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Thread: Bound checking help

  1. May 7th, 2002, 12:14 AM #1
    Toxic
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    Unhappy Bound checking help

    Hey, I am currently on level 9 for hackerslab and I am not sure what bound checking is. Could someone please explain this to me, and if you have played hackerslab, please do not give me the answer to the level, I just need to know what bound checking is. Thanks.
    Sitting Duck Security check it out

    (All right, all right, you guys talked me into it, I will just learn PHP instead of using ASP.)
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  2. May 7th, 2002, 01:56 AM #2
    Cheeseball
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    Use google to look for an article that was in one of the Phrack's by Alpha One, "Smashing the stack for fun and profit". Bound checking is basically what a programmer would do to stop someone from exploiting a coding bug using a buffer overflow. The difference between strcpy and strncpy basically.

    Hope this helps.
    http://www25.brinkster.com/cheeseball

    -- Do not dwell in the past, do not dream of the future, concentrate the mind on the present moment--
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  3. May 7th, 2002, 04:00 AM #3
    Cheeseball
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    Also as another general note, this should be under the programming security forum as it can also cause issues on windows. Considering you were asking what it was I am taking it that you did not know this at the time of post and that pretty much explains why it is here.....Just thought i would bring it up in cause we end up with like 15 or so replys someone can put it in the right place should someone find that as a nesscessity.
    http://www25.brinkster.com/cheeseball

    -- Do not dwell in the past, do not dream of the future, concentrate the mind on the present moment--
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  4. May 8th, 2002, 12:17 AM #4
    Toxic
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    Hey thanks dude, that helped a lot, and sorry for posting it in the wrong spot, but like you said I didn't know I just assumed that since hackerslab was linux this would be the spot. Also if I knew how to move it I would, but thanks for the help anyway.
    Sitting Duck Security check it out

    (All right, all right, you guys talked me into it, I will just learn PHP instead of using ASP.)
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