NVD Vulnerability Detail

CVE-2015-5146

Summary	ntpd in ntp before 4.2.8p3 with remote configuration enabled allows remote authenticated users with knowledge of the configuration password and access to a computer entrusted to perform remote configuration to cause a denial of service (service crash) via a NULL byte in a crafted configuration directive packet.
Publication Date	Aug. 25, 2017, 5:29 a.m.
Registration Date	Jan. 26, 2021, 2:52 p.m.
Last Update	Nov. 21, 2024, 11:32 a.m.

CVSS3.0 : MEDIUM
スコア	5.3
Vector	CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
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)	低
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)	なし
可用性への影響(A)	高

CVSS2.0 : LOW
Score	3.5
Vector	AV:N/AC:M/Au:S/C:N/I:N/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)	単一
機密性への影響(C)	なし
完全性への影響(I)	なし
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:o:fedoraproject:fedora:22:::::::*
cpe:2.3:o:fedoraproject:fedora:23:::::::*
cpe:2.3:o:fedoraproject:fedora:21:::::::*

Configuration2	or higher	or less	more than	less than
cpe:2.3:o:debian:debian_linux:8.0:::::::*
cpe:2.3:o:debian:debian_linux:7.0:::::::*

Configuration3		or higher	or less	more than	less than
cpe:2.3:a:ntp:ntp::p2::::::*			4.2.8

Related information, measures and tools

No	URL	タグ
1	http://bugs.ntp.org/show_bug.cgi?id=2853	Issue Tracking Third Party Advisory
2	http://bugs.ntp.org/show_bug.cgi?id=2853	Issue Tracking Third Party Advisory
3	http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170926.html	Third Party Advisory
4	http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170926.html	Third Party Advisory
5	http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169167.html	Third Party Advisory
6	http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169167.html	Third Party Advisory
7	http://lists.fedoraproject.org/pipermail/package-announce/2015-September/166992.html	Third Party Advisory
8	http://lists.fedoraproject.org/pipermail/package-announce/2015-September/166992.html	Third Party Advisory
9	http://support.ntp.org/bin/view/Main/SecurityNotice#March_2017_ntp_4_2_8p10_NTP_Secu	Vendor Advisory
10	http://support.ntp.org/bin/view/Main/SecurityNotice#March_2017_ntp_4_2_8p10_NTP_Secu	Vendor Advisory
11	http://www.debian.org/security/2015/dsa-3388	Third Party Advisory
12	http://www.debian.org/security/2015/dsa-3388	Third Party Advisory
13	http://www.securityfocus.com/bid/75589	Third Party Advisory VDB Entry
14	http://www.securityfocus.com/bid/75589	Third Party Advisory VDB Entry
15	http://www.securitytracker.com/id/1034168	Third Party Advisory VDB Entry
16	http://www.securitytracker.com/id/1034168	Third Party Advisory VDB Entry
17	https://bugzilla.redhat.com/show_bug.cgi?id=1238136	Issue Tracking Third Party Advisory
18	https://bugzilla.redhat.com/show_bug.cgi?id=1238136	Issue Tracking Third Party Advisory
19	https://security.gentoo.org/glsa/201509-01	Mitigation Third Party Advisory VDB Entry
20	https://security.gentoo.org/glsa/201509-01	Mitigation Third Party Advisory VDB Entry
21	https://security.netapp.com/advisory/ntap-20180731-0003/
22	https://security.netapp.com/advisory/ntap-20180731-0003/

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-20	不適切な入力確認	https://cwe.mitre.org/data/definitions/20.html

JVN Vulnerability Information

ntp における入力確認に関する脆弱性

Title	ntp における入力確認に関する脆弱性
Summary	ntp には、入力確認に関する脆弱性が存在します。
Possible impacts	サービス運用妨害 (DoS) 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	June 29, 2015, midnight
Registration Date	Sept. 27, 2017, 3:14 p.m.
Last Update	Sept. 27, 2017, 3:14 p.m.

Affected System

NTP Project

NTP 4.2.8p3 未満

Debian

Debian GNU/Linux 7.0

Debian GNU/Linux 8.0

Fedora Project

Fedora 21

Fedora 22

Fedora 23

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-2015-5146	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-5146
National Vulnerability Database (NVD)
2	CVE-2015-5146	https://nvd.nist.gov/vuln/detail/CVE-2015-5146

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-20	https://jvndb.jvn.jp/ja/cwe/CWE-20.html

ベンダー情報

No	Name	URL
Debian Security Advisory
1	DSA-3388	https://www.debian.org/security/2015/dsa-3388
Fedora Update Notification
2	FEDORA-2015-14212	https://lists.fedoraproject.org/pipermail/package-announce/2015-October/169167.html
3	FEDORA-2015-14213	https://lists.fedoraproject.org/pipermail/package-announce/2015-September/166992.html
4	FEDORA-2015-77bfbc1bcd	https://lists.fedoraproject.org/pipermail/package-announce/2015-November/170926.html
NTP Bugzilla
5	Bug 2853	http://bugs.ntp.org/show_bug.cgi?id=2853
Red Hat Bugzilla
6	Bug 1238136	https://bugzilla.redhat.com/show_bug.cgi?id=1238136
Security Notice
7	ntpd control message crash: Crafted NUL-byte in configuration directive.	http://support.ntp.org/bin/view/Main/SecurityNotice#March_2017_ntp_4_2_8p10_NTP_Secu

Change Log

No	Changed Details	Date of change
0	[2017年09月27日] 掲載	Feb. 17, 2018, 10:37 a.m.