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    SubjectRe: WINE + NX (No eXecute) support for x86, 2.6.7-rc2-bk2
    Date
    On Tuesday 08 June 2004 16:50, Robert White wrote:
    > I would think that having an easy call to disable the NX modification would
    > be both safe and effective. That is, adding a syscall (or whatever) that
    > would let you mark your heap and/or stack executable while leaving the new
    > default as NX, is "just as safe" as flagging the executable in the first
    > place.

    ahhhh no.

    The first attack against a vulerable server would be to load a string
    on the stack that would:
    1. have address of the syscall to turn off NX, then return to the stack.
    2. have normal worm/virus code following.

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