MEDIUM5.3
GHSA-gr4c-5rq6-cgh3
OPC UA applications can allow a remote attacker to determine a Server's private key
Quick fix
GHSA-gr4c-5rq6-cgh3 — OPCFoundation.NetStandard.Opc.Ua: upgrade to the fixed version with the command below.
dotnet add package OPCFoundation.NetStandard.Opc.Ua --version 1.3.352.12Details
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.
Are you affected?
Enter the version of the package you're using.
Affected packages
NuGet/OPCFoundation.NetStandard.Opc.Ua
Introduced in:
0Fixed in: 1.3.352.12Fix
dotnet add package OPCFoundation.NetStandard.Opc.Ua --version 1.3.352.12References
- https://nvd.nist.gov/vuln/detail/CVE-2018-7559[ADVISORY]
- https://github.com/OPCFoundation/UA-.NET-Legacy/commit/e2a781b38efb8686d2bd850c2f2372b5c670bc45[WEB]
- https://github.com/OPCFoundation/UA-.NETStandard/commit/ebcf026a54dd0c9052cff009d96d827ac923d150[WEB]
- https://github.com/OPCFoundation/UA-.NETStandard[PACKAGE]
- https://github.com/advisories/GHSA-gr4c-5rq6-cgh3[ADVISORY]
- https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2018-7559.pdf[WEB]
- http://www.securityfocus.com/bid/108688[WEB]