PT-2018-20: Arbitrary Code Execution in Schneider Electric's BMXNOR0200

Vulnerable products

BMXNOR0200
Version: all versions

Link:
https://www.schneider-electric.com/

Severity level

Severity level: High
Impact: Arbitrary Code Execution
Access Vector: Remote

CVSS v3:
Base Score: 9.8
Vector: (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVE: CVE-2018-7761

Vulnerability description

The specialists of the Positive Research center have detected an Arbitrary Code Execution vulnerability in Schneider Electric's BMXNOR0200.

A vulnerability in the HTTP request parser allows remote attackers to execute arbitrary code.

How to fix

Use the vendor's advisory:
https://www.schneider-electric.com/en/download/document/SEVD-2018-081-02/

Advisory status

28.04.2017 - Vendor gets vulnerability details
22.03.2018 - Vendor releases fixed version and details
03.09.2018 - Public disclosure

Credits

The vulnerability was detected by Alexander Melkikh, Yuliya Simonova, Positive Research Center (Positive Technologies Company)

References

http://en.securitylab.ru/lab/PT-2018-20
https://www.ptsecurity.com/ww-en/about/news/294214/

Reports on the vulnerabilities previously discovered by Positive Research:

https://www.ptsecurity.com/
https://en.securitylab.ru/lab/

About Positive Technologies

Positive Technologies is a leading provider of vulnerability assessment, compliance management and threat analysis solutions to more than 1,000 global enterprise clients. Our solutions work seamlessly across your entire business: securing applications in development; assessing your network and application vulnerabilities; assuring compliance with regulatory requirements; and blocking real-time attacks. Our commitment to clients and research has earned Positive Technologies a reputation as one of the foremost authorities on SCADA, Banking, Telecom, Web Application and ERP security, and distinction as the #1 fastest growing Security and Vulnerability Management firm in 2012, as shown in an IDC report*. To learn more about Positive Technologies please visit www.ptsecurity.com

*Source: IDC Worldwide Security and Vulnerability Management 2013-2017 Forecast and 2012 Vendor Shares, doc #242465, August 2013. Based on year-over-year revenue growth in 2012 for vendors with revenues of $20M+

Threatscape