what you don't know can hurt you

MEDHOST Connex Hard-Coded Credentials

MEDHOST Connex Hard-Coded Credentials
Posted Jul 25, 2017
Authored by Allen Franks

MEDHOST Connex suffers from having hard-coded credentials that are used for customer database access.

tags | exploit
advisories | CVE-2017-11614
MD5 | 4060ece78c50b2cf07b1ff050beb19bd

MEDHOST Connex Hard-Coded Credentials

Change Mirror Download
Overview
------------

MEDHOST Connex for all versions contains hard-coded credentials that
are used for customer
database access. This is a new vulnerability not related to CVE-2016-4328.

Description
------------

MEDHOST Connex contains hard-coded credentials that are used for
customer database
access. An attacker with knowledge of the hard-coded credentials and the ability
to communicate directly with the database may be able to obtain
or modify sensitive patient and financial information.

Connex utilizes an IBM i DB2 user account for database access. The
account name is HMSCXPDN.
This password is hard-coded in multiple places of the application.
Customers do not have the option to change this password. The account
has elevated DB2 roles, and can access all objects or database tables
on the customer DB2 database. This account can access data through
odbc, ftp, and telnet.

Customers w/o Connex installed are still vulnerable. The MEDHOST setup
program creates this account. Connex provides connectivity to exchange
clinical information with the MEDHOST application. /1

Impact
------------

An attacker with knowledge of the hard-coded credentials and the
ability to communicate
directly with the application database server may be able to obtain or
modify patient
and financial information.

Solution
------------

The vendor has not issued a patch and has been unresponsive to this
information after 3 attempts
to communicate.

Restrict network access

As a general security practice, only allow connections from trusted
hosts and networks.
Restricting access would prevent an attacker from using the hard-coded
database credentials
from a blocked network location.

References

/1 http://www.clinical-innovation.com/topics/health-it/himss-hms-launches-hms-connex-showcase-ambulatory-ehr

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