NVD Vulnerability Detail

CVE-2018-12126

Summary	Microarchitectural Store Buffer Data Sampling (MSBDS): Store buffers on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. A list of impacted products can be found here: https://www.intel.com/content/dam/www/public/us/en/documents/corporate-information/SA00233-microcode-update-guidance_05132019.pdf
Publication Date	May 31, 2019, 1:29 a.m.
Registration Date	March 1, 2021, 6:48 p.m.
Last Update	Nov. 21, 2024, 12:44 p.m.

CVSS3.0 : MEDIUM
スコア	5.6
Vector	CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
攻撃元区分(AV)	ローカル
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)	変更あり
機密性への影響(C)	高
完全性への影響(I)	なし
可用性への影響(A)	なし

CVSS2.0 : MEDIUM
Score	4.7
Vector	AV:L/AC:M/Au:N/C:C/I:N/A:N
攻撃元区分(AV)	ローカル
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)	高
完全性への影響(I)	なし
可用性への影響(A)	なし
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:intel:microarchitectural_store_buffer_data_sampling_firmware:-:::::::*
execution environment
1	cpe:2.3:h:intel:microarchitectural_store_buffer_data_sampling:-:::::::*

Configuration2		or higher	or less	more than	less than
cpe:2.3:o:fedoraproject:fedora:29:::::::*

Related information, measures and tools

No	URL	タグ
1	http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00014.html
2	http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00014.html
3	http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00052.html
4	http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00052.html
5	http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00053.html
6	http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00053.html
7	http://packetstormsecurity.com/files/155281/FreeBSD-Security-Advisory-FreeBSD-SA-19-26.mcu.html
8	http://packetstormsecurity.com/files/155281/FreeBSD-Security-Advisory-FreeBSD-SA-19-26.mcu.html
9	http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2019-003.txt
10	http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2019-003.txt
11	http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190712-01-mds-en
12	http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190712-01-mds-en
13	https://access.redhat.com/errata/RHSA-2019:1455
14	https://access.redhat.com/errata/RHSA-2019:1455
15	https://access.redhat.com/errata/RHSA-2019:2553
16	https://access.redhat.com/errata/RHSA-2019:2553
17	https://cert-portal.siemens.com/productcert/pdf/ssa-608355.pdf
18	https://cert-portal.siemens.com/productcert/pdf/ssa-608355.pdf
19	https://cert-portal.siemens.com/productcert/pdf/ssa-616472.pdf
20	https://cert-portal.siemens.com/productcert/pdf/ssa-616472.pdf
21	https://kc.mcafee.com/corporate/index?page=content&id=SB10292
22	https://kc.mcafee.com/corporate/index?page=content&id=SB10292
23	https://lists.debian.org/debian-lts-announce/2019/06/msg00018.html
24	https://lists.debian.org/debian-lts-announce/2019/06/msg00018.html
25	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OH73SGTJ575OBCPSJFX6LX7KP2KZIEN4/
26	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OH73SGTJ575OBCPSJFX6LX7KP2KZIEN4/
27	https://seclists.org/bugtraq/2019/Jun/28
28	https://seclists.org/bugtraq/2019/Jun/28
29	https://seclists.org/bugtraq/2019/Jun/36
30	https://seclists.org/bugtraq/2019/Jun/36
31	https://seclists.org/bugtraq/2019/Nov/15
32	https://seclists.org/bugtraq/2019/Nov/15
33	https://seclists.org/bugtraq/2019/Nov/16
34	https://seclists.org/bugtraq/2019/Nov/16
35	https://seclists.org/bugtraq/2020/Jan/21
36	https://seclists.org/bugtraq/2020/Jan/21
37	https://security.FreeBSD.org/advisories/FreeBSD-SA-19:26.mcu.asc
38	https://security.FreeBSD.org/advisories/FreeBSD-SA-19:26.mcu.asc
39	https://security.gentoo.org/glsa/202003-56
40	https://security.gentoo.org/glsa/202003-56
41	https://usn.ubuntu.com/3977-3/
42	https://usn.ubuntu.com/3977-3/
43	https://www.debian.org/security/2020/dsa-4602
44	https://www.debian.org/security/2020/dsa-4602
45	https://www.freebsd.org/security/advisories/FreeBSD-SA-19:07.mds.asc
46	https://www.freebsd.org/security/advisories/FreeBSD-SA-19:07.mds.asc
47	https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00233.html	Vendor Advisory
48	https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00233.html	Vendor Advisory
49	https://www.synology.com/security/advisory/Synology_SA_19_24
50	https://www.synology.com/security/advisory/Synology_SA_19_24

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-200	情報漏えい	https://cwe.mitre.org/data/definitions/200.html

JVN Vulnerability Information

Microarchitectural Store Buffer Data Sampling における情報漏えいに関する脆弱性

Title	Microarchitectural Store Buffer Data Sampling における情報漏えいに関する脆弱性
Summary	Microarchitectural Store Buffer Data Sampling (MSBDS) には、情報漏えいに関する脆弱性が存在します。
Possible impacts	情報を取得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 11, 2018, midnight
Registration Date	June 12, 2019, 3:19 p.m.
Last Update	June 12, 2019, 3:19 p.m.

Affected System

インテル

Microarchitectural Store Buffer Data Sampling (MSBDS) ファームウェア

Fedora Project

Fedora

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-2018-12126	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12126
National Vulnerability Database (NVD)
2	CVE-2018-12126	https://nvd.nist.gov/vuln/detail/CVE-2018-12126

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-200	https://jvndb.jvn.jp/ja/cwe/CWE-200.html

ベンダー情報

No	Name	URL
Fedora Update Notification
1	FEDORA-2019-1f5832fc0e	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OH73SGTJ575OBCPSJFX6LX7KP2KZIEN4/
Intel Product Security Center
2	INTEL-SA-00233	https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00233.html

その他

No	Name	URL
JVN
1	JVNVU#92328381	https://jvn.jp/vu/JVNVU92328381/
JVN iPedia
2	JVNDB-2019-003441	https://jvndb.jvn.jp/ja/contents/2019/JVNDB-2019-003441.html

Change Log

No	Changed Details	Date of change
1	[2019年06月12日] 掲載	June 12, 2019, 3:19 p.m.