cnvd-2018-20260
Vulnerability from cnvd
Title
Cisco IOS Software Precision Time Protocol拒绝服务漏洞
Description
Cisco 2500 Series Connected Grid Switches等都是美国思科(Cisco)公司的不同型号的交换机产品。IOS Software是运行在其中的一套Cisco为其网络设备开发的操作系统。Precision Time Protocol(PTP)是其中的一个高精度时间同步协议子系统。 Cisco IOS Software Precision Time Protocol存在拒绝服务漏洞,该漏洞源于程序未能充分的处理PTP数据包。当设备被配置来处理PTP数据包时,远程攻击者可通过发送自定义的PTP数据包利用该漏洞造成拒绝服务。
Severity
Patch Name
Cisco IOS Software Precision Time Protocol拒绝服务漏洞的补丁
Patch Description
Cisco 2500 Series Connected Grid Switches等都是美国思科(Cisco)公司的不同型号的交换机产品。IOS Software是运行在其中的一套Cisco为其网络设备开发的操作系统。Precision Time Protocol(PTP)是其中的一个高精度时间同步协议子系统。 Cisco IOS Software Precision Time Protocol存在拒绝服务漏洞,该漏洞源于程序未能充分的处理PTP数据包。当设备被配置来处理PTP数据包时,远程攻击者可通过发送自定义的PTP数据包利用该漏洞造成拒绝服务。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

目前厂商已发布升级补丁以修复漏洞,补丁获取链接: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-ptp

Reference
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-ptp
Impacted products
Name
['Cisco Industrial Ethernet 2000 Series Switches', 'Cisco Industrial Ethernet 4010 Series Switches', 'Cisco 2500 Series Connected Grid Switches', 'Cisco Connected Grid Ethernet Switch Module Interface Card', 'Cisco Industrial Ethernet 2000U Series Switches', 'Cisco Industrial Ethernet 3000 Series Switches', 'Cisco Industrial Ethernet 3010 Series Switches', 'Cisco Industrial Ethernet 4000 Series Switches', 'Cisco Industrial Ethernet 5000 Series Switches']
Show details on source website


{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-0473"
    }
  },
  "description": "Cisco 2500 Series Connected Grid Switches\u7b49\u90fd\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e0d\u540c\u578b\u53f7\u7684\u4ea4\u6362\u673a\u4ea7\u54c1\u3002IOS Software\u662f\u8fd0\u884c\u5728\u5176\u4e2d\u7684\u4e00\u5957Cisco\u4e3a\u5176\u7f51\u7edc\u8bbe\u5907\u5f00\u53d1\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002Precision Time Protocol\uff08PTP\uff09\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u9ad8\u7cbe\u5ea6\u65f6\u95f4\u540c\u6b65\u534f\u8bae\u5b50\u7cfb\u7edf\u3002\r\n\r\nCisco IOS Software Precision Time Protocol\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u5145\u5206\u7684\u5904\u7406PTP\u6570\u636e\u5305\u3002\u5f53\u8bbe\u5907\u88ab\u914d\u7f6e\u6765\u5904\u7406PTP\u6570\u636e\u5305\u65f6\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u81ea\u5b9a\u4e49\u7684PTP\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Cisco",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-ptp",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-20260",
  "openTime": "2018-09-30",
  "patchDescription": "Cisco 2500 Series Connected Grid Switches\u7b49\u90fd\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e0d\u540c\u578b\u53f7\u7684\u4ea4\u6362\u673a\u4ea7\u54c1\u3002IOS Software\u662f\u8fd0\u884c\u5728\u5176\u4e2d\u7684\u4e00\u5957Cisco\u4e3a\u5176\u7f51\u7edc\u8bbe\u5907\u5f00\u53d1\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002Precision Time Protocol\uff08PTP\uff09\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u9ad8\u7cbe\u5ea6\u65f6\u95f4\u540c\u6b65\u534f\u8bae\u5b50\u7cfb\u7edf\u3002\r\n\r\nCisco IOS Software Precision Time Protocol\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u5145\u5206\u7684\u5904\u7406PTP\u6570\u636e\u5305\u3002\u5f53\u8bbe\u5907\u88ab\u914d\u7f6e\u6765\u5904\u7406PTP\u6570\u636e\u5305\u65f6\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u81ea\u5b9a\u4e49\u7684PTP\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\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": "Cisco IOS Software Precision Time Protocol\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Cisco Industrial Ethernet 2000 Series Switches",
      "Cisco Industrial Ethernet 4010 Series Switches",
      "Cisco 2500 Series Connected Grid Switches",
      "Cisco Connected Grid Ethernet Switch Module Interface Card",
      "Cisco Industrial Ethernet 2000U Series Switches",
      "Cisco Industrial Ethernet 3000 Series Switches",
      "Cisco Industrial Ethernet 3010 Series Switches",
      "Cisco Industrial Ethernet 4000 Series Switches",
      "Cisco Industrial Ethernet 5000 Series Switches"
    ]
  },
  "referenceLink": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-ptp",
  "serverity": "\u9ad8",
  "submitTime": "2018-09-30",
  "title": "Cisco IOS Software Precision Time Protocol\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}


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