Exploiting an IP Camera: Building an ARM ROP Chain to Bypass ASLR Without Address Leaks
By
todsacerdoti
Hand-rolled, kettle-boiled, baked to perfection. Worth every minute at the bakery.
Summary
This technical article details a cybersecurity researcher's process of discovering and exploiting a previously unknown vulnerability in an IP camera. The author walks through firmware extraction, vulnerability discovery, and building a complex ARM ROP chain exploit that bypasses ASLR (Address Space Layout Randomization) without needing address leaks, ultimately achieving unauthenticated remote code execution (RCE) on the IoT device.
Key quotes
· 4 pulledFollow along as we build an ARM ROP chain to bypass ASLR without an address leak, and achieve unauthenticated RCE.
I will take you through building a considerably more complex binary exploit.
We will explore the path from firmware extraction and analysis to the discovery of a previously unknown vulnerability and its exploitation.
After my previous post on ARM exploitation, where we crafted an exploit for a known vulnerability, I decided to continue the research on a more modern IoT target.
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