CVE-2020-8105 in iota All-In-One Security Kit
Summary
by MITRE • 12/20/2021
OS Command Injection vulnerability in the wirelessConnect handler of Abode iota All-In-One Security Kit allows an attacker to inject commands and gain root access. This issue affects: Abode iota All-In-One Security Kit versions prior to 1.0.2.23_6.9V_dev_t2_homekit_RF_2.0.19_s2_kvsABODE oz.
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Analysis
by VulDB Data Team • 12/24/2021
The CVE-2020-8105 vulnerability represents a critical operating system command injection flaw within the wirelessConnect handler of the Abode iota All-In-One Security Kit, a widely deployed home security device that integrates multiple security components into a single unit. This vulnerability resides in the device's web interface handling mechanism, specifically within the wireless network configuration component that manages connectivity to wireless networks. The flaw allows remote attackers to execute arbitrary commands on the device by manipulating input parameters passed to the wirelessConnect handler, effectively bypassing the device's security controls and gaining unauthorized access to the underlying operating system.
The technical implementation of this vulnerability stems from inadequate input validation and sanitization within the wirelessConnect handler function, which processes user-supplied parameters without proper escaping or filtering of special characters that could be interpreted as shell commands. This represents a classic command injection vulnerability classified under CWE-77, where user-controllable data is directly incorporated into system commands without proper sanitization. The vulnerability manifests when an attacker sends specially crafted requests to the device's web interface, specifically targeting the wireless network configuration endpoint, allowing malicious payloads to be executed with the privileges of the web server process, which typically runs with elevated permissions on the device.
The operational impact of this vulnerability extends beyond simple unauthorized access, as the attacker can achieve complete system compromise and gain root privileges on the device, enabling them to modify system configurations, install malicious software, extract sensitive data, or use the device as a pivot point for attacking other networked devices. This represents a significant threat to home network security since the Abode iota device serves as a central hub for security monitoring and control, potentially allowing attackers to disable security features, manipulate surveillance footage, or gain access to other connected IoT devices within the same network ecosystem. The vulnerability affects all versions prior to 1.0.2.23_6.9V_dev_t2_homekit_RF_2.0.19_s2_kvsABODE oz, indicating that a substantial number of deployed devices remain at risk.
Mitigation strategies for this vulnerability should include immediate firmware updates to version 1.0.2.23_6.9V_dev_t2_homekit_RF_2.0.19_s2_kvsABODE oz or later, which incorporates proper input validation and sanitization mechanisms to prevent command injection attacks. Network administrators and device owners should also implement network segmentation to isolate security devices from critical network segments, employ intrusion detection systems to monitor for suspicious network traffic patterns, and consider disabling unnecessary remote access features. From an ATT&CK framework perspective, this vulnerability maps to techniques involving command and control communication, privilege escalation, and persistence mechanisms, highlighting the need for comprehensive security monitoring and incident response procedures. Organizations should also conduct regular vulnerability assessments and penetration testing to identify similar injection flaws in other networked devices and ensure proper input validation across all system components.