Inside the IOActive Silicon Lab: Interpreting Images
In the post “Reading CMOS layout,” we discussed understanding CMOS layout in order to reverse-engineer photographs of a circuit to a transistor-level schematic. This was all well and good, but I glossed over an important (and often overlooked) part of the process: using the photos to observe and understand the circuit’s actual geometry. Optical Microscopy Let’s start with brightfield optical microscope imagery. (Darkfield microscopy is rarely used for semiconductor work.) Although reading lower metal layers on modern deep-submicron processes does usually require electron microscopy, optical microscopes still have…
Got 15 minutes to kill? Why not root your Christmas gift?
TP-LINK NC200 and NC220 Cloud IP Cameras, which promise to let consumers “see there, when you can’t be there,” are vulnerable to an OS command injection in the PPPoE username and password settings. An attacker can leverage this weakness to get a remote shell with root privileges. The cameras are being marketed for surveillance, baby monitoring, pet monitoring, and monitoring of seniors. This blog post provides a 101 introduction to embedded hacking and covers how to extract and analyze firmware to look for common low-hanging fruit in security. This post…
Authenticated OS Command Injection on TP-LINK Cloud Cameras
An attacker with Administrator (admin) access to the administrative web panel of a TP-LINK Cloud Camera can gain root access to the device, fully compromising its confidentiality, integrity, and availability.
Inside the IOActive Silicon Lab: Reading CMOS layout
Ever wondered what happens inside the IOActive silicon lab? For the next few weeks we’ll be posting a series of blogs that highlight some of the equipment, tools, attacks, and all around interesting stuff that we do there. We’ll start off with Andrew Zonenberg explaining the basics of CMOS layout. Basics of CMOS Layout When describing layout, this series will use a simplified variant of Mead & Conway’s color scheme, which hides some of the complexity required for manufacturing. Material Color P doping N doping Polysilicon…
Remotely Disabling a Wireless Burglar Alarm
Countless movies feature hackers remotely turning off security systems in order to infiltrate buildings without being noticed. But how realistic are these depictions? Time to find out. Today we’re releasing information on a critical security vulnerability in a wireless home security system from SimpliSafe. This system consists of two core components, a keypad and a base station. These may be combined with a wide array of sensors ranging from smoke detectors to magnet switches to motion detectors to create a complete home security system. The system is marketed…
SimpliSafe Alarm System Replay Attack
The radio interface for the SimpliSafe home burglar/fire alarm systems is not encrypted and does not use “rolling codes,” nonces, two-way handshakes, or other techniques to prevent transmissions from being recorded and reused. An attacker who is able to intercept the radio signals between the keypad and base station can record and re-play the signal in order to turn off the alarm at a time of his choice in the future.
Brain Waves Technologies: Security in Mind? I Don’t Think So
INTRODUCTION Just a decade ago, electroencephalography (EEG) was limited to the inner rooms of hospitals, purely for medical purposes. Nowadays, relatively cheap consumer devices capable of measuring brain wave activity are in the hands of curious kids, researchers, artists, creators, and hackers. A few of the applications of this technology include: · EEG-controlled Exoskeleton Hope for ALS Sufferers · Brain-controlled Drone · Brain Waves Used as a Biometric Authentication Mechanism · Translating Soldier Thoughts to Computer Commands (Military) · Detect Battlefield…
More than a simple game
EKOPARTY Conference 2015, one of the most important conferences in Latin America, took place in Buenos Aires three months ago. IOActive and EKOPARTY hosted the main security competition of about 800 teams which ran for 32 hours, the EKOPARTY CTF (Capture the Flag). Teams from all around the globe demonstrated their skills in a variety of topics including web application security, reverse engineering, exploiting, and cryptography. It was a wonderful experience. If you haven’t competed before, you may wonder: What are security competitions all about? Why are they…
Drupal – Insecure Update Process
Just a few days after installing Drupal v7.39, I noticed there was a security update available: Drupal v7.41. This new version fixes an open redirect in the Drupal core. In spite of my Drupal update process checking for updates, according to my local instance, everything was up to date: Issue #1: Whenever the Drupal update process fails, Drupal states that everything is up to date instead of giving a warning. The issue was due to some sort of network problem. Apparently,…
(In)secure iOS Mobile Banking Apps – 2015 Edition
Two years ago, I decided to conduct research in order to obtain a global view of the state of security of mobile banking apps from some important banks. In this blog post, I will present my latest results to show how the security of the same mobile banking apps has evolved.