CVE-2022-26417 in CX-Position
Summary
by MITRE • 04/02/2022
Omron CX-Position (versions 2.5.3 and prior) is vulnerable to a use after free memory condition while processing a specific project file, which may allow an attacker to execute arbitrary code.
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Analysis
by VulDB Data Team • 04/05/2022
The vulnerability identified as CVE-2022-26417 affects Omron CX-Position software version 2.5.3 and earlier, representing a critical use after free memory condition that can be exploited to achieve arbitrary code execution. This flaw occurs during the processing of specific project files, making it particularly dangerous in industrial automation environments where such software is commonly deployed. The vulnerability demonstrates characteristics consistent with CWE-416, which specifically addresses use after free conditions in memory management, where a program continues to reference memory that has already been freed, potentially allowing attackers to manipulate program execution flow.
The technical implementation of this vulnerability stems from improper memory management within the CX-Position application when handling project files containing malformed or specially crafted data structures. When the application processes these files, it allocates memory for certain objects, performs operations on them, and subsequently frees the memory. However, the application fails to properly invalidate pointers or check for proper memory state before attempting to access the freed memory locations, creating a condition where an attacker can control the contents of that memory before it is accessed. This type of vulnerability is particularly insidious because it can be triggered through file-based attacks, making it accessible to remote adversaries who can craft malicious project files to exploit the flaw.
The operational impact of this vulnerability extends beyond simple code execution, as it can potentially allow attackers to gain full control over the affected system running CX-Position software. In industrial control environments where this software is deployed for automation and control systems, such exploitation could lead to significant operational disruptions, data manipulation, or even physical system compromise. The vulnerability affects industrial automation and control systems, making it relevant to the industrial control systems security domain and potentially impacting the security posture of critical infrastructure environments. The attack surface is particularly concerning given that many industrial environments lack the sophisticated security monitoring and patch management capabilities found in traditional enterprise environments.
Mitigation strategies for CVE-2022-26417 should focus on immediate software updates from Omron to address the memory management flaw, while also implementing network segmentation to limit access to systems running CX-Position software. Organizations should also consider implementing strict file validation procedures for project files, particularly those received from external sources or untrusted parties. The vulnerability aligns with ATT&CK technique T1059.007 for command and script interpreter, as successful exploitation could enable attackers to execute arbitrary commands on the target system. Additionally, implementing application whitelisting and monitoring for unusual memory access patterns can help detect potential exploitation attempts. Security teams should also consider the broader context of industrial control system security, as this vulnerability demonstrates the importance of secure coding practices in critical infrastructure software and the need for regular security assessments of industrial automation tools.