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ROP is about leveraging an initial execution thread hijack into arbitrary code execution even in situations where the OS tries to prevent just that (with DEP and ASLR). By "execution thread hijack" I mean that the attacker succeeds in making execution jump to an unforeseen place, normally by overwriting a memory slot that the application code will later on ...


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A quick Google search says "no". The original paper from the original presentation (Section 4.2) says that although Buffer Overflow is easiest, it is not necessary. However, a stack overflow isn’t necessary. The payload containing the return-oriented program could be on the heap, and the attacker could trigger its execution by overwriting a function ...



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