ESB-2017.2185 - [Win] Moxa SoftCMS Live Viewer: Unauthorised access - Remote/unauthenticated 2017-09-01

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.2185
            Advisory (ICSA-17-243-05) Moxa SoftCMS Live Viewer
                             1 September 2017

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Moxa SoftCMS Live Viewer
Publisher:         ICS-CERT
Operating System:  Windows
Impact/Access:     Unauthorised Access -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-50137  

Original Bulletin: 
   https://ics-cert.us-cert.gov/advisories/ICSA-17-243-05

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Advisory (ICSA-17-243-05)

Moxa SoftCMS Live Viewer

Original release date: August 31, 2017

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/.

CVSS v3 9.8

AFFECTED PRODUCTS

The following versions of SoftCMS Live Viewer, a video surveillance software 
designed for industrial automation systems, are affected:

SoftCMS Live Viewer, Version 1.6 and prior versions.

IMPACT

Successful exploitation of this vulnerability could allow an unauthenticated 
user to access SoftCMS Live Viewer without knowing the users password.

MITIGATION

Moxa has provided software update Version 1.7 for SoftCMS Live Viewer which 
fixes this vulnerability. Moxa recommends users update to the new version, 
which is available at the following location:

https://www.moxa.com/support/download.aspx?type=support&id=11362 (link is 
external)

NCCIC/ICS-CERT recommends that users take defensive measures to minimize the 
risk of exploitation of this vulnerability. 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. 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 ICSCERT 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.

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.

No known public exploits specifically target this vulnerability.

VULNERABILITY OVERVIEW

IMPROPER NEUTRALIZATION OF SPECIAL ELEMENTS USED IN AN SQL COMMAND ('SQL 
INJECTION') CWE-89

An improper neutralization of special elements used in an SQL command ('SQL 
Injection') vulnerability has been identified. Attackers can exploit this 
vulnerability to access SoftCMS without knowing the users password.

CVE-2017-50137 has been assigned to this vulnerability. A CVSS v3 base score 
of 9.8 has been assigned; the CVSS vector string is 
(AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

RESEARCHER

Security researcher Ziqiang Gu from Huawei WeiRan Labs identified this 
vulnerability.

BACKGROUND

Critical Infrastructure Sectors: Critical Manufacturing, Energy, 
Transportation Systems.

Countries/Areas Deployed: Worldwide

Company Headquarters Location: Taiwan

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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