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AUSCERT External Security Bulletin Redistribution
ESB-2018.0658
A vulnerability has been identified in Schneider Electric
SoMove Software and DTM Software Components
7 March 2018
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AusCERT Security Bulletin Summary
---------------------------------
Product: Schneider Electric SoMove Software and DTM Software Components
Publisher: ICS-CERT
Operating System: Windows
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2018-7239
Original Bulletin:
https://ics-cert.us-cert.gov/advisories/ICSA-18-065-02
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Advisory (ICSA-18-065-02)
Schneider Electric SoMove Software and DTM Software Components
Original release date: March 06, 2018
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 7.8
Vendor: Schneider Electric
Equipment: SoMove software and DTM software components
Vulnerability: Uncontrolled Search Path Element
AFFECTED PRODUCTS
Schneider Electric reports the vulnerability affects the following SoMove
software and DTM software components:
SoMove software, versions prior to 2.6.2
ATV320 DTM, versions prior to 1.1.6
ATV340 DTM, versions prior to 1.2.3
ATV6xx DTM, versions prior to 1.8.0
ATV9xx DTM, versions prior to 1.3.5
AltivarDtmLibrary, versions prior to 12.7.0
ATV32 DTM
ATV71 DTM
ATV61 DTM
ATV LIFT DTM
ATV31/312 DTM
ATV212 DTM
ATV12 DTM
IMPACT
Successful exploitation of this vulnerability may allow an attacker to execute
arbitrary code.
MITIGATION
Schneider Electric has provided the following updates for the affected
software packages:
SoMove SoftwareSoMove_V2.6.3
https://www.schneider-electric.com/en/download/document/SoMove_FDT/
ATV320 DTMSchneider_Electric_Altivar_Machine_ATV320_DTM_Library_V1.1.6
https://www.schneider-electric.com/en/download/document/ATV320_DTM_Library/
ATV340 DTMSchneider_Electric_Altivar_Machine_ATV340_DTM_Library_V1.2.3
https://www.schneider-electric.com/en/download/document/ATV340_DTM_LibraryEN/
ATV6XX DTMSchneider_Electric_Altivar_Process_ATV6xx_DTM_Library_V1.8.0
https://www.schneider-electric.com/en/download/document/ATV6xx_DTM_Library_EN/
ATV9XX DTMSchneider-Electric-Altivar-Process-ATV9xx-DTM-Library-V1.3.5
https://www.schneider-electric.com/en/download/document/ATV9xx_DTM_Library_EN/
ATV32 / ATV71 / ATV61 / ATV LIFT / ATV31_312 / ATV212 / ATV12
AltivarDtmLibraryV12.7.0
https://www.schneider-electric.com/en/download/document/Altivar_DTM_Library/
For more information on this vulnerability and its associated patches, please
see Schneider Electrics security notification SEVD-2018-060-01 on their
website:
https://www.schneider-electric.com/en/download/document/SEVD-2018-060-01/
For further information related to cybersecurity in Schneider Electric
products, please visit the companys cybersecurity web page:
http://www2.schneider-electric.com/sites/corporate/en/support/cybersecurity/cybersecurity.page
NCCIC recommends users take defensive measures to minimize the risk of
exploitation of this vulnerability by protecting themselves from social
engineering attacks. Specifically, users should:
Do not click web links or open unsolicited attachments in email messages.
Refer to Recognizing and Avoiding Email Scams for more information on avoiding
email scams.
Refer to Avoiding Social Engineering and Phishing Attacks for more information
on social engineering attacks.
NCCIC reminds organizations to perform proper impact analysis and risk
assessment prior to deploying defensive measures.
NCCIC 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 NCCIC Technical Information Paper,
ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation
Strategies, that is available for download from the ICS-CERT website.
Organizations observing any suspected malicious activity should follow their
established internal procedures and report their findings to NCCIC for
tracking and correlation against other incidents.
No known public exploits specifically target this vulnerability. This
vulnerability is not exploitable remotely. Low skill level is needed to
exploit.
VULNERABILITY OVERVIEW
UNCONTROLLED SEARCH PATH ELEMENT CWE-427
An attacker may execute malicious DLL files that have been placed within the
search path.
CVE-2018-7239 has been assigned to this vulnerability. A CVSS v3 base score of
7.8 has been calculated; the CVSS vector string is
(AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
RESEARCHER
ADLab of Venustech reported this vulnerability to NCCIC.
BACKGROUND
Critical Infrastructure Sectors: Critical manufacturing
Countries/Areas Deployed: Worldwide
Company Headquarters Location: France
Contact Information
For any questions related to this report, please contact the NCCIC at:
Email: NCCICCUSTOMERSERVICE@hq.dhs.gov
Toll Free: 1-888-282-0870
For industrial control systems cybersecurity information:
http://ics-cert.us-cert.gov
or incident reporting: https://ics-cert.us-cert.gov/Report-Incident?
The NCCIC 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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