{
"id": "GHSA-gr4c-5rq6-cgh3",
"aliases": [
"CVE-2018-7559"
],
"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.",
"summary": "OPC UA applications can allow a remote attacker to determine a Server's private key ",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.3.352.12"
}
]
}
],
"package": {
"name": "OPCFoundation.NetStandard.Opc.Ua",
"ecosystem": "NuGet"
},
"database_specific": {
"last_known_affected_version_range": "<= 1.3.352.11"
}
}
],
"modified": "2022-04-26T19:12:42Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"
}
],
"published": "2018-10-16T19:58:42Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-7559",
"type": "ADVISORY"
},
{
"url": "https://github.com/OPCFoundation/UA-.NET-Legacy/commit/e2a781b38efb8686d2bd850c2f2372b5c670bc45",
"type": "WEB"
},
{
"url": "https://github.com/OPCFoundation/UA-.NETStandard/commit/ebcf026a54dd0c9052cff009d96d827ac923d150",
"type": "WEB"
},
{
"url": "https://github.com/OPCFoundation/UA-.NETStandard",
"type": "PACKAGE"
},
{
"url": "https://github.com/advisories/GHSA-gr4c-5rq6-cgh3",
"type": "ADVISORY"
},
{
"url": "https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2018-7559.pdf",
"type": "WEB"
},
{
"url": "http://www.securityfocus.com/bid/108688",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [],
"severity": "MODERATE",
"github_reviewed": true,
"nvd_published_at": null,
"github_reviewed_at": "2020-06-16T21:38:00Z"
}
}