Vulnerability-Lookup

CNVD-2018-09542

Vulnerability from cnvd - Published: 2018-05-16

Title

Siemens SIMATIC S7-400拒绝服漏洞

Description

Siemens SIMATIC S7-400 CPU系列中的产品已被设计用于工业环境中的过程控制。 Siemens SIMATIC S7-400存在拒绝服漏洞。由于受影响的CPU未能正确地验证S7通信分组，攻击者可以利用漏洞导致CPU的核心功能拒绝服务条件，危及系统的可用性。

Severity

高

Patch Name

Siemens SIMATIC S7-400拒绝服漏洞的补丁

Patch Description

Siemens SIMATIC S7-400 CPU系列中的产品已被设计用于工业环境中的过程控制。 Siemens SIMATIC S7-400存在拒绝服漏洞。由于受影响的CPU未能正确地验证S7通信分组，攻击者可以利用漏洞导致CPU的核心功能拒绝服务条件，危及系统的可用性。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

用户可参考如下供应商提供的安全公告获得补丁信息： https://cert-portal.siemens.com/productcert/pdf/ssa-914382.pdf

Reference

https://cert-portal.siemens.com/productcert/pdf/ssa-914382.pdf

Impacted products

Name
['Siemens SIMATIC S7-400 (incl. F) CPU hardware <=4.0', 'Siemens SIMATIC S7-400 (incl. F) CPU hardware <=5.0', 'Siemens SIMATIC S7-400H CPU hardware <=4.5']

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JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-4850"
    }
  },
  "description": "Siemens SIMATIC S7-400 CPU\u7cfb\u5217\u4e2d\u7684\u4ea7\u54c1\u5df2\u88ab\u8bbe\u8ba1\u7528\u4e8e\u5de5\u4e1a\u73af\u5883\u4e2d\u7684\u8fc7\u7a0b\u63a7\u5236\u3002\r\n\r\nSiemens SIMATIC S7-400\u5b58\u5728\u62d2\u7edd\u670d\u6f0f\u6d1e\u3002\u7531\u4e8e\u53d7\u5f71\u54cd\u7684CPU\u672a\u80fd\u6b63\u786e\u5730\u9a8c\u8bc1S7\u901a\u4fe1\u5206\u7ec4\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u6f0f\u6d1e\u5bfc\u81f4CPU\u7684\u6838\u5fc3\u529f\u80fd\u62d2\u7edd\u670d\u52a1\u6761\u4ef6\uff0c\u5371\u53ca\u7cfb\u7edf\u7684\u53ef\u7528\u6027\u3002",
  "discovererName": "Siemens",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u4f9b\u5e94\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u516c\u544a\u83b7\u5f97\u8865\u4e01\u4fe1\u606f\uff1a\r\nhttps://cert-portal.siemens.com/productcert/pdf/ssa-914382.pdf",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-09542",
  "openTime": "2018-05-16",
  "patchDescription": "Siemens SIMATIC S7-400 CPU\u7cfb\u5217\u4e2d\u7684\u4ea7\u54c1\u5df2\u88ab\u8bbe\u8ba1\u7528\u4e8e\u5de5\u4e1a\u73af\u5883\u4e2d\u7684\u8fc7\u7a0b\u63a7\u5236\u3002\r\n\r\nSiemens SIMATIC S7-400\u5b58\u5728\u62d2\u7edd\u670d\u6f0f\u6d1e\u3002\u7531\u4e8e\u53d7\u5f71\u54cd\u7684CPU\u672a\u80fd\u6b63\u786e\u5730\u9a8c\u8bc1S7\u901a\u4fe1\u5206\u7ec4\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u6f0f\u6d1e\u5bfc\u81f4CPU\u7684\u6838\u5fc3\u529f\u80fd\u62d2\u7edd\u670d\u52a1\u6761\u4ef6\uff0c\u5371\u53ca\u7cfb\u7edf\u7684\u53ef\u7528\u6027\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Siemens SIMATIC S7-400\u62d2\u7edd\u670d\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Siemens SIMATIC S7-400 (incl. F) CPU hardware \u003c=4.0",
      "Siemens SIMATIC S7-400 (incl. F) CPU hardware \u003c=5.0",
      "Siemens SIMATIC S7-400H CPU hardware \u003c=4.5"
    ]
  },
  "referenceLink": "https://cert-portal.siemens.com/productcert/pdf/ssa-914382.pdf",
  "serverity": "\u9ad8",
  "submitTime": "2018-05-16",
  "title": "Siemens SIMATIC S7-400\u62d2\u7edd\u670d\u6f0f\u6d1e"
}

CVE-2018-4850 (GCVE-0-2018-4850)

Vulnerability from cvelistv5 – Published: 2018-05-16 17:00 – Updated: 2024-09-16 22:46

Summary

A vulnerability has been identified in SIMATIC S7-400 (incl. F) CPU hardware version 4.0 and below (All versions), SIMATIC S7-400 (incl. F) CPU hardware version 5.0 (All firmware versions < V5.2), SIMATIC S7-400H CPU hardware version 4.5 and below (All versions). The affected CPUs improperly validate S7 communication packets which could cause a Denial-of-Service condition of the CPU. The CPU will remain in DEFECT mode until manual restart.

