GHSA-gr4c-5rq6-cgh3

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    GHSA-gr4c-5rq6-cgh3

    Published: 16 Oct 2018Last Modified: 2 Dec 2024
    Aliases:
    CVE-2018-7559

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

    Details: 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.

    References: https://nvd.nist.gov/vuln/detail/CVE-2018-7559, https://github.com/OPCFoundation/UA-.NET-Legacy/commit/e2a781b38efb8686d2bd850c2f2372b5c670bc45, https://github.com/OPCFoundation/UA-.NETStandard/commit/ebcf026a54dd0c9052cff009d96d827ac923d150, https://github.com/OPCFoundation/UA-.NETStandard, https://github.com/advisories/GHSA-gr4c-5rq6-cgh3, https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2018-7559.pdf, http://www.securityfocus.com/bid/108688

    Affected packages

    Package

    Name: OPCFoundation.NetStandard.Opc.Ua

    Purl: pkg:nuget/OPCFoundation.NetStandard.Opc.Ua

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.3.352.12

    Affected versions

    0.4.0
    0.4.1
    0.4.3
    0.4.4
    0.4.5

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GHSA-gr4c-5rq6-cgh3 | CVE-DB