SCADA Vulnerabilities & Exposures (SVE)

CRITIFENCE® SCADA Vulnerabilities and Exposures Database (SVE)

[SVE-780995274] Moxa DACenter Vulnerabilities

Date Type Platform Author EDB-ID CVE-ID OSVDB-ID Download App SIS Signature
2016-12-13OPCMoxaZhou YuN/ACVE-2016-9354 CVE-2016-9356 N/AN/AN/A

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# Moxa DACenter Vulnerabilities
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### OVERVIEW

Independent researcher Zhou Yu has identified denial-of-service and unquoted service path privilege escalation vulnerabilities in Moxa's DACenter application. Moxa has produced a patch to mitigate these vulnerabilities. Zhou Yu has tested the patch to validate that it resolves the vulnerabilities.
These vulnerabilities could be exploited remotely.



### AFFECTED PRODUCTS

Moxa reports that the vulnerability affects the following versions of DACenter:
Versions 1.4 and older.



### IMPACT

The vulnerabilities may render the DACenter application unavailable and also allow an authorized but nonprivileged local user to execute arbitrary code with privileges on the system.
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

Moxa is a Taiwan-based company that maintains offices in several countries around the world, including the US, UK, India, Germany, France, China, Russia, and Brazil.
The affected product, DACenter, provides a standard OPC interface that interacts with Moxa Active OPC Server for real-time data collection. According to Moxa, DACenter is deployed across several sectors including Commercial Facilities, Critical Manufacturing, Energy, Water and Wastewater Systems, and others. Moxa estimates that this product is used primarily in the United States and Europe with a small percentage in Asia.



### VULNERABILITY CHARACTERIZATION

# VULNERABILITY OVERVIEW

RESOURCE EXHAUSTIONa
A specially crafted project file may cause the program to crash.
CVE-2016-9354b has been assigned to this vulnerability. A CVSS v3 base score of 5.5 has been assigned; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

UNQUOTED SEARCH PATH OR ELEMENTd
The application may suffer from an unquoted search path issue.
CVE-2016-9356e has been assigned to this vulnerability. A CVSS v3 base score of 8.8 has been assigned; the CVSS vector string is (AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H)




### 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

Moxa recommends replacing existing DACenter installations with the new software MX-AOPC UA suite
DACenter is nearing end-of-life by the end of 2016, and no further updates will be issued.
For existing DACenter installations, Moxa recommends contacting the Moxa Technical Support team or visiting the Moxa technical support web page at:
http://www.moxa.com/support