Overview

Recently, researchers from Zimperium disclosed 13 critical vulnerabilities in FreeRTOS, including four remote code execution vulnerabilities.

These vulnerabilities are listed as follows:

CVE ID Vulnerability Type
CVE-2018-16522 Remote Code Execution
CVE-2018-16525 Remote Code Execution
CVE-2018-16526 Remote Code Eexecution
CVE-2018-16528 Remote Code Execution
CVE-2018-16523 Denial of Service
CVE-2018-16524 Information Leak
CVE-2018-16527   Information Leak
CVE-2018-16599 Information Leak
CVE-2018-16600 Information Leak
CVE-2018-16601 Information Leak
CVE-2018-16602 Information Leak
CVE-2018-16603 Information Leak
CVE-2018-16598 Other

Reference link:

https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-put-wide-range-devices-risk-compromise-smart-homes-critical-infrastructure-systems/

Affected Versions

  • 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)

Solution

Currently, some vendors, including Amazon, have released patches to fix AWS FreeRTOS (AWS FreeRTOS 1.3.2) and WHIS OpenRTOS and SafeRTOS.

For details, please visit the following link:

https://github.com/aws/amazon-freertos/blob/master/CHANGELOG.md

As this is an open-source project, researches have decided to wait for 30 days before publishing technical details about the preceding vulnerabilities, to allow enough time for affected vendors to patch the vulnerabilities.

Reference link:

https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-put-wide-range-devices-risk-compromise-smart-homes-critical-infrastructure-systems/

Statement

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