Das U-Boot security vulnerability

Das U-Boot is a boot loader program mainly for embedded systems. The program supports many different computer system architectures such as PPC, ARM, AVR32, MIPS, x86, 68k, Nios and MicroBlaze. A security vulnerability exists in versions prior to Das U-Boot 2021.04-rc2, which stems from the loader...

Reverse Engineering Keys from Firmware. A how-to

TL;DR It is possible to reverse engineer keys from firmware with some tips: 1. Always looks for strings/constants. 2. Make guesses about the original source. 3. Find a function you can recognise and work backwards to identify other functions. 4. It helps if they use open-source code so you can cr...

USN-4722-1: ReadyMedia (MiniDLNA) vulnerabilities

It was discovered that ReadyMedia MiniDLNA allowed subscription requests with a delivery URL on a different network segment than the fully qualified event- subscription URL. An attacker could use this to hijack smart devices and cause denial of service attacks. CVE-2020-12695 It was discovered th...

Wolfssl Trust Management Issues Vulnerabilities

Wolfssl CyaSSL is the United States Wolfssl company for embedded systems developers to use a small, portable embedded SSL programming library. A trust management issue vulnerability exists in the DoTls13CertificateVerify function in the WolfSSL version 4.6.0 tls13.c file, which stems from not...

Wind River ‘Security Incident’ Affects SSNs, Passport Numbers

Wind River Systems, which develops embedded system software, on Friday warned of a “security incident” that had exposed personnel records. One or more files were downloaded from the company’s network on or around September 29, it said. Affected data included information maintained within the...

Micrium uC-HTTP HTTP Server unchecked return value denial-of-service vulnerability

Summary A denial-of-service vulnerability exists in the HTTP Server functionality of Micrium uC-HTTP 3.01.00. A specially crafted HTTP request can lead to denial of service. An attacker can send an HTTP request to trigger this vulnerability. Tested Versions Micrium uC-HTTP 3.01.00 Product URLs...

Ripple20 Treck TCP/IP Stack Vulnerabilities

Treck IP stack implementations for embedded systems are affected by multiple vulnerabilities. This set of vulnerabilities was researched and reported by JSOF, who calls them Ripple20. A summary of JSOF’s research is here, along with a technical whitepaper. See the Rapid7 Analysis tab for further...

Treck TCP/IP Buffer Error Vulnerability

Treck TCP/IP is a TCP Transmission Control Protocol/IP Internet Interconnection Protocol suite from Treck, Inc. dedicated to embedded systems. A security vulnerability exists in Treck TCP/IP stack version 6.0.1.67 and prior versions, which stems from a vulnerability in the Treck HTTP server...

'Amnesia:33' TCP/IP Flaws Affect Millions of IoT Devices

Researchers – as well as the U.S. Cybersecurity Infrastructure Security Agency CISA – are warning of a set of serious vulnerabilities affecting TCP/IP stacks. The flaws impact millions of internet-of-things IoT devices and embedded systems, including smart thermometers, smart plugs and printers...

musl libc buffer error vulnerability

musl libc is musl open source an open source C language standard library . Mainly used for embedded systems and mobile devices and so on. A buffer error vulnerability exists in musl libc version 1.2.1 and earlier versions, which stems from wcsnrtombs incorrectly handling a specific combination of...

Brute forcing device passwords

When working with IoT and embedded systems, brute-force password guessing attacks are an effective tool to gain access. Over the years, I’ve learned some tips and tricks to make these attacks more effective. What is brute forcing? Very simply, it’s guessing passwords so that you can find a valid...

Treck IPv6 stack out-of-bounds write vulnerability

Treck TCP/IP is a suite of TCP Transmission Control Protocol/IP Internet Interconnection Protocol from Treck, Inc. dedicated to embedded systems. An out-of-bounds write vulnerability exists in the Treck IPv6 stack. An attacker can exploit the vulnerability to remotely execute code...

Treck TCP/IP Input Validation Error Vulnerability

Treck TCP/IP is a suite of TCP Transmission Control Protocol/IP Internet Interconnection Protocol from Treck, Inc. dedicated to embedded systems. An input validation error vulnerability exists in the DNS resolver program component of Treck TCP/IP. An attacker could exploit this vulnerability to...

Treck IPv6 stack input validation error vulnerability

Treck TCP/IP is a suite of TCP Transmission Control Protocol/IP Internet Interconnection Protocol from Treck, Inc. dedicated to embedded systems. An input validation error vulnerability exists in the Treck IPv6 stack. The vulnerability arises from a network system or product that does not properl...

Treck TCP/IP Stack Input Validation Error Vulnerability

Treck TCP/IP is a suite of TCP Transmission Control Protocol/IP Internet Interconnection Protocol from Treck, Inc. dedicated to embedded systems. An input validation error vulnerability exists in the Treck TCP/IP stack. The vulnerability originates from a network system or product that does not...

Treck TCP/IP DHCP Component Out-of-Bounds Read Vulnerability

Treck TCP/IP is a TCP Transmission Control Protocol/IP Internet Interconnection Protocol suite dedicated to embedded systems from Treck, Inc. Treck DHCP stack is a DHCP Dynamic Host Setup Protocol implementation for embedded systems from Treck, Inc. An out-of-bounds read vulnerability exists in t...

Treck TCP/IP ICMPv4 Component Input Validation Error Vulnerability

Treck TCP/IP is a TCP Transmission Control Protocol/IP Internet Interconnection Protocol suite for embedded systems from Treck, Inc. Treck ICMPv4 stack is an ICMPv4 IPv4 Internet Control Message Protocol implementation for embedded systems from Treck, Inc. An input validation error vulnerability...

Treck IPv4/UDP stack mishandling vulnerability

Treck TCP/IP is a suite of TCP Transmission Control Protocol/IP Internet Interconnection Protocol from Treck, Inc. dedicated to embedded systems. A security vulnerability exists in the Treck IPv4/UDP stack that stems from the program's failure to properly handle differences in the length paramete...

Treck TCP/IP Stack Input Validation Error Vulnerability

Treck TCP/IP is a suite of TCP Transmission Control Protocol/IP Internet Interconnection Protocol from Treck, Inc. dedicated to embedded systems. An input validation error vulnerability exists in the Treck TCP/IP stack. The vulnerability originates from a network system or product that does not...

Unspecified Vulnerability in Treck TCP/IP TCP Component

Treck TCP/IP is a suite of TCP Transmission Control Protocol/IP Internet Interconnection Protocol from Treck, Inc. dedicated to embedded systems. A security vulnerability exists in the Treck TCP/IP TCP component. The vulnerability stems from a failure of the program to properly handle differences...