NVD Vulnerability Detail

CVE-2016-7429

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.
Publication Date	Jan. 14, 2017, 1:59 a.m.
Registration Date	Jan. 26, 2021, 2:17 p.m.
Last Update	Nov. 21, 2024, 11:57 a.m.

Affected software configurations

Configuration1		or higher	or less	more than	less than
cpe:2.3:a:ntp:ntp::p8::::::*			4.2.8

Related information, measures and tools

No	URL	タグ
1	http://nwtime.org/ntp428p9_release/	Release Notes Vendor Advisory
2	http://nwtime.org/ntp428p9_release/	Release Notes Vendor Advisory
3	http://rhn.redhat.com/errata/RHSA-2017-0252.html
4	http://rhn.redhat.com/errata/RHSA-2017-0252.html
5	http://support.ntp.org/bin/view/Main/NtpBug3072	Issue Tracking Mitigation Vendor Advisory
6	http://support.ntp.org/bin/view/Main/NtpBug3072	Issue Tracking Mitigation Vendor Advisory
7	http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities	Vendor Advisory
8	http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities	Vendor Advisory
9	http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
10	http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
11	http://www.securityfocus.com/bid/94453
12	http://www.securityfocus.com/bid/94453
13	http://www.securitytracker.com/id/1037354
14	http://www.securitytracker.com/id/1037354
15	https://bto.bluecoat.com/security-advisory/sa139
16	https://bto.bluecoat.com/security-advisory/sa139
17	https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03706en_us
18	https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03706en_us
19	https://www.kb.cert.org/vuls/id/633847	Third Party Advisory US Government Resource
20	https://www.kb.cert.org/vuls/id/633847	Third Party Advisory US Government Resource

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-18	ソースコード	https://cwe.mitre.org/data/definitions/18.html

JVN Vulnerability Information

NTP におけるサービス運用妨害 (DoS) の脆弱性

Title	NTP におけるサービス運用妨害 (DoS) の脆弱性
Summary	NTP は、ソースからのレスポンスを受信したインターフェースにピア構造を変更するため、サービス運用妨害 (ソースを伴う通信の制限) 状態にされる脆弱性が存在します。
Possible impacts	リモートの攻撃者により、ソースが使用しないインターフェースに対してソースのレスポンスを送信されることで、サービス運用妨害 (ソースを伴う通信の制限) 状態にされる可能性があります。
Solution	ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。
Publication Date	Nov. 21, 2016, midnight
Registration Date	Jan. 26, 2017, 11:44 a.m.
Last Update	Jan. 26, 2017, 11:44 a.m.

Affected System

NTP Project

NTP 4.2.8p9 未満

CVE (情報セキュリティ共通脆弱性識別子)

No	Name	URL
Common Vulnerabilities and Exposures (CVE)
1	CVE-2016-7429	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7429
National Vulnerability Database (NVD)
2	CVE-2016-7429	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-7429

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-18	https://cwe.mitre.org/data/definitions/18.html
2	CWE-605	https://cwe.mitre.org/data/definitions/605.html

ベンダー情報

No	Name	URL
Network Time Foundation
1	Network Time Foundation Publishes NTP 4.2.8p9	http://nwtime.org/ntp428p9_release/
ntp.org
2	NTP Bug 3072	http://support.ntp.org/bin/view/Main/NtpBug3072
3	Software Downloads -- Current versions of NTP	http://support.ntp.org/bin/view/Main/SoftwareDownloads
Security Notice
4	November 2016 ntp-4.2.8p9 NTP Security Vulnerability Announcement (HIGH for Windows, MEDUIM otherwise)	http://support.ntp.org/bin/view/Main/SecurityNotice#November_2016_ntp_4_2_8p9_NTP_Se

その他

Change Log

No	Changed Details	Date of change
0	[2017年01月26日] 掲載	Feb. 17, 2018, 10:37 a.m.