Here you can read about defeating the protections you mentioned: http://www.blackhat.com/presentations/bh-europe-09/Fritsch/Blackhat-Europe-2009-Fritsch-Buffer-

Here you can read about defeating the protections you mentioned: http://www.blackhat.com/presentations/bh-europe-09/Fritsch/Blackhat-Europe-2009-Fritsch-Buffer-Overflows-Linux-whitepaper.pdf http://www.blackhat.com/presentations/bh-europe-09/Fritsch/B...