NVD Vulnerability Detail

CVE-2015-8140

Summary	The ntpq protocol in NTP before 4.2.8p7 allows remote attackers to conduct replay attacks by sniffing the network.
Publication Date	Jan. 31, 2017, 6:59 a.m.
Registration Date	Jan. 26, 2021, 2:57 p.m.
Last Update	Nov. 21, 2024, 11:38 a.m.

CVSS3.0 : MEDIUM
スコア	4.8
Vector	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
攻撃元区分(AV)	ネットワーク
攻撃条件の複雑さ(AC)	高
攻撃に必要な特権レベル(PR)	不要
利用者の関与(UI)	不要
影響の想定範囲(S)	変更なし
機密性への影響(C)	なし
完全性への影響(I)	低
可用性への影響(A)	低

CVSS2.0 : MEDIUM
Score	5.8
Vector	AV:N/AC:M/Au:N/C:N/I:P/A:P
攻撃元区分(AV)	ネットワーク
攻撃条件の複雑さ(AC)	中
攻撃前の認証要否(Au)	不要
機密性への影響(C)	なし
完全性への影響(I)	低
可用性への影響(A)	低
Get all privileges.	いいえ
Get user privileges	いいえ
Get other privileges	いいえ
User operation required	いいえ

Affected software configurations

Configuration1		or higher	or less	more than	less than
cpe:2.3:a:ntp:ntp::p6::::::*			4.2.8

Related information, measures and tools

No	URL	タグ
1	http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00059.html	Third Party Advisory
2	http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00059.html	Third Party Advisory
3	http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00060.html	Third Party Advisory
4	http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00060.html	Third Party Advisory
5	http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html	Third Party Advisory
6	http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html	Third Party Advisory
7	http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00038.html	Third Party Advisory
8	http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00038.html	Third Party Advisory
9	http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html	Third Party Advisory
10	http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html	Third Party Advisory
11	http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html	Third Party Advisory
12	http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html	Third Party Advisory
13	http://support.ntp.org/bin/view/Main/NtpBug2947	Vendor Advisory
14	http://support.ntp.org/bin/view/Main/NtpBug2947	Vendor Advisory
15	http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160127-ntpd	Third Party Advisory
16	http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160127-ntpd	Third Party Advisory
17	http://www.securitytracker.com/id/1034782	Third Party Advisory VDB Entry
18	http://www.securitytracker.com/id/1034782	Third Party Advisory VDB Entry
19	https://bto.bluecoat.com/security-advisory/sa113	Third Party Advisory
20	https://bto.bluecoat.com/security-advisory/sa113	Third Party Advisory
21	https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.asc
22	https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.asc
23	https://security.gentoo.org/glsa/201607-15	Third Party Advisory
24	https://security.gentoo.org/glsa/201607-15	Third Party Advisory
25	https://security.netapp.com/advisory/ntap-20200204-0003/
26	https://security.netapp.com/advisory/ntap-20200204-0003/
27	https://www.kb.cert.org/vuls/id/718152	Third Party Advisory US Government Resource
28	https://www.kb.cert.org/vuls/id/718152	Third Party Advisory US Government Resource

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-284	不適切なアクセス制御	https://cwe.mitre.org/data/definitions/284.html

JVN Vulnerability Information

NTP の ntpq プロトコルにおける反射攻撃を実行される脆弱性

Title	NTP の ntpq プロトコルにおける反射攻撃を実行される脆弱性
Summary	NTP の ntpq プロトコルには、反射攻撃 (リプレイアタック) を実行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、ネットワークを傍受されることで、反射攻撃 (リプレイアタック) を実行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	Oct. 16, 2015, midnight
Registration Date	Feb. 14, 2017, 7:49 p.m.
Last Update	Feb. 14, 2017, 7:49 p.m.

Affected System

NTP Project

NTP 4.2.8p7 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-2015-8140	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8140
National Vulnerability Database (NVD)
2	CVE-2015-8140	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-8140

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-284	https://cwe.mitre.org/data/definitions/284.html
2	CWE-294	https://cwe.mitre.org/data/definitions/294.html

ベンダー情報

No	Name	URL
Cisco Security Advisory
1	cisco-sa-20160127-ntpd	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160127-ntpd
ntp.org
2	NTP Bug 2947	http://support.ntp.org/bin/view/Main/NtpBug2947
Security Advisories
3	SA113	https://bto.bluecoat.com/security-advisory/sa113
Security Notice
4	January 2016 NTP-4.2.8p6 Security Vulnerability Announcement (Medium)	http://support.ntp.org/bin/view/Main/SecurityNotice#January_2016_NTP_4_2_8p6_Securit

その他

No	Name	URL
JVN
1	JVNVU#91176422	https://jvn.jp/vu/JVNVU91176422/
US-CERT Vulnerability Note
2	VU#718152	https://www.kb.cert.org/vuls/id/718152

Change Log

No	Changed Details	Date of change
0	[2017年02月14日] 掲載	Feb. 17, 2018, 10:37 a.m.