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A repository for learning various heap exploitation techniques.

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So far, we have between zero and two applicable CTF chals per technique. This is probably good, but the more CTFs run, the more applicable chals will pop up. We...

**This pr correct some bugs i discovered in a previously opened PR (id: #175)** By working on binexp, i thought it would be very useful to be able to see...

Hi y'all, Many of the recommended tools appear to have been abandoned. They should probably be removed from readme.

...because I wrote a [patch](https://patchwork.sourceware.org/project/glibc/patch/[email protected]/) :) The patch adds a check when moving chunks from fastbin to tcache that the size field in the chunks makes sense. Even with this...

When attempting to run tools under a certain glibc version with `./glibc_run.sh` I am getting an error saying `zstd` is not found. This is after running: ```bash root@52bd1267a6cb:~/how2heap# apt install...

Handles: https://github.com/shellphish/how2heap/issues/200 Clarified some language to make it more clear this isn't a technique that (in general) gives tcache double free -> tcache poison. Cleaned up the explanation a bit....

ik the repo is following the ubuntu's glibc releases, however i just wanted to give a heads-up [this patch](https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=226e3b0a413673c0d6691a0ae6dd001fe05d21cd) adds tcache support to calloc, so it's no longer possible to...