製品・ソフトウェアに関する情報

JVN脆弱性詳細

dnsmasq におけるリソース管理に関する脆弱性

Title	dnsmasq におけるリソース管理に関する脆弱性
Summary	dnsmasq には、リソース管理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	Sept. 26, 2017, midnight
Registration Date	Oct. 24, 2017, 6:20 p.m.
Last Update	Nov. 29, 2017, 5:03 p.m.

CVSS3.0 : 重要
Score	7.5
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS2.0 : 警告
Score	5
Vector	AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected System

レッドハット

Red Hat Enterprise Linux Desktop

Red Hat Enterprise Linux Server

Red Hat Enterprise Linux Workstation

Debian

Debian GNU/Linux

Canonical

Ubuntu

openSUSE project

openSUSE Leap

thekelleys

Dnsmasq 2.78 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-2017-14495	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14495
National Vulnerability Database (NVD)
2	CVE-2017-14495	https://nvd.nist.gov/vuln/detail/CVE-2017-14495

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-399	https://jvndb.jvn.jp/ja/cwe/CWE-399.html
2	CWE-400	https://cwe.mitre.org/data/definitions/400.html

ベンダー情報

No	Name	URL
Debian Security Advisory
1	DSA-3989	https://www.debian.org/security/2017/dsa-3989
NVIDIA SUPPORT
2	Security Bulletin: NVIDIA Tegra Jetson L4T contains multiple vulnerabilities; updates for “BlueBorne” and “Dnsmasq”.	http://nvidia.custhelp.com/app/answers/detail/a_id/4561
opensuse-security-announce
3	openSUSE-SU-2017:2633	https://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html
Red Hat Security Advisory
4	RHSA-2017:2836	https://access.redhat.com/errata/RHSA-2017:2836
thekelleys
5	CHANGELOG	http://thekelleys.org.uk/dnsmasq/CHANGELOG
6	Security fix, CVE-2017-14495, OOM in DNS response creation.	http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=51eadb692a5123b9838e5a68ecace3ac579a3a45
Ubuntu Security Notice
7	USN-3430-1	https://usn.ubuntu.com/usn/USN-3430-1/
8	USN-3430-2	https://usn.ubuntu.com/usn/USN-3430-2/
Vulnerability Responses
9	dnsmasq: Multiple Critical and Important vulnerabilities	https://access.redhat.com/security/vulnerabilities/3199382

その他

No	Name	URL
ICS-CERT ADVISORY
1	ICSA-17-332-01	https://ics-cert.us-cert.gov/advisories/ICSA-17-332-01
JVN
2	JVNVU#93453933	http://jvn.jp/vu/JVNVU93453933/index.html
US-CERT Vulnerability Note
3	VU#973527	https://www.kb.cert.org/vuls/id/973527

Change Log

No	Changed Details	Date of change
0	[2017年10月24日] 掲載 [2017年11月29日] 参考情報：ICS-CERT ADVISORY (ICSA-17-332-01) を追加	Feb. 17, 2018, 10:37 a.m.

NVD Vulnerability Information

CVE-2017-14495

Summary	Memory leak in dnsmasq before 2.78, when the --add-mac, --add-cpe-id or --add-subnet option is specified, allows remote attackers to cause a denial of service (memory consumption) via vectors involving DNS response creation.
Publication Date	Oct. 3, 2017, 10:29 a.m.
Registration Date	Jan. 26, 2021, 1:15 p.m.
Last Update	Nov. 21, 2024, 12:12 p.m.

Affected software configurations

Configuration1	or higher	or less	more than	less than
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::*
cpe:2.3:o:debian:debian_linux:7.1:::::::*
cpe:2.3:o:debian:debian_linux:7.0:::::::*
cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:17.04:::::::*
cpe:2.3:o:debian:debian_linux:9.0:::::::*

Configuration2		or higher	or less	more than	less than
cpe:2.3:a:thekelleys:dnsmasq::::::::			2.77

Related information, measures and tools

No	URL	タグ
1	http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html	Issue Tracking Mailing List Third Party Advisory
2	http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html	Issue Tracking Mailing List Third Party Advisory
3	http://nvidia.custhelp.com/app/answers/detail/a_id/4561
4	http://nvidia.custhelp.com/app/answers/detail/a_id/4561
5	http://thekelleys.org.uk/dnsmasq/CHANGELOG	Release Notes Vendor Advisory
6	http://thekelleys.org.uk/dnsmasq/CHANGELOG	Release Notes Vendor Advisory
7	http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=51eadb692a5123b9838e5a68ecace3ac579a3a45
8	http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=51eadb692a5123b9838e5a68ecace3ac579a3a45
9	http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-005.txt
10	http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-005.txt
11	http://www.debian.org/security/2017/dsa-3989	Third Party Advisory
12	http://www.debian.org/security/2017/dsa-3989	Third Party Advisory
13	http://www.securityfocus.com/bid/101085	Third Party Advisory VDB Entry
14	http://www.securityfocus.com/bid/101085	Third Party Advisory VDB Entry
15	http://www.securityfocus.com/bid/101977
16	http://www.securityfocus.com/bid/101977
17	http://www.securitytracker.com/id/1039474	Third Party Advisory VDB Entry
18	http://www.securitytracker.com/id/1039474	Third Party Advisory VDB Entry
19	http://www.ubuntu.com/usn/USN-3430-1	Third Party Advisory
20	http://www.ubuntu.com/usn/USN-3430-1	Third Party Advisory
21	http://www.ubuntu.com/usn/USN-3430-2	Third Party Advisory
22	http://www.ubuntu.com/usn/USN-3430-2	Third Party Advisory
23	https://access.redhat.com/errata/RHSA-2017:2836	Patch Third Party Advisory
24	https://access.redhat.com/errata/RHSA-2017:2836	Patch Third Party Advisory
25	https://access.redhat.com/security/vulnerabilities/3199382	Issue Tracking Third Party Advisory
26	https://access.redhat.com/security/vulnerabilities/3199382	Issue Tracking Third Party Advisory
27	https://cert-portal.siemens.com/productcert/pdf/ssa-689071.pdf
28	https://cert-portal.siemens.com/productcert/pdf/ssa-689071.pdf
29	https://security.gentoo.org/glsa/201710-27
30	https://security.gentoo.org/glsa/201710-27
31	https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html	Third Party Advisory
32	https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html	Third Party Advisory
33	https://www.exploit-db.com/exploits/42945/	Third Party Advisory VDB Entry
34	https://www.exploit-db.com/exploits/42945/	Third Party Advisory VDB Entry
35	https://www.kb.cert.org/vuls/id/973527	Third Party Advisory US Government Resource
36	https://www.kb.cert.org/vuls/id/973527	Third Party Advisory US Government Resource
37	https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11664.html
38	https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11664.html
39	https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11665.html
40	https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11665.html
41	https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq
42	https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-772	有効なライフタイム後のリソースの解放の欠如	https://cwe.mitre.org/data/definitions/772.html

Configuration1	or higher	or less	more than	less than
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::*
cpe:2.3:o:debian:debian_linux:7.1:::::::*
cpe:2.3:o:debian:debian_linux:7.0:::::::*
cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:17.04:::::::*
cpe:2.3:o:debian:debian_linux:9.0:::::::*