{"id":"GHSA-gr4c-5rq6-cgh3","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.","aliases":["CVE-2018-7559"],"modified":"2024-12-02T05:45:06.320416Z","published":"2018-10-16T19:58:42Z","database_specific":{"nvd_published_at":null,"cwe_ids":[],"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2020-06-16T21:38:00Z"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2018-7559"},{"type":"WEB","url":"https://github.com/OPCFoundation/UA-.NET-Legacy/commit/e2a781b38efb8686d2bd850c2f2372b5c670bc45"},{"type":"WEB","url":"https://github.com/OPCFoundation/UA-.NETStandard/commit/ebcf026a54dd0c9052cff009d96d827ac923d150"},{"type":"PACKAGE","url":"https://github.com/OPCFoundation/UA-.NETStandard"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-gr4c-5rq6-cgh3"},{"type":"WEB","url":"https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2018-7559.pdf"},{"type":"WEB","url":"http://www.securityfocus.com/bid/108688"}],"affected":[{"package":{"name":"OPCFoundation.NetStandard.Opc.Ua","ecosystem":"NuGet","purl":"pkg:nuget/OPCFoundation.NetStandard.Opc.Ua"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.352.12"}]}],"versions":["0.4.0","0.4.1","0.4.3","0.4.4","0.4.5","1.3.348","1.3.349","1.3.350","1.3.350.1","1.3.350.3","1.3.350.4","1.3.350.5","1.3.350.6","1.3.351.7","1.3.352.10","1.3.352.11","1.3.352.9"],"database_specific":{"last_known_affected_version_range":"\u003c= 1.3.352.11","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2018/10/GHSA-gr4c-5rq6-cgh3/GHSA-gr4c-5rq6-cgh3.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"}]}