The blog of a gypsy engineer

Software security, electronics, DIY and traveling.

MessagePack fuzzing

MessagePack is a binary serialization format. There are lots of open source implementations of this protocol on various languages including C/C++. It’s good to do something good in new year. For example, it can be a little contribution to an open source project. Let’s check quickly if the implementation on C/C++ has any memory corruption issues. One of the best ways is of course fuzzing.

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Fuzzing GUI applications: AbiWord

Usually there is no problem if you want to fuzz a headless application. A headless application can be run just in a terminal, and doesn’t have any GUI. You can pick up your favorite fuzzer, and feed fuzzed data to the application. Normally, a headless application just processes data, and then quits or crashes right away. But it may be different if you are trying to fuzz an application with GUI. Let’s try to fuzz an open source text editor AbiWord.

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