[freeside-users] Fwd: Freeside SelfService CGI|API 2.3.3 - Multiple Vulnerabilities
Zachery Peres
zperes at kwikom.com
Thu Jul 5 06:34:49 PDT 2012
Anyone know a fix, or one in the works? Or when there will be an official
fix? We could fix these ourselves for the time being.
---------- Forwarded message ----------
From: John Vogel <jvogel at vogent.net>
Date: Wed, Jul 4, 2012 at 6:28 PM
Subject: Fwd: Freeside SelfService CGI|API 2.3.3 - Multiple Vulnerabilities
To: Zachery Peres <zperes at kwikom.com>
-------- Original Message -------- Subject: Freeside SelfService CGI|API
2.3.3 - Multiple Vulnerabilities Date: Wed, 04 Jul 2012 18:12:26 +0200 From:
Research <research at vulnerability-lab.com> <research at vulnerability-lab.com> To:
bugs at securitytracker.com, bugtraq at securityfocus.com
Title:
======
Freeside SelfService CGI|API 2.3.3 - Multiple Vulnerabilities
Date:
=====
2012-06-14
References:
===========http://www.vulnerability-lab.com/get_content.php?id=614
VL-ID:
=====
614
Common Vulnerability Scoring System:
====================================
6.5
Introduction:
=============
Billing, ticketing, reporting and configuration for employees and
resellers The majority of Freeside s
functionality is accessed from here. The back office interface
includes searching and viewing of customers,
invoices, trouble tickets and services, as well as reporting,
configuration, per-user access control,
resellser virtualization and more.
(Copy of the Vendor Homepage: http://freeside.biz/freeside )
Abstract:
=========
The Vulnerability Laboratory Research Team discovered multiple web
vulnerabilities in Freesides SelfService CGI|API v2.3.3 git.
Report-Timeline:
================
2012-06-14: Public or Non-Public Disclosure
Status:
========
Published
Affected Products:
==================
Freeside
Product: SelfService CGI|API v2.3.3
Exploitation-Technique:
=======================
Remote
Severity:
=========
High
Details:
========
1.1
Multiple SQL Injection vulnerabilities are detected in Freesides
SelfService CGI|API v2.3.3.
The vulnerability allows an attacker (remote) or local low privileged
user account to inject/execute own
sql commands on the affected application dbms without user inter
action. The vulnerability is located in the
selfservice.cgi and the bound parameters action & svcnum. Successful
exploitation of the vulnerability
results in dbms & application compromise.
Vulnerable Module(s):
[+] View my usage - Service usage details
Vulnerable File(s):
[+] selfservice.cgi
Vulnerable File(s):
[+] svcnum
[+] action
1.2
Multiple persistent input validation vulnerabilities are detected in
Freesides SelfService CGI|API v2.3.3.
The bugs allow remote attackers to implement/inject malicious script
code on the application side (persistent).
The persistent vulnerabilities are located in the cust_main.cgi,
part_pkg.cgi, part_event.html or part_device.html
with the bound parameters company address, package comment, event- &
device name. Exploitation requires low user
inter action & privileged application user account. Successful
exploitation of the vulnerability can lead to
session hijacking (admin) or stable (persistent) context manipulation.
Vulnerable Files(s):
[+] ../edit/cust_main.cgi?426
[+] ../edit/part_pkg.cgi?4
[+] ../browse/part_event.html
[+] ../browse/part_device.html
Vulnerable Module(s):
[+] [Company] [Address]
[+] [Package] [Comment]
[+] [Event Name]
[+] [Device Name]
1.3
Multiple non persistent cross site scripting vulnerabilities are
detected in Freesides SelfService CGI|API v2.3.3.
The vulnerability allows remote attackers to hijack website customer,
moderator or admin sessions with high required
user inter action or local low privileged user account. The
vulnerabilities are located in the selfservice.cgi file
with the vulnerable bound parameters pkg, pkgnum, beginning & end.
Successful exploitation can result in account steal,
phishing & client-side content request manipulation.
