QID 981078

QID 981078: Dotnet (nuget) Security Update for OPCFoundation.NetStandard.Opc.Ua (GHSA-gr4c-5rq6-cgh3)

An issue was discovered in OPC UA .NET Standard Stack and Sample Code before GitHub commit 2018-04-12, and OPC UA .NET Legacy Stack and Sample Code before GitHub commit 2018-03-13. A vulnerability in OPC UA applications can allow a remote attacker to determine a Server's private key by sending carefully constructed bad UserIdentityTokens as part of an oracle attack.

Successful exploitation of this vulnerability may affect the confidentiality, integrity, and availability of the targeted user.

  • CVSS V3 rated as Medium - 5.3 severity.
  • CVSS V2 rated as Medium - 3.5 severity.
    • Solution
    Customers are advised to refer to GHSA-gr4c-5rq6-cgh3 for updates pertaining to this vulnerability.
    Vendor References

    CVEs related to QID 981078

    CVE-2018-7559 |
    Software Advisories
    Advisory ID Software Component Link
    GHSA-gr4c-5rq6-cgh3 OPCFoundation.NetStandard.Opc.Ua URL Logo github.com/advisories/GHSA-gr4c-5rq6-cgh3
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