CVE-2016-2277 in Automation Integrated Architecture Builder
Summary
by MITRE
IAB.exe in Rockwell Automation Integrated Architecture Builder (IAB) before 9.6.0.8 and 9.7.x before 9.7.0.2 allows remote attackers to execute arbitrary code via a crafted project file.
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Analysis
by VulDB Data Team • 02/04/2019
The vulnerability identified as CVE-2016-2277 affects Rockwell Automation Integrated Architecture Builder (IAB) software, specifically targeting the IAB.exe component that handles project file processing. This critical security flaw exists in versions prior to 9.6.0.8 and 9.7.x versions before 9.7.0.2, representing a significant risk to industrial control systems and automation environments where Rockwell Automation products are deployed. The vulnerability stems from inadequate input validation mechanisms within the project file parsing functionality, creating an execution path that allows malicious actors to inject and execute arbitrary code remotely.
The technical nature of this vulnerability aligns with CWE-121, which describes heap-based buffer overflow conditions, and represents a classic remote code execution flaw that can be exploited through crafted input files. When IAB.exe processes a specially crafted project file, the software fails to properly validate the file structure and content, allowing attackers to manipulate memory layout and execute malicious code with the privileges of the running application. This type of vulnerability is particularly dangerous in industrial environments where operational technology systems are often not properly isolated from corporate networks, potentially allowing lateral movement and persistent access.
The operational impact of this vulnerability extends beyond simple code execution, as it can lead to complete system compromise within industrial automation environments. Attackers could potentially gain unauthorized access to critical control systems, manipulate industrial processes, or establish persistent backdoors within networked industrial control systems. The vulnerability's remote exploitation capability means that attackers do not need physical access to the system, making it particularly dangerous for environments where security boundaries are not properly enforced. This aligns with attack patterns documented in the MITRE ATT&CK framework under the execution and privilege escalation tactics, where adversaries leverage software vulnerabilities to gain control over target systems.
Organizations utilizing Rockwell Automation IAB software should implement immediate mitigations including applying the vendor-provided patches and updates, restricting network access to affected systems, and implementing proper network segmentation to limit potential attack vectors. Additionally, organizations should consider implementing file validation controls and monitoring for suspicious project file processing activities. The vulnerability demonstrates the importance of secure coding practices in industrial control system software and highlights the need for proper input validation and memory management in critical infrastructure applications. Security teams should also conduct comprehensive vulnerability assessments to identify other potentially affected systems and ensure proper network hygiene practices are maintained across industrial control environments.