CVE-2018-7559: OPC UA applications can allow a remote attacker to determine a Server's private key

CVE-2018-7559 · Severity: low · CVSS 3 · Published 2018-10-16

OPC UA applications can allow a remote attacker to determine a Server's private key

Technologies: OPCFoundation.NetStandard.Opc.Ua (NuGet). Vendors: NuGet.

Quick answers

Is CVE-2018-7559 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2018-7559 being exploited in the wild.
How severe is CVE-2018-7559?
Low severity, with a CVSS score of 3, published 16 October 2018.
Which products and versions are affected?
OPCFoundation.NetStandard.Opc.Ua (NuGet) ECOSYSTEM:introduced=0,fixed=1.3.352.12.
Is there a fix for CVE-2018-7559?
Yes. OPCFoundation.NetStandard.Opc.Ua (NuGet): upgrade to 1.3.352.12 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2018-7559?
Check whether you run OPCFoundation.NetStandard.Opc.Ua (NuGet) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • OPCFoundation.NetStandard.Opc.Ua (NuGet): upgrade to 1.3.352.12 or later
    dotnet add package OPCFoundation.NetStandard.Opc.Ua --version 1.3.352.12

Affected products

  • OPCFoundation.NetStandard.Opc.Ua (NuGet) ECOSYSTEM:introduced=0,fixed=1.3.352.12

Identifiers

  • CVE-2018-7559
  • GHSA-gr4c-5rq6-cgh3

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