Schneider Electric IGSS SCADA Software

CVSS v3 7.0

ATTENTION: Locally exploitable/high skill level to exploit.

Vendor: Schneider Electric

Equipment: IGSS SCADA Software

Vulnerability: Security Misconfiguration

AFFECTED PRODUCTS

Schneider Electric reports that the vulnerability affects the following IGSS SCADA Software products:

• IGSS SCADA Software V12 and all previous versions.

IMPACT

Successful exploitation of this vulnerability could cause the device the attacker is accessing to crash or execute arbitrary code.

MITIGATION

Schneider Electric has provided IGSS SCADA Software V13 to address this vulnerability. Users are recommended to update to V13 using the following link.

http://igss.schneider-electric.com/products/igss/download/licensed-versions.aspx

NCCIC recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. 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 remotely exploitable.

VULNERABILITY OVERVIEW

Memory protection settings such as address space layout randomization (ASLR) and data execution prevention (DEP) are not properly implemented.

CVE-2017-9967 has been assigned to this vulnerability. A CVSS v3 base score of 7.0 has been calculated; the CVSS vector string is (AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:L).

RESEARCHER

Ivan Sanchez of Nullcode reported this vulnerability to NCCIC.

BACKGROUND

Critical Infrastructure Sectors: Commercial Facilities, Critical Manufacturing, Energy

Countries/Areas Deployed: Worldwide

Company Headquarters Location: France

• Schneider Electric