Vulnerable Module(s):
[+] Change User Details
[+] Change Package
Vulnerable File(s):
[+] selfservice.cgi
Vulnerable Parameter(s):
[+] pkg & pkgnum
[+] end & beginning
Proof of Concept:
=================
1.1
The sql injection vulnerability can be exploited by remote attackers
without privileged user account or user inter action.
For demonstration or reproduce ...
PoC:
../selfserv/selfservice.cgi?session=8cd42b35567e5bdce44bf17779b6431e;action=view_usage_details;svcnum=-1'[SQL-INJECTION];beginning=0;ending=0
../selfserv/selfservice.cgi?session=8cd42b35567e5bdce44bf17779b6431e;action=view_usage_details[SQL-INJECTION];svcnum=X;beginning=0;ending=0
> "SELECT * FROM svc_acct WHERE svcnum = ?": LINE 1: SELECT * FROM svc_acct WHERE svcnum = $1
Note: First get a alive session, exchange it with the expired of the
poc and then try to access the url to inject your sql commands.
1.2
The persistent input validation vulnerabilities can be exploited by
remote attackers with low required user inter action.
For demonstration or reproduce ...
Example:
The attacker create/edit an account and inject a malicious script code
i.e., <iframe src=www.vuln-lab.com onload=alert("VL")></iframe>
in the vulnerable fields which are Company and Address. This bug is
very dangerous because once the admin enters the admin area
he will see the page of users. The code that we injected will be
executed out of the main page context of the admin.
Review: Payname
<font color="#FF0000">Illegal (name) (error code illegal_name) payname:
"><iframe src="selfservice.cgi-Dateien/a.xht" onload='alert("VL")'
<<="" font="">
</FONT><BR><BR>
Review: Faxname
<font color="#FF0000">Illegal (phone) (error code illegal_phone) fax: "
><iframe src="selfservice2.cgi-Dateien/a.htm" onload='alert("VL")' <<="" font=""><
/FONT><BR><BR>
Review: Username
username) (2-32): "><iframe src="selfservice3.cgi-Dateien/a.htm"
onload='alert("VL</FONT'>
</FONT><BR><BR>
<FORM
NAME="OrderPkgForm"
1.3
The non persistent cross site scripting vulnerabilities can be
exploited by remote attackers with medium or high required user
inter action & without local privileged user account. For
demonstration or reproduce ...
PoC:
Module: Change User Details
http://127.0.0.1:8080/selfserv/selfservice.cgi?session=8cd42b35567e5bdce44bf17779b6431e;action=view_usage_details;svcnum=598;
beginning=%22%3E%3Ciframe%20src=http://vuln-lab.com%20onload=alert%28%22VL%22%29%20%3C;ending=%22
%3E%3Ciframe%20src=http://vuln-lab.com%20onload=alert%28%22VL%22%29%20%3C
Module: Change Package
http://127.0.0.1:8080/selfserv/selfservice.cgi?session=8cd42b35567e5bdce44bf17779b6431e;action=customer_change_pkg;
pkgnum=3646;pkg=%22%3E%3Ciframe%20src=a%20onload=alert%28%22VL%22%29%20%3C
http://127.0.0.1:8080/selfserv/selfservice.cgi?session=8cd42b35567e5bdce44bf17779b6431e;action=customer_change_pkg;
pkgnum=%22%3E%3Ciframe%20src=a%20onload=alert%28%22VL%22%29%20%3C;pkg=Super%20Bundle%20200GB
Risk:
=====
1.1
The security risk of the sql injection vulnerability is estimated as high(-).
1.2
The security risk of the persistent input validation vulnerabilities
are estimated as medium(+).
1.3
The security risk of the non-persistent cross site scripting
vulnerabilities are estimated as low(+).
Credits:
========
Vulnerability Laboratory [Research Team] - Ibrahim El-Sayed [the
StOrM) (storm at vulnerability-lab.com)
Vulnerability Laboratory [Research Team] - Benjamin Kunz Mejri
(bkm at vulnerability-lab.com)
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*Zachery Peres*
KwiKom Communications
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Iola, Kansas 66749
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