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Schneider Electric Patches 16 Flaws in Building Automation Software

Schneider Electric informed customers last week that the latest version of its U.motion Builder software patches a total of 16 vulnerabilities, including ones rated critical and high severity.

Schneider Electric informed customers last week that the latest version of its U.motion Builder software patches a total of 16 vulnerabilities, including ones rated critical and high severity.

U.motion is a building automation solution used around the world in the commercial facilities, critical manufacturing and energy sectors. U.motion Builder is a tool that allows users to create projects for their U.motion devices.

Researchers discovered that the Builder software is affected by 16 vulnerabilities, including path traversals and other bugs that can lead to information disclosure, and remote code execution flaws via SQL injection.

A majority of the security holes have been classified as medium severity, but some of them are more serious based on their CVSS score.

The most severe, with a CVSS score of 10, actually impacts the Samba software suite. The flaw allows remote code execution and it has been dubbed “SambaCry” by some members of the industry due to similarities to the WannaCry attack. The vulnerability, tracked as CVE-2017-7494, has been found to impact devices from several major vendors, including Cisco, Netgear, QNAP, Synology, Veritas, Sophos and F5 Networks.

Another serious vulnerability in U.motion Builder, identified as CVE-2018-7777, allows an authenticated attacker to remotely execute arbitrary code by sending specially crafted requests to the targeted server. One of the SQL injection flaws, CVE-2018-7765, has also been classified as high severity.

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Most of these weaknesses were reported to Schneider by researcher Andrea Micalizzi, also known as “rgod,” and one was disclosed to the company by Constantin-Cosmin Craciun.

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The issues affect U.motion Builder versions prior to 1.3.4, which Schneider released in early February. In addition to providing patches, the company has shared some recommendations for mitigating potential attacks.

This is not the first time Micalizzi has been credited for finding vulnerabilities in U.motion Builder. Last year, ICS-CERT reported that the researcher had found half a dozen types of flaws in this software. Those issues were disclosed in late June 2017 before patches were made available by Schneider as they were reported to the vendor via Trend Micro’s Zero Day Initiative (ZDI) more than one year earlier.

Related: Schneider Electric Patches Flaws in Pelco Video Management System

Related: Schneider Electric Patches Several Flaws in IGSS Products

Written By

Eduard Kovacs (@EduardKovacs) is a managing editor at SecurityWeek. He worked as a high school IT teacher for two years before starting a career in journalism as Softpedia’s security news reporter. Eduard holds a bachelor’s degree in industrial informatics and a master’s degree in computer techniques applied in electrical engineering.

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