cnvd-2018-09542
Vulnerability from cnvd
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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{
  "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"
}


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