cnvd - cnvd-2016-11426

cnvd-2016-11426

Vulnerability from cnvd

Title: ntpd拒绝服务漏洞（CNVD-2016-11426）

Description:

Network Time Protocol（NTP）是用于使计算机时间同步化的一种协议，可使计算机对其服务器或时钟源（如石英钟，GPS等等)做同步化。把计算机的时钟同步到世界协调时，以确保网络中的数据交互能够顺利进行。NTPD（Network Time Protocol daemon）是一个操作系统守护进程，使用网络时间协议（NTP）与时间服务器的系统时间保持同步，主要用于主机与主机之间的时间同步。

ntpd存在拒绝服务漏洞。如果ntpd运行于在不同网络使用多重接口的主机上，且操作系统对收到的数据包并不检查来源地址的情况下，攻击者可以伪造数据包的源地址，导致ntpd无法和正确数据源同步。

Severity: 低

Patch Name: ntpd拒绝服务漏洞（CNVD-2016-11426）的补丁

Patch Description:

ntpd存在拒绝服务漏洞。如果ntpd运行于在不同网络使用多重接口的主机上，且操作系统对收到的数据包并不检查来源地址的情况下，攻击者可以伪造数据包的源地址，导致ntpd无法和正确数据源同步。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:

官方已经发布了版本更新，建议用户升级到最新版本，下载链接如下： http://support.ntp.org/bin/view/Main/SoftwareDownloads

Reference: http://nwtime.org/ntp428p9_release/

Impacted products

Name
['Ntp NTPd >=ntp-4.3.0，<ntp-4.3.94', 'Ntp NTPd >=ntp-4.2.7p385，<ntp-4.2.8p9']

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JSON

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{
  "bids": {
    "bid": {
      "bidNumber": "94453"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-7429"
    }
  },
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  "discovererName": "Miroslav Lichvar of Red Hat",
  "formalWay": "\u5b98\u65b9\u5df2\u7ecf\u53d1\u5e03\u4e86\u7248\u672c\u66f4\u65b0\uff0c\u5efa\u8bae\u7528\u6237\u5347\u7ea7\u5230\u6700\u65b0\u7248\u672c\uff0c\u4e0b\u8f7d\u94fe\u63a5\u5982\u4e0b\uff1a\r\nhttp://support.ntp.org/bin/view/Main/SoftwareDownloads",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-11426",
  "openTime": "2016-11-23",
  "patchDescription": "Network Time Protocol\uff08NTP\uff09\u662f\u7528\u4e8e\u4f7f\u8ba1\u7b97\u673a\u65f6\u95f4\u540c\u6b65\u5316\u7684\u4e00\u79cd\u534f\u8bae\uff0c\u53ef\u4f7f\u8ba1\u7b97\u673a\u5bf9\u5176\u670d\u52a1\u5668\u6216\u65f6\u949f\u6e90\uff08\u5982\u77f3\u82f1\u949f\uff0cGPS\u7b49\u7b49)\u505a\u540c\u6b65\u5316\u3002\u628a\u8ba1\u7b97\u673a\u7684\u65f6\u949f\u540c\u6b65\u5230\u4e16\u754c\u534f\u8c03\u65f6\uff0c\u4ee5\u786e\u4fdd\u7f51\u7edc\u4e2d\u7684\u6570\u636e\u4ea4\u4e92\u80fd\u591f\u987a\u5229\u8fdb\u884c\u3002NTPD\uff08Network Time Protocol daemon\uff09\u662f\u4e00\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u5b88\u62a4\u8fdb\u7a0b\uff0c\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\uff0c\u4e3b\u8981\u7528\u4e8e\u4e3b\u673a\u4e0e\u4e3b\u673a\u4e4b\u95f4\u7684\u65f6\u95f4\u540c\u6b65\u3002\r\n\r\nntpd\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u5982\u679cntpd\u8fd0\u884c\u4e8e\u5728\u4e0d\u540c\u7f51\u7edc\u4f7f\u7528\u591a\u91cd\u63a5\u53e3\u7684\u4e3b\u673a\u4e0a\uff0c\u4e14\u64cd\u4f5c\u7cfb\u7edf\u5bf9\u6536\u5230\u7684\u6570\u636e\u5305\u5e76\u4e0d\u68c0\u67e5\u6765\u6e90\u5730\u5740\u7684\u60c5\u51b5\u4e0b\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u4f2a\u9020\u6570\u636e\u5305\u7684\u6e90\u5730\u5740\uff0c\u5bfc\u81f4ntpd\u65e0\u6cd5\u548c\u6b63\u786e\u6570\u636e\u6e90\u540c\u6b65\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-2016-11426\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
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      "Ntp NTPd \u003e=ntp-4.2.7p385\uff0c\u003cntp-4.2.8p9"
    ]
  },
  "referenceLink": "http://nwtime.org/ntp428p9_release/",
  "serverity": "\u4f4e",
  "submitTime": "2016-11-23",
  "title": "ntpd\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2016-11426\uff09"
}

CVE-2016-7429 (GCVE-0-2016-7429)

Vulnerability from cvelistv5

Published

2017-01-13 16:00

Modified

2024-08-06 01:57

Severity ?

CWE

Summary

NTP before 4.2.8p9 changes the peer structure to the interface it receives the response from a source, which allows remote attackers to cause a denial of service (prevent communication with a source) by sending a response for a source to an interface the source does not use.

References

▼	URL	Tags
	https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03706en_us	x_refsource_CONFIRM
	http://rhn.redhat.com/errata/RHSA-2017-0252.html	vendor-advisory, x_refsource_REDHAT
	http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities	x_refsource_CONFIRM
	http://nwtime.org/ntp428p9_release/	x_refsource_CONFIRM
	https://www.kb.cert.org/vuls/id/633847	third-party-advisory, x_refsource_CERT-VN
	http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html	x_refsource_CONFIRM
	http://www.securitytracker.com/id/1037354	vdb-entry, x_refsource_SECTRACK
	https://bto.bluecoat.com/security-advisory/sa139	x_refsource_CONFIRM
	http://www.securityfocus.com/bid/94453	vdb-entry, x_refsource_BID
	http://support.ntp.org/bin/view/Main/NtpBug3072	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

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  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T01:57:47.553Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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              "x_transferred"
            ],
            "url": "https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbux03706en_us"
          },
          {
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            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2017-0252.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
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            ],
            "url": "http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://nwtime.org/ntp428p9_release/"
          },
          {
            "name": "VU#633847",
            "tags": [
              "third-party-advisory",
              "x_refsource_CERT-VN",
              "x_transferred"
            ],
            "url": "https://www.kb.cert.org/vuls/id/633847"
          },
          {
            "tags": [
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            ],
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          },
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            ],
            "url": "http://support.ntp.org/bin/view/Main/NtpBug3072"
          }
        ],
        "title": "CVE Program Container"
      }
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    "cna": {
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          ],
          "url": "http://nwtime.org/ntp428p9_release/"
        },
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        },
        {
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          ],
          "url": "http://support.ntp.org/bin/view/Main/NtpBug3072"
        }
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  "cveMetadata": {
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    "datePublished": "2017-01-13T16:00:00",
    "dateReserved": "2016-09-09T00:00:00",
    "dateUpdated": "2024-08-06T01:57:47.553Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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