NVD Vulnerability Detail

CVE-2017-15868

Summary	The bnep_add_connection function in net/bluetooth/bnep/core.c in the Linux kernel before 3.19 does not ensure that an l2cap socket is available, which allows local users to gain privileges via a crafted application.
Publication Date	Dec. 6, 2017, 8:29 a.m.
Registration Date	Jan. 26, 2021, 1:17 p.m.
Last Update	Nov. 21, 2024, 12:15 p.m.

CVSS3.1 : HIGH
スコア	7.8
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
攻撃元区分(AV)	ローカル
攻撃条件の複雑さ(AC)	低
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)	高
完全性への影響(I)	高
可用性への影響(A)	高

CVSS2.0 : HIGH
Score	7.2
Vector	AV:L/AC:L/Au:N/C:C/I:C/A:C
攻撃元区分(AV)	ローカル
攻撃条件の複雑さ(AC)	低
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)	高
可用性への影響(A)	高
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:linux:linux_kernel::::::::	3.3			3.10.108
cpe:2.3:o:linux:linux_kernel::::::::	3.2			3.2.97
cpe:2.3:o:linux:linux_kernel::::::::	3.11			3.16.52
cpe:2.3:o:linux:linux_kernel::::::::	3.17			3.18.64

Configuration2	or higher	or less	more than	less than
cpe:2.3:o:canonical:ubuntu_linux:14.04::::esm:::
cpe:2.3:o:canonical:ubuntu_linux:12.04::::-:::

Configuration3		or higher	or less	more than	less than
cpe:2.3:o:debian:debian_linux:8.0:::::::*

Related information, measures and tools

No	URL	タグ
1	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=71bb99a02b32b4cc4265118e85f6035ca72923f0	Patch Vendor Advisory
2	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=71bb99a02b32b4cc4265118e85f6035ca72923f0	Patch Vendor Advisory
3	http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html	Mailing List Third Party Advisory
4	http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html	Mailing List Third Party Advisory
5	http://www.securityfocus.com/bid/102084	Third Party Advisory VDB Entry
6	http://www.securityfocus.com/bid/102084	Third Party Advisory VDB Entry
7	https://github.com/torvalds/linux/commit/71bb99a02b32b4cc4265118e85f6035ca72923f0	Issue Tracking
8	https://github.com/torvalds/linux/commit/71bb99a02b32b4cc4265118e85f6035ca72923f0	Issue Tracking
9	https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html	Mailing List Third Party Advisory
10	https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html	Mailing List Third Party Advisory
11	https://patchwork.kernel.org/patch/9882449/	Patch Vendor Advisory
12	https://patchwork.kernel.org/patch/9882449/	Patch Vendor Advisory
13	https://source.android.com/security/bulletin/pixel/2017-12-01	Third Party Advisory
14	https://source.android.com/security/bulletin/pixel/2017-12-01	Third Party Advisory
15	https://usn.ubuntu.com/3583-1/	Third Party Advisory
16	https://usn.ubuntu.com/3583-1/	Third Party Advisory
17	https://usn.ubuntu.com/3583-2/	Third Party Advisory
18	https://usn.ubuntu.com/3583-2/	Third Party Advisory
19	https://www.debian.org/security/2018/dsa-4082	Third Party Advisory
20	https://www.debian.org/security/2018/dsa-4082	Third Party Advisory

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

Linux Kernel における認可・権限・アクセス制御に関する脆弱性

Title	Linux Kernel における認可・権限・アクセス制御に関する脆弱性
Summary	Linux Kernel には、認可・権限・アクセス制御に関する脆弱性が存在します。
Possible impacts	情報を取得される、情報を改ざんされる、およびサービス運用妨害 (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	Aug. 4, 2017, midnight
Registration Date	Dec. 28, 2017, 11:18 a.m.
Last Update	Dec. 28, 2017, 11:18 a.m.

Affected System

Linux

Linux Kernel 3.19 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-2017-15868	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15868
National Vulnerability Database (NVD)
2	CVE-2017-15868	https://nvd.nist.gov/vuln/detail/CVE-2017-15868

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-264	https://jvndb.jvn.jp/ja/cwe/CWE-264.html

ベンダー情報

No	Name	URL
Android Open Source Project
1	Pixel/Nexus のセキュリティに関する公開情報 - 2017 年 12 月	https://source.android.com/security/bulletin/pixel/2017-12-01
GitHub
2	Bluetooth: bnep: bnep_add_connection() should verify that it's dealing with l2cap socket	https://github.com/torvalds/linux/commit/71bb99a02b32b4cc4265118e85f6035ca72923f0
Linux Kernel
3	Linux Kernel Archives	http://www.kernel.org
Linux kernel source tree
4	Bluetooth: bnep: bnep_add_connection() should verify that it's dealing with l2cap socket	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=71bb99a02b32b4cc4265118e85f6035ca72923f0
Patchwork Linux network development
5	Patchwork [3.18,12/50] Bluetooth: bnep: bnep_add_connection() should verify that its dealing with l2cap socket	https://patchwork.kernel.org/patch/9882449/

Change Log

No	Changed Details	Date of change
0	[2017年12月28日] 掲載	Feb. 17, 2018, 10:37 a.m.