CVE-2022-26022 in CX-Position
Summary
by MITRE • 04/02/2022
Omron CX-Position (versions 2.5.3 and prior) is vulnerable to an out-of-bounds write 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-2022-26022 affects Omron CX-Position software version 2.5.3 and earlier, representing a critical security flaw that stems from improper input validation during project file processing. This out-of-bounds write vulnerability occurs when the application handles specific project files that contain malformed data structures, creating an opportunity for attackers to manipulate memory allocation and potentially execute arbitrary code on affected systems. The flaw resides in the software's file parsing logic where insufficient boundary checks are performed on user-supplied data, allowing for memory corruption that can be exploited through carefully crafted project files.
The technical implementation of this vulnerability aligns with CWE-787, which describes out-of-bounds writes in software applications, and demonstrates characteristics consistent with memory corruption vulnerabilities that are frequently targeted in exploit development. When a malicious project file is loaded, the software's processing routine fails to validate array indices or buffer boundaries, leading to memory overwrite conditions that can be leveraged by attackers to gain control over the application's execution flow. The vulnerability's exploitation potential is heightened by the fact that CX-Position is commonly used in industrial automation environments where users may encounter project files from external sources or through compromised network channels.
From an operational perspective, this vulnerability presents significant risk to industrial control systems and manufacturing environments that rely on Omron CX-Position for programming and configuration tasks. The ability to execute arbitrary code remotely through project file manipulation could enable attackers to compromise entire industrial control networks, potentially leading to production disruptions, safety system manipulation, or unauthorized access to critical infrastructure. The attack vector requires minimal privileges since the vulnerability exists within the application's legitimate file processing functionality, making it particularly dangerous in environments where project files may be shared between multiple users or downloaded from untrusted sources.
Organizations using affected versions of CX-Position should immediately implement mitigations including updating to the latest available version that addresses this vulnerability, implementing strict file validation policies for project files, and restricting access to the software to trusted users only. Network segmentation and access controls should be enforced to limit exposure of systems running this software. Additionally, security awareness training for industrial automation personnel is recommended to prevent accidental exploitation through social engineering or malicious file delivery. The vulnerability demonstrates the importance of input validation in industrial control software and aligns with ATT&CK technique T1059.007 for command and scripting interpreter, as successful exploitation would likely involve executing malicious code within the target environment. Organizations should also consider implementing application whitelisting policies to prevent execution of unauthorized code and establish secure development practices for industrial automation software to prevent similar vulnerabilities in future releases.