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AUSCERT External Security Bulletin Redistribution
ESB-2016.1282
Resource Data Management Intuitive 650 TDB Controller Vulnerabilities
20 May 2016
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AusCERT Security Bulletin Summary
---------------------------------
Product: Intuitive 650 TDB Controller
Publisher: ICS-CERT
Operating System: Network Appliance
Impact/Access: Increased Privileges -- Existing Account
Cross-site Request Forgery -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2016-4506 CVE-2016-4505
Original Bulletin:
https://ics-cert.us-cert.gov/advisories/ICSA-16-140-01
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Advisory (ICSA-16-140-01)
Resource Data Management Intuitive 650 TDB Controller Vulnerabilities
Original release date: May 19, 2016
Legal Notice
All information products included in http://ics-cert.us-cert.gov are provided
"as is" for informational purposes only. The Department of Homeland Security
(DHS) does not provide any warranties of any kind regarding any information
contained within. DHS does not endorse any commercial product or service,
referenced in this product or otherwise. Further dissemination of this product
is governed by the Traffic Light Protocol (TLP) marking in the header. For
more information about TLP, see http://www.us-cert.gov/tlp/.
OVERVIEW
Independent researcher Maxim Rupp has identified a privilege escalation
vulnerability and a cross-site request forgery (CSRF) vulnerability in
Resource Data Managements Intuitive 650 TDB Controller. Resource Data
Management has produced a new version to mitigate these vulnerabilities.
These vulnerabilities could be exploited remotely.
AFFECTED PRODUCTS
The following Intuitive 650 TDB Controller versions are affected:
Intuitive 650 TDB Controller Version 2.1 and earlier.
IMPACT
Privilege escalation allows an attacker to gain elevated access to resources
that are normally protected from an application or user. This includes
altering logs and parameters.
A CSRF attack may allow the web browser to perform an unwanted action on a
trusted site for which the user is currently authenticated.
Impact to individual organizations depends on many factors that are unique to
each organization. NCCIC/ICS-CERT recommends that organizations evaluate the
impact of these vulnerabilities based on their operational environment,
architecture, and product implementation.
BACKGROUND
Resource Data Management is a US-based company that maintains offices in
several countries around the world, including the UK, US, and Asia.
The affected product, Intuitive 650 TDB Controller, is a network communication
connection device. According to Resource Data Management, Intuitive 650 TDB
Controller is deployed across several sectors including Commercial Facilities,
Critical Manufacturing, Healthcare and Public Health, and others. Resource
Data Management estimates that these products are used primarily in the United
States, United Kingdom, and Asia.
VULNERABILITY CHARACTERIZATION
VULNERABILITY OVERVIEW
PRIVILEGE ESCALATION[a]
A valid user can change the password for any other user, including
administrators, to increase their privileges on the system.
CVE-2016-4505[b] has been assigned to this vulnerability. A CVSS v3 base score
of 8.8 has been calculated; the CVSS vector string is
(AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).[c]
CROSS-SITE REQUEST FORGERY[d]
A CSRF attack occurs when a malicious program causes a web browser to perform
an unwanted action on a trusted site for which the user is currently
authenticated.
CVE-2016-4506[e] has been assigned to this vulnerability. A CVSS v3 base score
of 6.5 has been calculated; the CVSS vector string is
(AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).[f]
VULNERABILITY DETAILS
EXPLOITABILITY
These vulnerabilities could be exploited remotely.
EXISTENCE OF EXPLOIT
No known public exploits specifically target these vulnerabilities.
DIFFICULTY
An attacker with a low skill would be able to exploit these vulnerabilities.
MITIGATION
Resource Data Management has developed RDM TDB Control Editor 2 (v2.1.24) that
fixes both these vulnerabilities.
Customers can download Version 2.1.24 at:
https://www.resourcedm.com/en-us/support/software (link is external)
ICS-CERT recommends that users take defensive measures to minimize the risk of
exploitation of these vulnerabilities. Specifically, users should:
Minimize network exposure for all control system devices and/or systems, and
ensure that they are not accessible from the Internet.
Locate control system networks and remote devices behind firewalls, and
isolate them from the business network.
When remote access is required, use secure methods, such as Virtual Private
Networks (VPNs), recognizing that VPNs may have vulnerabilities and should be
updated to the most current version available. Also recognize that VPN is only
as secure as the connected devices.
ICS-CERT reminds organizations to perform proper impact analysis and risk
assessment prior to deploying defensive measures.
ICS-CERT also provides a section for control systems security recommended
practices on the ICS-CERT web page at:
http://ics-cert.us-cert.gov/content/recommended-practices. Several recommended
practices are available for reading and download, including Improving
Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
Additional mitigation guidance and recommended practices are publicly
available in the ICS-CERT Technical Information Paper,
ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation
Strategies, that is available for download from the ICS-CERT web site
(http://ics-cert.us-cert.gov/).
Organizations observing any suspected malicious activity should follow their
established internal procedures and report their findings to ICS-CERT for
tracking and correlation against other incidents.
a. CWE-269: Improper Privilege Escalation,
http://cwe.mitre.org/data/definitions/269.html, web site last accessed May 19,
2016.
b. NVD, http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-4505, NIST
uses this advisory to create the CVE web site report. This web site will be
active sometime after publication of this advisory.
c. CVSS Calculator,
https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S...,
web site last accessed May 19, 2016.
d. CWE-352: Cross-Site Request Forgery (CSRF),
http://cwe.mitre.org/data/definitions/352.html, web site last accessed May 19,
2016.
e. NVD, http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-4506, NIST
uses this advisory to create the CVE web site report. This web site will be
active sometime after publication of this advisory.
f. CVSS Calculator,
https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S...,
web site last accessed May 19, 2016.
Contact Information
For any questions related to this report, please contact ICS-CERT at:
Email: ics-cert@hq.dhs.gov (link sends e-mail)
Toll Free: 1-877-776-7585
International Callers: (208) 526-0900
For industrial control systems security information and incident reporting:
http://ics-cert.us-cert.gov
ICS-CERT continuously strives to improve its products and services. You can
help by choosing one of the links below to provide feedback about this
product.
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