NVD Vulnerability Detail

CVE-2017-9077

Summary	The tcp_v6_syn_recv_sock function in net/ipv6/tcp_ipv6.c in the Linux kernel through 4.11.1 mishandles inheritance, which allows local users to cause a denial of service or possibly have unspecified other impact via crafted system calls, a related issue to CVE-2017-8890.
Publication Date	May 19, 2017, 11:29 p.m.
Registration Date	Jan. 26, 2021, 1:30 p.m.
Last Update	Nov. 21, 2024, 12:35 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::::::::				3.2.89
cpe:2.3:o:linux:linux_kernel::::::::	3.3			3.16.44
cpe:2.3:o:linux:linux_kernel::::::::	3.17			3.18.84
cpe:2.3:o:linux:linux_kernel::::::::	4.5			4.9.31
cpe:2.3:o:linux:linux_kernel::::::::	4.10			4.11.4
cpe:2.3:o:linux:linux_kernel::::::::	3.19			4.4.71

Related information, measures and tools

No	URL	タグ
1	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=83eaddab4378db256d00d295bda6ca997cd13a52	Patch Vendor Advisory
2	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=83eaddab4378db256d00d295bda6ca997cd13a52	Patch Vendor Advisory
3	http://www.debian.org/security/2017/dsa-3886	Third Party Advisory
4	http://www.debian.org/security/2017/dsa-3886	Third Party Advisory
5	http://www.securityfocus.com/bid/98583	Third Party Advisory VDB Entry
6	http://www.securityfocus.com/bid/98583	Third Party Advisory VDB Entry
7	https://access.redhat.com/errata/RHSA-2017:1842	Third Party Advisory
8	https://access.redhat.com/errata/RHSA-2017:1842	Third Party Advisory
9	https://access.redhat.com/errata/RHSA-2017:2077	Third Party Advisory
10	https://access.redhat.com/errata/RHSA-2017:2077	Third Party Advisory
11	https://access.redhat.com/errata/RHSA-2017:2669	Third Party Advisory
12	https://access.redhat.com/errata/RHSA-2017:2669	Third Party Advisory
13	https://access.redhat.com/errata/RHSA-2018:1854	Third Party Advisory
14	https://access.redhat.com/errata/RHSA-2018:1854	Third Party Advisory
15	https://github.com/torvalds/linux/commit/83eaddab4378db256d00d295bda6ca997cd13a52	Patch Vendor Advisory
16	https://github.com/torvalds/linux/commit/83eaddab4378db256d00d295bda6ca997cd13a52	Patch Vendor Advisory
17	https://patchwork.ozlabs.org/patch/760370/	Patch Third Party Advisory
18	https://patchwork.ozlabs.org/patch/760370/	Patch Third Party Advisory
19	https://source.android.com/security/bulletin/2017-11-01	Third Party Advisory
20	https://source.android.com/security/bulletin/2017-11-01	Third Party Advisory

Common Vulnerabilities List

JVN Vulnerability Information

Linux Kernel の net/ipv6/tcp_ipv6.c の tcp_v6_syn_recv_sock 関数におけるサービス運用妨害 (DoS) の脆弱性

Title	Linux Kernel の net/ipv6/tcp_ipv6.c の tcp_v6_syn_recv_sock 関数におけるサービス運用妨害 (DoS) の脆弱性
Summary	Linux Kernel の net/ipv6/tcp_ipv6.c の tcp_v6_syn_recv_sock 関数は、インヘリタンス (継承) を誤って処理するため、サービス運用妨害 (DoS) 状態にされるなど、不特定の影響を受ける脆弱性が存在します。本脆弱性は、CVE-2017-8890 と関連する問題です。
Possible impacts	ローカルユーザにより、巧妙に細工されたシステムコールを介して、サービス運用妨害 (DoS) 状態にされるなど、不特定の影響を受け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	May 9, 2017, midnight
Registration Date	June 21, 2017, 5:29 p.m.
Last Update	June 21, 2017, 5:29 p.m.

Affected System

Linux

Linux Kernel 4.11.1 まで

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-2017-9077	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9077
National Vulnerability Database (NVD)
2	CVE-2017-9077	https://nvd.nist.gov/vuln/detail/CVE-2017-9077

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-19	https://cwe.mitre.org/data/definitions/19.html

ベンダー情報

No	Name	URL
GitHub
1	ipv6/dccp: do not inherit ipv6_mc_list from parent	https://github.com/torvalds/linux/commit/83eaddab4378db256d00d295bda6ca997cd13a52
Linux Kernel
2	Linux Kernel Archives	http://www.kernel.org
Linux kernel source tree
3	ipv6/dccp: do not inherit ipv6_mc_list from parent	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=83eaddab4378db256d00d295bda6ca997cd13a52
Patchwork Linux network development
4	[net] ipv6/dccp: do not inherit ipv6_mc_list from parent	https://patchwork.ozlabs.org/patch/760370/

Change Log

No	Changed Details	Date of change
0	[2017年06月21日] 掲載	Feb. 17, 2018, 10:37 a.m.