Linux Heap Calloc Exploitation part 2

In this paper, I introduce the reader to a heap metadata corruption against the most current version of the Linux Heap allocator. Normally, calloc will allocate data and zero out the memory before returning a pointer to it. An attacker that can overflow from one chunk into a free chunk in a fast bin can force calloc to return uninitialised data. This information leak could be utilised to defeat ASLR or expose sensitive information.

Linux Heap Calloc Exploitation part 2.PDF

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