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Fix FTP anonymous login detection when ANONYMOUS_LOGIN option is enabled #21375

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Fix FTP anonymous login detection when ANONYMOUS_LOGIN option is enabled #21375

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2 changes: 1 addition & 1 deletion lib/metasploit/framework/ftp/client.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -68,7 +68,7 @@ def data_disconnect
def connect_login(user,pass,global = true)
ftpsock = connect(global)

if !(user and pass)
if !(user and pass) && !(user == '' && pass == '')
return false
end

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6 changes: 5 additions & 1 deletion modules/auxiliary/scanner/ftp/ftp_login.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -105,14 +105,18 @@ def run_host(ip)
end
end

# Always check for anonymous access by pretending to be a browser.
def anonymous_creds
anon_creds = [ ]
# Support both ANONYMOUS_LOGIN option and RECORD_GUEST option
if datastore['RECORD_GUEST']
['IEUser@', 'User@', 'mozilla@example.com', 'chrome@example.com' ].each do |password|
anon_creds << Metasploit::Framework::Credential.new(public: 'anonymous', private: password)
end
end
# Also add blank username/password when ANONYMOUS_LOGIN is enabled
if datastore['ANONYMOUS_LOGIN']
anon_creds << Metasploit::Framework::Credential.new(public: '', private: '', realm: nil, private_type: :password)
end
anon_creds
end

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