NVD Vulnerability Detail

CVE-2019-10218

Summary	A flaw was found in the samba client, all samba versions before samba 4.11.2, 4.10.10 and 4.9.15, where a malicious server can supply a pathname to the client with separators. This could allow the client to access files and folders outside of the SMB network pathnames. An attacker could use this vulnerability to create files outside of the current working directory using the privileges of the client user.
Publication Date	Nov. 6, 2019, 7:15 p.m.
Registration Date	Jan. 26, 2021, 11:37 a.m.
Last Update	Nov. 21, 2024, 1:18 p.m.

CVSS3.1 : MEDIUM
スコア	6.5
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
攻撃元区分(AV)	ネットワーク
攻撃条件の複雑さ(AC)	低
攻撃に必要な特権レベル(PR)	不要
利用者の関与(UI)	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)	高
可用性への影響(A)	なし

CVSS2.0 : MEDIUM
Score	4.3
Vector	AV:N/AC:M/Au:N/C:N/I:P/A:N
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)	なし
Get all privileges.	いいえ
Get user privileges	いいえ
Get other privileges	いいえ
User operation required	はい

Affected software configurations

Configuration1	or higher	or less	more than	less than
cpe:2.3:a:samba:samba::::::::	4.10.0			4.10.10
cpe:2.3:a:samba:samba::::::::	4.11.0			4.11.2
cpe:2.3:a:samba:samba::::::::				4.9.15

Configuration2	or higher	or less	more than	less than
cpe:2.3:o:fedoraproject:fedora:29:::::::*
cpe:2.3:o:fedoraproject:fedora:31:::::::*

Related information, measures and tools

No	URL	タグ
1	http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00015.html	Third Party Advisory
2	http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00015.html	Third Party Advisory
3	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10218	Issue Tracking Third Party Advisory
4	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10218	Issue Tracking Third Party Advisory
5	https://lists.debian.org/debian-lts-announce/2021/05/msg00023.html
6	https://lists.debian.org/debian-lts-announce/2021/05/msg00023.html
7	https://lists.debian.org/debian-lts-announce/2023/09/msg00013.html
8	https://lists.debian.org/debian-lts-announce/2023/09/msg00013.html
9	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OKPYHDFI7HRELVXBE5J4MTGSI35AKFBI/
10	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OKPYHDFI7HRELVXBE5J4MTGSI35AKFBI/
11	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UMIYCYXCPRTVCVZ3TP6ZGPJ6RZS3IX4G/
12	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UMIYCYXCPRTVCVZ3TP6ZGPJ6RZS3IX4G/
13	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XQ3IUACPZJXSC4OM6P2V4IC4QMZQZWPD/
14	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XQ3IUACPZJXSC4OM6P2V4IC4QMZQZWPD/
15	https://www.samba.org/samba/security/CVE-2019-10218.html	Vendor Advisory
16	https://www.samba.org/samba/security/CVE-2019-10218.html	Vendor Advisory
17	https://www.synology.com/security/advisory/Synology_SA_19_35
18	https://www.synology.com/security/advisory/Synology_SA_19_35

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-22	パス・トラバーサル	https://cwe.mitre.org/data/definitions/22.html

JVN Vulnerability Information

samba におけるパストラバーサルの脆弱性

Title	samba におけるパストラバーサルの脆弱性
Summary	samba には、パストラバーサルの脆弱性が存在します。
Possible impacts	情報を改ざん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. 14, 2019, midnight
Registration Date	Nov. 21, 2019, 3:44 p.m.
Last Update	Nov. 21, 2019, 3:44 p.m.

Affected System

Samba Project

Samba 4.10.10

Samba 4.11.2

Samba 4.9.15

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-2019-10218	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-10218
National Vulnerability Database (NVD)
2	CVE-2019-10218	https://nvd.nist.gov/vuln/detail/CVE-2019-10218

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-22	https://jvndb.jvn.jp/ja/cwe/CWE-22.html

ベンダー情報

No	Name	URL
Fedora Update Notification
1	FEDORA-2019-460ad648e7	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XQ3IUACPZJXSC4OM6P2V4IC4QMZQZWPD/
2	FEDORA-2019-57d43f3b58	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UMIYCYXCPRTVCVZ3TP6ZGPJ6RZS3IX4G/
3	FEDORA-2019-703e299870	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OKPYHDFI7HRELVXBE5J4MTGSI35AKFBI/
Samba Security Announcement
4	Client code can return filenames containing path separators.	https://www.samba.org/samba/security/CVE-2019-10218.html

その他

No	Name	URL
ICS-CERT ADVISORY
1	ICSMA-19-311-01	https://www.us-cert.gov/ics/advisories/icsma-19-311-01

Change Log

No	Changed Details	Date of change
1	[2019年11月21日] 掲載	Nov. 21, 2019, 3:44 p.m.