Severity

No CVSS data available.

CWE

CWE-20 - Improper Input Validation

Assigner

siemens icscert root

References

3 references

URL	Tags
https://cert-portal.siemens.com/productcert/pdf/s…	x_refsource_CONFIRM
http://www.securityfocus.com/bid/104217	vdb-entryx_refsource_BID
https://www.siemens.com/global/en/home/products/s…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
Siemens AG	SIMATIC S7-400 (incl. F) CPU hardware version 4.0 and below, SIMATIC S7-400 (incl. F) CPU hardware version 5.0, SIMATIC S7-400H CPU hardware version 4.5 and below	Affected: SIMATIC S7-400 (incl. F) CPU hardware version 4.0 and below : All versions Affected: SIMATIC S7-400 (incl. F) CPU hardware version 5.0 : All firmware versions < V5.2 Affected: SIMATIC S7-400H CPU hardware version 4.5 and below : All versions

Date Public

2018-05-15 00:00

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T05:18:26.561Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-914382.pdf"
          },
          {
            "name": "104217",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/104217"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.siemens.com/global/en/home/products/services/cert.html#SecurityPublications"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "SIMATIC S7-400 (incl. F) CPU hardware version 4.0 and below, SIMATIC S7-400 (incl. F) CPU hardware version 5.0, SIMATIC S7-400H CPU hardware version 4.5 and below",
          "vendor": "Siemens AG",
          "versions": [
            {
              "status": "affected",
              "version": "SIMATIC S7-400 (incl. F) CPU hardware version 4.0 and below : All versions"
            },
            {
              "status": "affected",
              "version": "SIMATIC S7-400 (incl. F) CPU hardware version 5.0 : All firmware versions \u003c V5.2"
            },
            {
              "status": "affected",
              "version": "SIMATIC S7-400H CPU hardware version 4.5 and below : All versions"
            }
          ]
        }
      ],
      "datePublic": "2018-05-15T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability has been identified in SIMATIC S7-400 (incl. F) CPU hardware version 4.0 and below (All versions), SIMATIC S7-400 (incl. F) CPU hardware version 5.0 (All firmware versions \u003c V5.2), SIMATIC S7-400H CPU hardware version 4.5 and below (All versions). The affected CPUs improperly validate S7 communication packets which could cause a Denial-of-Service condition of the CPU. The CPU will remain in DEFECT mode until manual restart."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-20",
              "description": "CWE-20: Improper Input Validation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-05-22T09:57:01.000Z",
        "orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
        "shortName": "siemens"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-914382.pdf"
        },
        {
          "name": "104217",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/104217"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.siemens.com/global/en/home/products/services/cert.html#SecurityPublications"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "productcert@siemens.com",
          "DATE_PUBLIC": "2018-05-15T00:00:00",
          "ID": "CVE-2018-4850",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "SIMATIC S7-400 (incl. F) CPU hardware version 4.0 and below, SIMATIC S7-400 (incl. F) CPU hardware version 5.0, SIMATIC S7-400H CPU hardware version 4.5 and below",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "SIMATIC S7-400 (incl. F) CPU hardware version 4.0 and below : All versions"
                          },
                          {
                            "version_value": "SIMATIC S7-400 (incl. F) CPU hardware version 5.0 : All firmware versions \u003c V5.2"
                          },
                          {
                            "version_value": "SIMATIC S7-400H CPU hardware version 4.5 and below : All versions"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Siemens AG"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A vulnerability has been identified in SIMATIC S7-400 (incl. F) CPU hardware version 4.0 and below (All versions), SIMATIC S7-400 (incl. F) CPU hardware version 5.0 (All firmware versions \u003c V5.2), SIMATIC S7-400H CPU hardware version 4.5 and below (All versions). The affected CPUs improperly validate S7 communication packets which could cause a Denial-of-Service condition of the CPU. The CPU will remain in DEFECT mode until manual restart."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-20: Improper Input Validation"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-914382.pdf",
              "refsource": "CONFIRM",
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-914382.pdf"
            },
            {
              "name": "104217",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/104217"
            },
            {
              "name": "https://www.siemens.com/global/en/home/products/services/cert.html#SecurityPublications",
              "refsource": "CONFIRM",
              "url": "https://www.siemens.com/global/en/home/products/services/cert.html#SecurityPublications"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
    "assignerShortName": "siemens",
    "cveId": "CVE-2018-4850",
    "datePublished": "2018-05-16T17:00:00.000Z",
    "dateReserved": "2018-01-02T00:00:00.000Z",
    "dateUpdated": "2024-09-16T22:46:02.128Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Action not permitted

CNVD-2018-09542

CVE-2018-4850 (GCVE-0-2018-4850)

Tags

Sightings

Nomenclature

Related by attack behaviour