cnvd-2018-20221
Vulnerability from cnvd
Title
Cisco IOS XE Software拒绝服务漏洞（CNVD-2018-20221）
Description
Cisco IOS XE Software是美国思科（Cisco）公司的一套为其网络设备开发的操作系统。Cisco Discovery Protocol（CDP）是其中的一个设备发现模块。 Cisco IOS XE Software 16.6.1版本和16.6.2版本中的CDP模块存在内存泄露漏洞。物理位置邻近的攻击者可利用该漏洞造成拒绝服务（崩溃）。
Severity
中
Patch Name
Cisco IOS XE Software拒绝服务漏洞（CNVD-2018-20221）的补丁
Patch Description
Cisco IOS XE Software是美国思科（Cisco）公司的一套为其网络设备开发的操作系统。Cisco Discovery Protocol（CDP）是其中的一个设备发现模块。 Cisco IOS XE Software 16.6.1版本和16.6.2版本中的CDP模块存在内存泄露漏洞。物理位置邻近的攻击者可利用该漏洞造成拒绝服务（崩溃）。 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

厂商已发布了漏洞修复程序，请及时关注更新： https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-cdp-memleak

Reference
https://www.securityfocus.com/bid/105398
Impacted products
Name
['Cisco IOS XE Software 16.6.2', 'Cisco IOS XE Software 16.6.1']
Show details on source website

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{
  "bids": {
    "bid": {
      "bidNumber": "105398"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-0471",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-0471"
    }
  },
  "description": "Cisco IOS XE Software\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u5957\u4e3a\u5176\u7f51\u7edc\u8bbe\u5907\u5f00\u53d1\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002Cisco Discovery Protocol\uff08CDP\uff09\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u8bbe\u5907\u53d1\u73b0\u6a21\u5757\u3002\r\n\r\nCisco IOS XE Software 16.6.1\u7248\u672c\u548c16.6.2\u7248\u672c\u4e2d\u7684CDP\u6a21\u5757\u5b58\u5728\u5185\u5b58\u6cc4\u9732\u6f0f\u6d1e\u3002\u7269\u7406\u4f4d\u7f6e\u90bb\u8fd1\u7684\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5d29\u6e83\uff09\u3002",
  "discovererName": "Cisco",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-cdp-memleak",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-20221",
  "openTime": "2018-09-30",
  "patchDescription": "Cisco IOS XE Software\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u5957\u4e3a\u5176\u7f51\u7edc\u8bbe\u5907\u5f00\u53d1\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002Cisco Discovery Protocol\uff08CDP\uff09\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u8bbe\u5907\u53d1\u73b0\u6a21\u5757\u3002\r\n\r\nCisco IOS XE Software 16.6.1\u7248\u672c\u548c16.6.2\u7248\u672c\u4e2d\u7684CDP\u6a21\u5757\u5b58\u5728\u5185\u5b58\u6cc4\u9732\u6f0f\u6d1e\u3002\u7269\u7406\u4f4d\u7f6e\u90bb\u8fd1\u7684\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5d29\u6e83\uff09\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 XE Software\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-20221\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Cisco IOS XE Software 16.6.2",
      "Cisco IOS XE Software 16.6.1"
    ]
  },
  "referenceLink": "https://www.securityfocus.com/bid/105398",
  "serverity": "\u4e2d",
  "submitTime": "2018-09-29",
  "title": "Cisco IOS XE Software\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-20221\uff09"
}


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