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The HP Security Research blog provides a platform for security experts from across HP to discuss innovative research, industry observations, and updates on the threat landscape to help organizations proactively identify and manage risk.

CVE-2013-3112: From NULL to Control - Persistence pays off with crashes

Months ago, my fuzzer found a bug that was initially flagged as a NULL pointer dereference. The crash instruction was different from the others, so I decided to minimize the crash and have a closer look. Things got quite interesting, and with some persistence, ended up in control of EIP (Extended Instruction Pointer).  This article walks through the whole analysis process from a null pointer crash to fully controlling execution. 

Labels: crashes| security
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