github - ghsa-vpf7-r2fv-75m9

ghsa-vpf7-r2fv-75m9

Vulnerability from github

Published

2023-05-05 02:19

Modified

2024-05-08 13:46

Severity ?

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

Uncontrolled Resource Consumption in OPC UA .NET Standard Reference Server

Details

This security update resolves a vulnerability in the OPC UA .NET Standard Reference Server that allows remote attackers to send malicious requests that consume all memory available to the server.

https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2023-27321.pdf

Show details on source website

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "OPCFoundation.NetStandard.Opc.Ua.Server"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.4.371.86"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-27321"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-05-05T02:19:39Z",
    "nvd_published_at": "2024-05-07T23:15:15Z",
    "severity": "HIGH"
  },
  "details": "This security update resolves a vulnerability in the OPC UA .NET Standard Reference Server that allows\nremote attackers to send malicious requests that consume all memory available to the server.\n\nhttps://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2023-27321.pdf",
  "id": "GHSA-vpf7-r2fv-75m9",
  "modified": "2024-05-08T13:46:55Z",
  "published": "2023-05-05T02:19:39Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/OPCFoundation/UA-.NETStandard/security/advisories/GHSA-vpf7-r2fv-75m9"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-27321"
    },
    {
      "type": "WEB",
      "url": "https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2023-27321.pdf"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/OPCFoundation/UA-.NETStandard"
    },
    {
      "type": "WEB",
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-23-548"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Uncontrolled Resource Consumption in OPC UA .NET Standard Reference Server"
}

cve-2023-27321

Vulnerability from cvelistv5

Published

2024-05-07 22:55

Modified

2024-08-02 12:09

Severity ?

7.5 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

OPC Foundation UA .NET Standard ConditionRefresh Resource Exhaustion Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of OPC Foundation UA .NET Standard. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of OPC UA ConditionRefresh requests. By sending a large number of requests, an attacker can consume all available resources on the server. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20505.

References

▼	URL	Tags
	https://www.zerodayinitiative.com/advisories/ZDI-23-548/	x_research-advisory
	https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2023-27321.pdf	vendor-advisory

Impacted products

Vendor

Product

Version

▼

OPC Foundation

UA .NET Standard

Version: 1.4.371.60

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:opcfoundation:unified_architecture_.net-standard:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "unified_architecture_.net-standard",
            "vendor": "opcfoundation",
            "versions": [
              {
                "status": "affected",
                "version": "1.4.371.60"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-27321",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-05-08T15:27:13.124910Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-04T17:24:44.157Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T12:09:43.438Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "ZDI-23-548",
            "tags": [
              "x_research-advisory",
              "x_transferred"
            ],
            "url": "https://www.zerodayinitiative.com/advisories/ZDI-23-548/"
          },
          {
            "name": "vendor-provided URL",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2023-27321.pdf"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "UA .NET Standard",
          "vendor": "OPC Foundation",
          "versions": [
            {
              "status": "affected",
              "version": "1.4.371.60"
            }
          ]
        }
      ],
      "dateAssigned": "2023-02-28T12:05:53.841-06:00",
      "datePublic": "2023-05-04T17:17:13.102-05:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "OPC Foundation UA .NET Standard ConditionRefresh Resource Exhaustion Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of OPC Foundation UA .NET Standard. Authentication is not required to exploit this vulnerability.\n\nThe specific flaw exists within the handling of OPC UA ConditionRefresh requests. By sending a large number of requests, an attacker can consume all available resources on the server. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20505."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-400",
              "description": "CWE-400: Uncontrolled Resource Consumption (\u0027Resource Exhaustion\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-05-07T22:55:01.898Z",
        "orgId": "99f1926a-a320-47d8-bbb5-42feb611262e",
        "shortName": "zdi"
      },
      "references": [
        {
          "name": "ZDI-23-548",
          "tags": [
            "x_research-advisory"
          ],
          "url": "https://www.zerodayinitiative.com/advisories/ZDI-23-548/"
        },
        {
          "name": "vendor-provided URL",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2023-27321.pdf"
        }
      ],
      "source": {
        "lang": "en",
        "value": "Claroty Research - Team82 - Uri Katz, Noam Moshe, Vera Mens, Sharon Brizinov"
      },
      "title": "OPC Foundation UA .NET Standard ConditionRefresh Resource Exhaustion Denial-of-Service Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e",
    "assignerShortName": "zdi",
    "cveId": "CVE-2023-27321",
    "datePublished": "2024-05-07T22:55:01.898Z",
    "dateReserved": "2023-02-28T17:58:45.477Z",
    "dateUpdated": "2024-08-02T12:09:43.438Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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