IoT
6/21/2018
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Four New Vulnerabilities in Phoenix Contact Industrial Switches

A series of newly disclosed vulnerabilities could allow an attacker to gain control of industrial switches.

Phoenix Contact has disclosed four vulnerabilities in switches in the FL SWITCH industrial line. The affected devices are typically used in automated processes at digital substations, oil and gas, maritime, and other industrial applications.

The vulnerabilities were discovered by Positive Technologies researchers Vyacheslav Moskvin, Semyon Sokolov, Evgeny Druzhinin, Ilya Karpov, and Georgy Zaytsev.

Two of the vulnerabilities, CVE-2018-10730 and CVE-2018-10731, could allow an attacker to run arbitrary code on a switch.

CVE-2018-10728 involves a buffer overflow that could be exploited to perform a DoS attack, disable web and telnet services, or run arbitrary code, while CVE-2018-10729 would allow an unauthorized user to read the contents of the switch config file.

The vulnerabilities affect FL SWITCH models 3xxx, 4xxx, and 48xxx running firmware versions 1.0–1.33. The vendor strongly recommends updating to firmware version 1.34 as remediation for the vulnerabilities.

For more, read here.

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Curtis Franklin Jr. is Senior Editor at Dark Reading. In this role he focuses on product and technology coverage for the publication. In addition he works on audio and video programming for Dark Reading and contributes to activities at Interop ITX, Black Hat, INsecurity, and ... View Full Bio

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CameronRobertson
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CameronRobertson,
User Rank: Apprentice
7/16/2018 | 1:53:24 AM
hi
It's great to see these defects picked up so quickly so that they can be rectified. Companies should most certainly look at trying to ensure that all of their systems are running at their most efficient and also that the operations are checked regularly for such issues. I can't imagine what might happen if these industrial switches were allowed to continue with these vulnerabilities. At least now that they've been detected, they can be fixed! 
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