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user-agent-impersonation.php
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<?php
try{
switch ($_SESSION["security-level"]){
case "0": // This code is insecure
case "1": // This code is insecure
// DO NOTHING: This is insecure
$lEncodeOutput = FALSE;
$luseSafeJavaScript = "false";
break;
case "2":
case "3":
case "4":
case "5": // This code is fairly secure
/*
* NOTE: Input validation is excellent but not enough. The output must be
* encoded per context. For example, if output is placed in HTML,
* then HTML encode it. Blacklisting is a losing proposition. You
* cannot blacklist everything. The business requirements will usually
* require allowing dangerous charaters. In the example here, we can
* validate username but we have to allow special characters in passwords
* least we force weak passwords. We cannot validate the signature hardly
* at all. The business requirements for text fields will demand most
* characters. Output encoding is the answer. Validate what you can, encode it
* all.
*
* For JavaScript, always output using innerText (IE) or textContent (FF),
* Do NOT use innerHTML. Using innerHTML is weak anyway. When
* attempting DHTML, program with the proper interface which is
* the DOM. Thats what it is there for.
*/
// encode the output following OWASP standards
// this will be HTML encoding because we are outputting data into HTML
$lEncodeOutput = TRUE;
$luseSafeJavaScript = "true";
break;
}// end switch
} catch (Exception $e) {
echo $CustomErrorHandler->FormatError($e, "Error collecting browser information");
}// end try;
?>
<div class="page-title">User-Agent Impersonation</div>
<?php include_once (__SITE_ROOT__.'/includes/back-button.inc');?>
<?php include_once (__SITE_ROOT__.'/includes/hints/hints-menu-wrapper.inc'); ?>
<fieldset>
<legend>Browser Fingerprint</legend>
<div> </div>
<table style="width:80%;" class="results-table">
<tr><td colspan="3" id="id_result"></td></tr>
<tr><td colspan="3"> </td></tr>
<tr><th class="report-label">User Agent</th><td class="report-data" id="id_user_agent_td"></td></tr>
<tr><th class="report-label">App Code Name</th><td class="report-data" id="id_browser_codename_td"></td></tr>
<tr><th class="report-label">App Name</th><td class="report-data" id="id_browser_td"></td></tr>
<tr><th class="report-label">Browser Version</th><td class="report-data" id="id_browser_version_td"></td></tr>
<tr><th class="report-label">Platform</th><td class="report-data" id="id_platform_td"></td></tr>
<tr><th class="report-label">Vendor</th><td class="report-data" id="id_browser_vendor_td"></td></tr>
<tr><th class="report-label">Vendor Sub</th><td class="report-data" id="id_browser_vendor_sub_td"></td></tr>
<tr><th class="report-label">Build ID</th><td class="report-data" id="id_build_id_td"></td></tr>
<tr><th class="report-label">O/S CPU</th><td class="report-data" id="id_oscpu_td"></td></tr>
<tr><th class="report-label">Product</th><td class="report-data" id="id_product_td"></td></tr>
<tr><th class="report-label">Product Sub</th><td class="report-data" id="id_product_sub_td"></td></tr>
</table>
</fieldset>
<script type="text/javascript">
var g_beSmart = <?php echo $luseSafeJavaScript; ?>;
var g_usingIE = ('all' in document);
var outputValue = function(p_elementId, p_elementValue, p_beSmart, p_usingIE){
if(p_beSmart){
//safe
if(p_usingIE){
document.getElementById(p_elementId).innerText = p_elementValue;
}else{
document.getElementById(p_elementId).textContent = p_elementValue;
}// end if
}else{
// unsafe and low-skill - should be using DOM interface
document.getElementById(p_elementId).innerHTML = p_elementValue;
}//end if
};// end function
// These can be changed with a tool like User-Agent Switcher or via Firefox about:config
outputValue("id_platform_td", window.navigator.platform, g_beSmart, g_usingIE);
outputValue("id_browser_vendor_td", window.navigator.vendor, g_beSmart, g_usingIE);
outputValue("id_browser_vendor_sub_td", window.navigator.vendorSub, g_beSmart, g_usingIE);
outputValue("id_browser_td", window.navigator.appName, g_beSmart, g_usingIE);
outputValue("id_browser_codename_td", window.navigator.appCodeName, g_beSmart, g_usingIE);
outputValue("id_browser_version_td", window.navigator.appVersion, g_beSmart, g_usingIE);
outputValue("id_user_agent_td", window.navigator.userAgent, g_beSmart, g_usingIE);
// These can only be changed in browser config via Firefox about:config.
outputValue("id_build_id_td", window.navigator.buildID, g_beSmart, g_usingIE);
outputValue("id_oscpu_td", window.navigator.oscpu, g_beSmart, g_usingIE);
outputValue("id_product_td", window.navigator.product, g_beSmart, g_usingIE);
outputValue("id_product_sub_td", window.navigator.productSub, g_beSmart, g_usingIE);
var lResultTD = document.getElementById("id_result");
if(
window.navigator.platform === "iPad" &&
window.navigator.appName === "Netscape" &&
window.navigator.appCodeName === "Mozilla" &&
window.navigator.appVersion.indexOf("iPad") !== -1 &&
window.navigator.appVersion.indexOf("Mac") !== -1 &&
window.navigator.appVersion.indexOf("AppleWebKit") !== -1 &&
window.navigator.appVersion.indexOf("Safari") !== -1 &&
window.navigator.product === "Gecko" &&
window.navigator.productSub === "20030107"
){
lResultTD.innerHTML = "Congratulations. You look like an iPad using Safari Browser to me.";
lResultTD.className = "success-header";
}else{
lResultTD.innerHTML = "Sorry. You do not look like an Apple iPad using Safari Browser.<br />This page uses JavaScript browser and O/S fingerprinting to decide if the user-agent is allowed.";
lResultTD.className = "error-header";
}// end if
/*
Log the browser fingerprint using the capture data page so
we can copy and
paste the results to the user-agent switcher easier
*/
try{
var lXMLHTTP;
var lURL = "/mutillidae/capture-data.php";
var lRequestMethod = "GET";
var lAsyncronousRequestFlag = true;
var lBrowserFingerprint = " Platform:" + window.navigator.platform +
" Vendor:" + window.navigator.vendor +
" VendorSub:" + window.navigator.vendorSub +
" AppName:" + window.navigator.appName +
" CodeName:" + window.navigator.appCodeName +
" Version:" + window.navigator.appVersion +
" User Agent:" + window.navigator.userAgent;
lXMLHTTP = new XMLHttpRequest();
lXMLHTTP.onreadystatechange=function(){}; //end function
lXMLHTTP.open(lRequestMethod, lURL+"?"+encodeURI("Browser Fingerprint:" + lBrowserFingerprint), lAsyncronousRequestFlag);
lXMLHTTP.setRequestHeader("Content-type","application/x-www-form-urlencoded");
lXMLHTTP.send();
}catch(e){
alert("Error trying execute AJAX call: " + e.message);
}//end try
</script>