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XDSv1: Section 1, Module 2

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On p.74 (Abusing Low ASLR Entropy), the slide indicates "Only one byte in the middle of the four-byte long address changes throughout the runs of the binary . . . there is a 1/256 probability of hitting a proper address."

The screenshot being referenced on p.73, however, shows looped ldd output wherein two (2) bytes in the middle are actually changed throughout, which would make the probability 1/65536, right?

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