The vulnerabilities we uncovered by fuzzing µC/OS protocol stacks

Hunting for vulnerabilities in industrial environments has become increasingly important as industrial control systems and critical infrastructure face threats from state-sponsored actors and ransomware groups hoping to cash out on million-dollar payments. Fuzzing has long been one of our favorit...

Weston Embedded uC-HTTP HTTP Server form boundary heap-based buffer overflow vulnerability

Talos Vulnerability Report TALOS-2023-1733 Weston Embedded uC-HTTP HTTP Server form boundary heap-based buffer overflow vulnerability November 14, 2023 CVE Number CVE-2023-27882 SUMMARY A heap-based buffer overflow vulnerability exists in the HTTP Server form boundary functionality of Weston...

Vulnerability Spotlight: Authentication bypass, use-after-free vulnerabilities found in a library for the µC/OS open-source operating system

Kelly Leuschner of Cisco Talos discovered these vulnerabilities. Cisco Talos recently discovered two vulnerabilities in a library for µC/OS, an open-source operating system developed by Micrium. µC/OS is an embedded operating system that supports TCP/IP, USB, CAN bus and Modbus. The two...