CNVD-2016-03823

Vulnerability from cnvd - Published: 2016-06-07
VLAI
Title
ntpd拒绝服务漏洞（CNVD-2016-03823）
Description
ntpd（Network Time Protocol daemon）是一个操作系统守护进程，它使用网络时间协议（NTP）与时间服务器的系统时间保持同步。 ntpd 4.2.8p7之前的版本中存在拒绝服务漏洞。攻击者可通过发送伪造的数据包利用该漏洞拒绝服服务客户端。
Severity
高
Patch Name
ntpd拒绝服务漏洞（CNVD-2016-03823）的补丁
Patch Description
ntpd（Network Time Protocol daemon）是一个操作系统守护进程，它使用网络时间协议（NTP）与时间服务器的系统时间保持同步。 ntpd 4.2.8p7之前的版本中存在拒绝服务漏洞。攻击者可通过发送伪造的数据包利用该漏洞拒绝服服务客户端。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

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接： http://support.ntp.org/bin/view/Main/NtpBug3042

Reference
http://support.ntp.org/bin/view/Main/NtpBug3042 http://www.kb.cert.org/vuls/id/321640
Impacted products
Name
Ntp NTPd <4.2.8p8
Show details on source website
To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-4956"
    }
  },
  "description": "ntpd\uff08Network Time Protocol daemon\uff09\u662f\u4e00\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u5b88\u62a4\u8fdb\u7a0b\uff0c\u5b83\u4f7f\u7528\u7f51\u7edc\u65f6\u95f4\u534f\u8bae\uff08NTP\uff09\u4e0e\u65f6\u95f4\u670d\u52a1\u5668\u7684\u7cfb\u7edf\u65f6\u95f4\u4fdd\u6301\u540c\u6b65\u3002\r\n\r\nntpd 4.2.8p7\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u4f2a\u9020\u7684\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u62d2\u7edd\u670d\u670d\u52a1\u5ba2\u6237\u7aef\u3002",
  "discovererName": "Nicolas Edet of Cisco, Miroslav Lichvar of Red Hat, and Jakub Prokes of Red Hat",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttp://support.ntp.org/bin/view/Main/NtpBug3042",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-03823",
  "openTime": "2016-06-07",
  "patchDescription": "ntpd\uff08Network Time Protocol daemon\uff09\u662f\u4e00\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u5b88\u62a4\u8fdb\u7a0b\uff0c\u5b83\u4f7f\u7528\u7f51\u7edc\u65f6\u95f4\u534f\u8bae\uff08NTP\uff09\u4e0e\u65f6\u95f4\u670d\u52a1\u5668\u7684\u7cfb\u7edf\u65f6\u95f4\u4fdd\u6301\u540c\u6b65\u3002\r\n\r\nntpd 4.2.8p7\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u4f2a\u9020\u7684\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u62d2\u7edd\u670d\u670d\u52a1\u5ba2\u6237\u7aef\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": "ntpd\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2016-03823\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Ntp NTPd \u003c4.2.8p8"
  },
  "referenceLink": "http://support.ntp.org/bin/view/Main/NtpBug3042\r\nhttp://www.kb.cert.org/vuls/id/321640",
  "serverity": "\u9ad8",
  "submitTime": "2016-06-03",
  "title": "ntpd\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2016-03823\uff09"
}



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