CVE-2022-31209 in IRAY-A8Z3
Summary
by MITRE • 07/18/2022
An issue was discovered in Infiray IRAY-A8Z3 1.0.957. The firmware contains a potential buffer overflow by calling strcpy() without checking the string length beforehand.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 08/01/2022
The vulnerability identified as CVE-2022-31209 affects the Infiray IRAY-A8Z3 device firmware version 1.0.957, representing a critical security flaw that stems from improper memory management practices within the software implementation. This device operates within the medical imaging domain, where reliability and security are paramount for patient safety and data integrity. The flaw manifests through the use of the unsafe strcpy() function, which lacks proper bounds checking mechanisms to prevent buffer overflows. Such vulnerabilities are particularly concerning in embedded systems where memory constraints and resource limitations often lead to the adoption of potentially dangerous programming practices.
The technical implementation of this vulnerability involves the direct use of strcpy() function without validating input string lengths against the destination buffer capacity. This creates a scenario where an attacker can provide malicious input exceeding the allocated buffer space, resulting in memory corruption that can overwrite adjacent memory locations. According to CWE-121, this represents a classic stack buffer overflow condition that can lead to arbitrary code execution, system crashes, or unauthorized access to sensitive system resources. The vulnerability exists within the firmware level of the device, making it particularly dangerous as it operates at a low level where traditional operating system protections may not be fully effective.
The operational impact of this vulnerability extends beyond simple system instability, potentially compromising the integrity of medical imaging data and creating opportunities for malicious actors to gain unauthorized control over the device. In healthcare environments, such vulnerabilities can lead to serious consequences including patient data breaches, device manipulation that could affect diagnostic accuracy, or even complete device compromise that might disrupt critical medical services. The attack surface is particularly concerning given that the device operates in medical settings where continuous operation and data integrity are essential. Attackers could exploit this vulnerability through various means including network-based attacks or physical access to the device, leveraging the buffer overflow to execute malicious code or escalate privileges within the system.
Mitigation strategies for this vulnerability require immediate firmware updates from the vendor to address the underlying memory management issue through proper bounds checking and safer string handling practices. The recommended approach involves replacing strcpy() with safer alternatives such as strlcpy() or implementing proper input validation mechanisms that check string lengths before copying operations. Organizations should also implement network segmentation and access controls to limit exposure of these devices to untrusted networks. According to ATT&CK framework, this vulnerability aligns with techniques involving privilege escalation and code injection, making it essential for security teams to monitor network traffic for suspicious activities and implement proper device hardening measures. Additionally, regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other embedded systems within the medical infrastructure that may be subject to similar memory management flaws.