CNVD-2016-03822

Vulnerability from cnvd - Published: 2016-06-07
VLAI Severity ?
Title
ntpd存在未明漏洞（CNVD-2016-03822）
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。 NTP.org ntpd 4.2.8p8之前的版本中存在未明漏洞。攻击者可通过发送重复的伪造数据包利用该漏洞造成关联的同级变量被清除。
Severity
高
Patch Name
ntpd存在未明漏洞（CNVD-2016-03822）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。 NTP.org ntpd 4.2.8p8之前的版本中存在未明漏洞。攻击者可通过发送重复的伪造数据包利用该漏洞造成关联的同级变量被清除。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/NtpBug3043

Reference
http://support.ntp.org/bin/view/Main/NtpBug3043 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-2016-4955"
    }
  },
  "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\nNTP.org ntpd 4.2.8p8\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u91cd\u590d\u7684\u4f2a\u9020\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u5173\u8054\u7684\u540c\u7ea7\u53d8\u91cf\u88ab\u6e05\u9664\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/NtpBug3043",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-03822",
  "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\nNTP.org ntpd 4.2.8p8\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u91cd\u590d\u7684\u4f2a\u9020\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u5173\u8054\u7684\u540c\u7ea7\u53d8\u91cf\u88ab\u6e05\u9664\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\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2016-03822\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Ntp NTPd \u003c4.2.8p8"
  },
  "referenceLink": "http://support.ntp.org/bin/view/Main/NtpBug3043\r\nhttp://www.kb.cert.org/vuls/id/321640",
  "serverity": "\u9ad8",
  "submitTime": "2016-06-03",
  "title": "ntpd\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2016-03822\uff09"
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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