Tuesday, July 23, 2024

FreeRTOS IoT OS Critical Vulnerabilities Affected Million of Smart Home & Critical Infrastructure Based IoT Devices

A critical Vulnerabilities that affected FreeRTOS TCP/IP Stack puts millions of IoT devices at risk and let attackers allows to compromise the Smart home devices and Critical Infrastructure Systems.

FreeRTOS is a  real-time operating system kernel for embedded devices that support various architectures such as  Altera Nios IIARM architecture, FujitsuMicrochip Technology, STMicroelectronics etc.

Vulnerabilities affected multiple Versions of operating systems including, FreeRTOS up to V10.0.1 (with FreeRTOS+TCP), AWS FreeRTOS up to V1.3.1, WHIS OpenRTOS and SafeRTOS (With WHIS Connect middleware TCP/IP components).

FreeRTOS and SafeRTOS have been used in a wide variety of industries: IoT, Aerospace, Medical, Automotive, and more.

Researchers addressed 13 Vulnerabilities that includes 4 Critical remote code execution vulnerabilities, 1 Denial of service flaw, 7 Information leak flaw, and 1 other category.

CVE-2018-16522Remote code execution
CVE-2018-16525Remote code execution
CVE-2018-16526Remote code execution
CVE-2018-16528Remote code execution
CVE-2018-16523Denial of service
CVE-2018-16524Information Leak
CVE-2018-16527Information Leak
CVE-2018-16599Information Leak
CVE-2018-16600Information Leak
CVE-2018-16601Information Leak
CVE-2018-16602Information Leak
CVE-2018-16603Information Leak

Above vulnerabilities allows an attacker to crash the device, leak information from the device’s memory, and remotely execute code on it, thus completely compromising it.

FreeRTOS was developed by Real Time Engineers Ltd but In November 2017, Amazon Web Services (AWS) took stewardship for the FreeRTOS kernel and its components.

In this caseAWS FreeRTOS focused to provide a fully enabled IoT platform for microcontrollers, by bundling the FreeRTOS kernel together with the FreeRTOS TCP/IP stack, modules for secure connectivity, over the air updates, code signing, AWS cloud support, and more.”

zLabs researchers found these vulnerabilities within FreeRTOS’s TCP/IP stack and in the AWS secure connectivity modules. The same vulnerabilities are present in WHIS Connect TCP/IP component for OpenRTOS\SafeRTOS.

Also zimperium team reported the vulnerabilities and collaborate with Amazon and release the patch for all the above vulnerabilities.

Also Read:

Torii Botnet – A New Sophisticated IoT Botnet Attack in Wide – More Powerful Than Mirai

Raise of IoT Botnets Responsible for Massive DDoS Attacks – Q2 2018 Threat Report

Half a Billion Enterprise IoT Devices are Vulnerable to DNS Rebinding Attack – A Remote Network Control Attack


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BALAJI is an Ex-Security Researcher (Threat Research Labs) at Comodo Cybersecurity. Editor-in-Chief & Co-Founder - Cyber Security News & GBHackers On Security.

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