cnvd - cnvd-2016-02670

cnvd-2016-02670

Vulnerability from cnvd

Title: ntpd拒绝服务漏洞

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4.x版本和4.3.92之前4.3版本中存在安全漏洞，该漏洞源于程序未能检查‘ctl_getitem()’函数的返回值。攻击者可借助较大的值利用该漏洞造成拒绝服务（异常终止）。

Severity: 中

Patch Name: ntpd拒绝服务漏洞的补丁

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4.x版本和4.3.92之前4.3版本中存在安全漏洞，该漏洞源于程序未能检查‘ctl_getitem()’函数的返回值。攻击者可借助较大的值利用该漏洞造成拒绝服务（异常终止）。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/NtpBug3008

Reference: http://support.ntp.org/bin/view/Main/SecurityNotice#April_2016_NTP_4_2_8p7_Security http://support.ntp.org/bin/view/Main/NtpBug3008 http://www.kb.cert.org/vuls/id/718152

Impacted products

Name
['Ntp NTPd 4.x<4.2.8p7', 'Ntp NTPd >4.3，<4.3.92']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-2519"
    }
  },
  "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\u524d4.x\u7248\u672c\u548c4.3.92\u4e4b\u524d4.3\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u68c0\u67e5\u2018ctl_getitem()\u2019\u51fd\u6570\u7684\u8fd4\u56de\u503c\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u8f83\u5927\u7684\u503c\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5f02\u5e38\u7ec8\u6b62\uff09\u3002",
  "discovererName": "Cisco TALOS",
  "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/NtpBug3008",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-02670",
  "openTime": "2016-05-03",
  "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\u524d4.x\u7248\u672c\u548c4.3.92\u4e4b\u524d4.3\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u68c0\u67e5\u2018ctl_getitem()\u2019\u51fd\u6570\u7684\u8fd4\u56de\u503c\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u8f83\u5927\u7684\u503c\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5f02\u5e38\u7ec8\u6b62\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": "ntpd\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Ntp NTPd 4.x\u003c4.2.8p7",
      "Ntp NTPd \u003e4.3\uff0c\u003c4.3.92"
    ]
  },
  "referenceLink": "http://support.ntp.org/bin/view/Main/SecurityNotice#April_2016_NTP_4_2_8p7_Security\r\nhttp://support.ntp.org/bin/view/Main/NtpBug3008\r\nhttp://www.kb.cert.org/vuls/id/718152",
  "serverity": "\u4e2d",
  "submitTime": "2016-04-28",
  "title": "ntpd\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2016-2519 (GCVE-0-2016-2519)

Vulnerability from cvelistv5

Published

2017-01-30 21:00

Modified

2024-08-05 23:32

Severity ?

CWE

Summary

ntpd in NTP before 4.2.8p7 and 4.3.x before 4.3.92 allows remote attackers to cause a denial of service (ntpd abort) by a large request data value, which triggers the ctl_getitem function to return a NULL value.

References

▼	URL	Tags
	http://support.ntp.org/bin/view/Main/NtpBug3008	x_refsource_CONFIRM
	https://www.kb.cert.org/vuls/id/718152	third-party-advisory, x_refsource_CERT-VN
	http://www.securitytracker.com/id/1035705	vdb-entry, x_refsource_SECTRACK
	http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html	x_refsource_CONFIRM
	https://security.netapp.com/advisory/ntap-20171004-0002/	x_refsource_CONFIRM
	https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc	vendor-advisory, x_refsource_FREEBSD
	http://www.securityfocus.com/bid/88204	vdb-entry, x_refsource_BID
	https://security.gentoo.org/glsa/201607-15	vendor-advisory, x_refsource_GENTOO

Impacted products

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

Show details on NVD website

JSON

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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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