cnvd - cnvd-2018-04874

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

JSON

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{
  "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"
}

CVE-2018-7182 (GCVE-0-2018-7182)

Vulnerability from cvelistv5

Published

2018-03-06 20:00

Modified

2024-08-05 06:24

Severity ?

CWE

Summary

The ctl_getitem method in ntpd in ntp-4.2.8p6 before 4.2.8p11 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted mode 6 packet with a ntpd instance from 4.2.8p6 through 4.2.8p10.

References

▼	URL	Tags
	http://packetstormsecurity.com/files/146631/Slackware-Security-Advisory-ntp-Updates.html	x_refsource_MISC
	https://security.gentoo.org/glsa/201805-12	vendor-advisory, x_refsource_GENTOO
	https://security.FreeBSD.org/advisories/FreeBSD-SA-18:02.ntp.asc	vendor-advisory, x_refsource_FREEBSD
	https://security.netapp.com/advisory/ntap-20180626-0001/	x_refsource_CONFIRM
	http://www.securityfocus.com/archive/1/541824/100/0/threaded	mailing-list, x_refsource_BUGTRAQ
	http://support.ntp.org/bin/view/Main/NtpBug3412	x_refsource_CONFIRM
	https://usn.ubuntu.com/3707-1/	vendor-advisory, x_refsource_UBUNTU
	https://www.exploit-db.com/exploits/45846/	exploit, x_refsource_EXPLOIT-DB
	https://www.synology.com/support/security/Synology_SA_18_13	x_refsource_CONFIRM
	http://www.securityfocus.com/bid/103191	vdb-entry, x_refsource_BID
	https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us	x_refsource_CONFIRM

Impacted products

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

Show details on NVD website

JSON

To clipboard

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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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