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I’m recently read a paper called Exploiting the Hard-Working DWARF on Hackito Ergo Sum 2011.
It contains the phrase “not a one-stop memory corruption”. What is that?
It’s not an exact term, but basically means something like directly overwriting a bookkeeping datastructure, such as the internal bookkeeping of
malloc. “Not a one-stop memory corruption” would be an indirect corruption. This corruption will then cause a later innocent operation to corrupt memory.In this particular case, the indirect corruption causes the DWARF exception handling code to corrupt memory.