cnvd-2018-04874
Vulnerability from cnvd
Title
NTP ntpd拒绝服务漏洞（CNVD-2018-04874）
Description
NTP（Network Time Protocol，网络时间协议）是一种以数据包交换把两台电脑的时钟同步化的网络协议。ntpd是其中的一个操作系统守护进程。 NTP 4.2.8p6版本至4.2.8p10版本中的ntpd的ctl_getitem方法存在信息泄露漏洞。远程攻击者可借助带有ntpd实例的特制数据包利用该漏洞造成拒绝服务（越边界读取）。
Severity
中
Patch Name
NTP ntpd拒绝服务漏洞（CNVD-2018-04874）的补丁
Patch Description
NTP（Network Time Protocol，网络时间协议）是一种以数据包交换把两台电脑的时钟同步化的网络协议。ntpd是其中的一个操作系统守护进程。 NTP 4.2.8p6版本至4.2.8p10版本中的ntpd的ctl_getitem方法存在信息泄露漏洞。远程攻击者可借助带有ntpd实例的特制数据包利用该漏洞造成拒绝服务（越边界读取）。 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

厂商已发布漏洞修复程序，请及时关注更新： http://www.ntp.org/downloads.html

Reference
http://support.ntp.org/bin/view/Main/NtpBug3412
Impacted products
Name
Ntp Ntp >= 4.2.8p6，<=4.2.8p10
Show details on source website

To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "103191"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-7182"
    }
  },
  "description": "NTP\uff08Network Time Protocol\uff0c\u7f51\u7edc\u65f6\u95f4\u534f\u8bae\uff09\u662f\u4e00\u79cd\u4ee5\u6570\u636e\u5305\u4ea4\u6362\u628a\u4e24\u53f0\u7535\u8111\u7684\u65f6\u949f\u540c\u6b65\u5316\u7684\u7f51\u7edc\u534f\u8bae\u3002ntpd\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u5b88\u62a4\u8fdb\u7a0b\u3002\r\n\r\nNTP 4.2.8p6\u7248\u672c\u81f34.2.8p10\u7248\u672c\u4e2d\u7684ntpd\u7684ctl_getitem\u65b9\u6cd5\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u5e26\u6709ntpd\u5b9e\u4f8b\u7684\u7279\u5236\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u8d8a\u8fb9\u754c\u8bfb\u53d6\uff09\u3002",
  "discovererName": "Yihan Lian of Qihoo 360",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttp://www.ntp.org/downloads.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-04874",
  "openTime": "2018-03-12",
  "patchDescription": "NTP\uff08Network Time Protocol\uff0c\u7f51\u7edc\u65f6\u95f4\u534f\u8bae\uff09\u662f\u4e00\u79cd\u4ee5\u6570\u636e\u5305\u4ea4\u6362\u628a\u4e24\u53f0\u7535\u8111\u7684\u65f6\u949f\u540c\u6b65\u5316\u7684\u7f51\u7edc\u534f\u8bae\u3002ntpd\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u5b88\u62a4\u8fdb\u7a0b\u3002\r\n\r\nNTP 4.2.8p6\u7248\u672c\u81f34.2.8p10\u7248\u672c\u4e2d\u7684ntpd\u7684ctl_getitem\u65b9\u6cd5\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u5e26\u6709ntpd\u5b9e\u4f8b\u7684\u7279\u5236\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u8d8a\u8fb9\u754c\u8bfb\u53d6\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": "NTP ntpd\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-04874\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Ntp Ntp \u003e= 4.2.8p6\uff0c\u003c=4.2.8p10"
  },
  "referenceLink": "http://support.ntp.org/bin/view/Main/NtpBug3412",
  "serverity": "\u4e2d",
  "submitTime": "2018-03-07",
  "title": "NTP ntpd\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-04874\uff09"
}


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