Operating System:

[Win]

Published:

18 December 2014

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2014.2442
       Schneider Electric ProClima Command Injection Vulnerabilities
                             18 December 2014

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

Product:           Schneider Electric ProClima
Publisher:         US-CERT
Operating System:  Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2014-9188 CVE-2014-8514 CVE-2014-8513
                   CVE-2014-8512 CVE-2014-8511 

Original Bulletin: 
   https://ics-cert.us-cert.gov/advisories/ICSA-14-350-01

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Advisory (ICSA-14-350-01)

Schneider Electric ProClima Command Injection Vulnerabilities

Original release date: December 16, 2014

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

NCCIC/ICS-CERT received a report from HPs Zero Day Initiative (ZDI) concerning
command injection vulnerabilities in Schneider Electrics ProClima software 
package. These vulnerabilities were reported to ZDI by security researchers 
Ariele Caltabiano, Andrea Micalizzi, and Brian Gorenc. Schneider Electric has
produced an update version that mitigates these vulnerabilities.

These vulnerabilities could be exploited remotely.

AFFECTED PRODUCTS

The following ProClima versions are affected:

    ProClima Version 6.0.1 and previous.

IMPACT

Successfully exploiting these vulnerabilities could allow a remote attacker to
execute arbitrary code.

Impact to individual organizations depends on many factors that are unique to
each organization. ICS-CERT recommends that organizations evaluate the impact
of this vulnerability based on their operational environment, architecture, 
and product implementation.

BACKGROUND

Schneider Electrics corporate headquarters is located in Paris, France, and 
maintains offices in more than 100 countries worldwide.

The affected product, ProClima, is a configuration utility used to design 
control panel enclosures to accommodate the thermal load from the 
electrical/electronic devices inside and from the environment. According to 
Schneider Electric, ProClima is used across several sectors including Critical
Manufacturing, Commercial Facilities, and Energy. Schneider Electric estimates
that these products are used primarily in the United States and Europe with a
small percentage in Asia.

VULNERABILITY CHARACTERIZATION

VULNERABILITY OVERVIEW

COMMAND INJECTION [a]

MDraw30.ocx control can be initialized and called by malicious scripts 
potentially causing buffer overflows, which may allow an attacker to execute 
code remotely.

CVE-2014-8513 [b], CVE-2014-8514 [c], and CVE-2014-9188 [d] have been assigned
to these vulnerabilities. A CVSS v2 base score of 10.0 has been assigned; the
CVSS vector string is (AV:N/AC:L/Au:N/C:C/I:C/A:C). [e]

COMMAND INJECTION [f]

Atx45.ocx control can be initialized and called by malicious scripts 
potentially causing a buffer overflow, which may allow an attacker to execute
code remotely.

CVE-2014-8511 [g] and CVE-2014-8512 [h] have been assigned to these 
vulnerabilities. A CVSS v2 base score of 10.0 has been assigned; the CVSS 
vector string is (AV:N/AC:L/Au:N/C:C/I:C/A:C). [i]

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

Schneider Electric has released an updated version of the ProClima software, 
Version 6.1.7, which mitigates these vulnerabilities. Customers are encouraged
to download the new version and update their installations. It is important 
that customers first uninstall the current version. The new version can be 
downloaded from Schneider Electrics web site at the following location:

http://www.schneider-electric.com/ww/en/download/document/ProClima_software

For further information on these vulnerabilities, please see Schneider 
Electrics security notification (SEVD 2014-344-01) at Schneider Electrics 
cybersecurity web page:

http://www2.schneider-electric.com/sites/corporate/en/support/cybersecurity/cyber-security-vulnerabilities-sorted.page

ICS-CERT encourages asset owners to take additional defensive measures to 
protect against this and other cybersecurity risks.

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 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. 
ICS-CERT reminds organizations to perform proper impact analysis and risk 
assessment prior to deploying defensive measures.

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 
(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-77: Improper Neutralization of Special Elements used in a Command 
('Command Injection'), http://cwe.mitre.org/data/definitions/77.html, web site
last accessed December 16, 2014.

b. NVD, http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-8513, 
NIST uses this advisory to create the CVE web site report. This web site will
be active sometime after publication of this advisory.

c. NVD, http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-8514, 
NIST uses this advisory to create the CVE web site report. This web site will
be active sometime after publication of this advisory.

d. NVD, http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-9188, 
NIST uses this advisory to create the CVE web site report. This web site will
be active sometime after publication of this advisory.

e. CVSS Calculator, 
http://nvd.nist.gov/cvss.cfm?version=2&vector=AV:N/AC:L/Au:N/C:C/I:C/A:C, web
site last accessed December 16, 2014.

f. CWE-77: Improper Neutralization of Special Elements used in a Command 
('Command Injection'), http://cwe.mitre.org/data/definitions/77.html, web site
last accessed December 16, 2014.

g. NVD, http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-8511, 
NIST uses this advisory to create the CVE web site report. This web site will
be active sometime after publication of this advisory.

h. NVD, http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-8512, 
NIST uses this advisory to create the CVE web site report. This web site will
be active sometime after publication of this advisory.

i. CVSS Calculator, 
http://nvd.nist.gov/cvss.cfm?version=2&vector=AV:N/AC:L/Au:N/C:C/I:C/A:C, web
site last accessed December 16, 2014.

Contact Information

For any questions related to this report, please contact ICS-CERT at:

Email: ics-cert@hq.dhs.gov

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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