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Particulars Disclosed for OPC UA Vulnerabilities Exploited at ICS Hacking Competitors

By Eduard Kovacs on August 29, 2022

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Software program improvement and safety options supplier JFrog has disclosed the main points of a number of vulnerabilities affecting the OPC UA protocol, together with flaws exploited by its workers at a hacking competitors earlier this 12 months.

OPC UA (Open Platform Communications United Structure) is a machine-to-machine communication protocol that’s utilized by many industrial options suppliers to make sure interoperability between varied kinds of industrial management methods (ICS).

JFrog’s researchers found a number of vulnerabilities in OPC UA and disclosed a few of them on the Pwn2Own Miami 2022 competitors in April, the place members earned a complete of $400,000 for hacking ICS.

Within the OPC UA server class at Pwn2Own, the utmost prize was $40,000, for bypassing a trusted software test, and members might earn $20,000 for distant code execution flaws.

The JFrog researchers earned $5,000 for every of two denial-of-service (DoS) exploits concentrating on the OPC UA .NET Customary server, an open supply server utilized by a whole bunch of different repositories on GitHub, and the Unified Automation OPC UA C++ demo server.

The 2 vulnerabilities introduced at Pwn2Own can be utilized to crash the OPC UA server. DoS flaws can have a big impression within the case of ICS as they’ll result in the disruption of vital processes.

JFrog disclosed its findings in a weblog submit revealed final week.

As well as, JFrog researchers reported eight different vulnerabilities to Unified Automation. The problems had been discovered within the Unified Automation C++-based OPC UA Server SDK and so they had been mounted with the discharge of model 1.7.7 of the SDK.

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Two of those vulnerabilities can permit an attacker with elevated privileges to realize distant code execution on the server. These safety holes didn’t qualify for Pwn2Own resulting from time and stability constraints, however their particulars had been disclosed final week in a separate weblog submit by JFrog.

The distant code execution exploits usually are not steady, however the researchers consider they are often improved.

The technical particulars disclosed by JFrog may very well be helpful to different researchers who wish to analyze the safety of the OPC UA industrial stack.

Associated: Industrial Companies Knowledgeable About Severe Vulnerabilities in Matrikon OPC Product

Associated: Many Vulnerabilities Present in OPC UA Industrial Protocol

Associated: ICS Distributors Assessing Influence of New OPC UA Vulnerabilities

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