CVE-2016-2309 in RUH2
Summary
by MITRE
iRZ RUH2 before 2b does not validate firmware patches, which allows remote authenticated users to modify data or cause a denial of service via unspecified vectors.
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Analysis
by VulDB Data Team • 12/22/2018
The vulnerability identified as CVE-2016-2309 affects the iRZ RUH2 device firmware version 2b and earlier, representing a critical security flaw in the firmware update mechanism. This issue stems from the absence of proper firmware patch validation procedures within the device's update process, creating a significant attack surface that adversaries can exploit. The vulnerability specifically targets the firmware update functionality, which is a fundamental component of device security and integrity management.
The technical flaw manifests in the device's failure to validate firmware patches before installation, allowing authenticated remote attackers to manipulate the update process. This lack of validation creates opportunities for attackers to inject malicious code or modify existing firmware components, potentially leading to complete system compromise. The vulnerability operates at the firmware level, making it particularly dangerous as it can bypass traditional operating system security controls and run with elevated privileges. The unspecified vectors mentioned in the description suggest that multiple attack pathways exist, potentially including manipulation of update files, injection of malicious code during transfer, or exploitation of the update protocol itself.
The operational impact of this vulnerability extends beyond simple data modification or denial of service scenarios. Attackers who successfully exploit this flaw can potentially gain persistent access to the device, modify critical system components, or establish backdoors for future exploitation. The remote authentication requirement means that attackers do not need physical access to the device, but rather must first obtain valid credentials, which could be achieved through various means including credential theft, social engineering, or exploitation of other vulnerabilities. This vulnerability directly impacts the device's integrity and availability, potentially affecting business operations and security posture.
Mitigation strategies for this vulnerability should focus on immediate firmware updates to version 2b or later, which presumably contain the necessary validation mechanisms. Organizations should implement strict firmware update policies that require verification of update sources and integrity checks before installation. Network segmentation and access controls should be strengthened to limit unauthorized access to device management interfaces. The vulnerability aligns with CWE-20, which addresses improper input validation, and could be categorized under ATT&CK technique T1059 for command and scripting interpreter usage in exploitation scenarios. Additionally, this issue demonstrates the importance of secure boot processes and firmware integrity verification, which are critical components of the NIST Cybersecurity Framework and ISO/IEC 27001 security standards. Regular security assessments and vulnerability scanning should be implemented to identify similar issues in other firmware components and ensure comprehensive protection against firmware-based attacks.