely involve network-based communication protocols used by Advantech WebAccess for industrial automation and monitoring purposes. The stack-based nature of these overflows means that malicious input can overwrite adjacent memory locations including return addresses, function pointers, and other critical stack variables that control program execution flow. This fundamental flaw in memory management creates a pathway for attackers to inject and execute arbitrary code on affected systems, potentially compromising entire industrial control networks.
From an operational impact perspective, the vulnerability poses significant risks to industrial environments that rely on Advantech WebAccess for critical infrastructure monitoring and control. The remote exploit capability means that attackers can target these systems from external networks without requiring physical access or insider knowledge, making the attack surface particularly broad. Successful exploitation could result in complete system compromise, data exfiltration, disruption of industrial processes, and potential safety hazards in environments where automation and control systems are critical. The vulnerability affects industrial automation and monitoring systems that typically require high availability and security, making the potential impact of exploitation particularly severe in operational technology environments.
Organizations affected by CVE-2014-9208 should prioritize immediate remediation through the installation of Advantech WebAccess version 8.0.1 or later, which contains the necessary patches to address these buffer overflow conditions. Network segmentation and access controls should be implemented to limit exposure of affected systems to untrusted networks. Security monitoring should be enhanced to detect potential exploitation attempts, including unusual network traffic patterns and failed authentication attempts that may indicate exploitation activity. The vulnerability's classification under the MITRE ATT&CK framework would likely map to techniques involving remote code execution and privilege escalation, emphasizing the need for comprehensive defensive measures including network firewalls, intrusion detection systems, and regular security assessments to identify and remediate similar vulnerabilities in industrial control systems.