CVE-2018-7832 in GP-Pro EX
Summary
by MITRE
An Improper Input Validation vulnerability exists in Pro-Face GP-Pro EX v4.08 and previous versions which could cause the execution arbitrary executable when GP-Pro EX is launched.
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Analysis
by VulDB Data Team • 04/24/2020
The vulnerability identified as CVE-2018-7832 represents a critical improper input validation flaw within Pro-Face GP-Pro EX software version 4.08 and earlier. This issue stems from inadequate validation of user-supplied input during the application startup process, creating a dangerous condition where maliciously crafted input can trigger unauthorized code execution. The vulnerability specifically affects the software's handling of project files or configuration data that are loaded when the application launches, making it particularly concerning for industrial control environments where such software is commonly deployed.
This flaw falls under the CWE-20 category of Improper Input Validation, which is a fundamental security weakness that occurs when software fails to properly validate or sanitize input data before processing it. The vulnerability exists at the input processing layer where the application does not adequately verify the integrity or legitimacy of data structures that are expected to be loaded during startup operations. When a user opens a specially crafted project file or configuration that contains malicious code or malformed data structures, the application's insufficient validation mechanisms allow this input to be interpreted as executable code rather than simple data.
The operational impact of this vulnerability extends significantly beyond traditional software exploitation scenarios, particularly within industrial control systems and manufacturing environments where Pro-Face GP-Pro EX is commonly deployed. The arbitrary code execution capability provides attackers with the ability to gain full control over the affected system, potentially leading to unauthorized access to critical industrial processes, data manipulation, or system compromise. This represents a severe threat in environments where operational technology (OT) systems are connected to corporate networks, as successful exploitation could enable lateral movement and broader network infiltration. The vulnerability's trigger during application launch makes it particularly dangerous as it can be exploited simply by opening a malicious file, without requiring any additional interaction from the user.
Security professionals should consider this vulnerability in the context of the MITRE ATT&CK framework, specifically mapping it to techniques such as T1059.007 for command and scripting interpreter and T1203 for Exploitation for Client Execution. The vulnerability's exploitation requires minimal user interaction and can be automated through social engineering or by embedding malicious files in legitimate project distributions. Organizations should implement comprehensive input validation measures including file format validation, data sanitization, and strict access controls around project file handling. Mitigation strategies should include immediate patching of affected systems, network segmentation to limit exposure, and enhanced monitoring for suspicious file access patterns. Additionally, organizations should consider implementing application whitelisting policies and regular security assessments to identify similar validation weaknesses in other industrial control software deployments.