ghsa-gr4c-5rq6-cgh3
Vulnerability from github
Published
2018-10-16 19:58
Modified
2022-04-26 19:12
Severity ?
5.3 (Medium) - CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
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.

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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 1.3.352.11"
      },
      "package": {
        "ecosystem": "NuGet",
        "name": "OPCFoundation.NetStandard.Opc.Ua"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.3.352.12"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2018-7559"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": true,
    "github_reviewed_at": "2020-06-16T21:38:00Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "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\u0027s private key by sending carefully constructed bad UserIdentityTokens as part of an oracle attack.",
  "id": "GHSA-gr4c-5rq6-cgh3",
  "modified": "2022-04-26T19:12:42Z",
  "published": "2018-10-16T19:58:42Z",
  "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"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "OPC UA applications can allow a remote attacker to determine a Server\u0027s private key "
}


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