NVD Vulnerability Detail

CVE-2014-4667

Summary	The sctp_association_free function in net/sctp/associola.c in the Linux kernel before 3.15.2 does not properly manage a certain backlog value, which allows remote attackers to cause a denial of service (socket outage) via a crafted SCTP packet.
Publication Date	July 3, 2014, 1:22 p.m.
Registration Date	Jan. 26, 2021, 3:13 p.m.
Last Update	Nov. 21, 2024, 11:10 a.m.

CVSS2.0 : MEDIUM
Score	5.0
Vector	AV:N/AC:L/Au:N/C:N/I:N/A:P
攻撃元区分(AV)	ネットワーク
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)	なし
完全性への影響(I)	なし
可用性への影響(A)	低
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::::::::					3.15.2

Configuration2	or higher	or less	more than	less than
cpe:2.3:o:suse:linux_enterprise_desktop:11:sp3::::::
cpe:2.3:o:suse:linux_enterprise_server:11:sp3::::vmware::*
cpe:2.3:o:suse:linux_enterprise_real_time_extension:11:sp3::::::
cpe:2.3:o:suse:linux_enterprise_server:10:sp4:::ltss:::*
cpe:2.3:o:suse:linux_enterprise_server:11:sp3::::-::*

Configuration3		or higher	or less	more than	less than
cpe:2.3:o:canonical:ubuntu_linux:12.04::::esm:::

Configuration4		or higher	or less	more than	less than
cpe:2.3:o:debian:debian_linux:7.0:::::::*

Related information, measures and tools

No	URL	タグ
1	http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d3217b15a19a4779c39b212358a5c71d725822ee
2	http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d3217b15a19a4779c39b212358a5c71d725822ee
3	http://linux.oracle.com/errata/ELSA-2014-3068.html	Third Party Advisory
4	http://linux.oracle.com/errata/ELSA-2014-3068.html	Third Party Advisory
5	http://linux.oracle.com/errata/ELSA-2014-3069.html	Third Party Advisory
6	http://linux.oracle.com/errata/ELSA-2014-3069.html	Third Party Advisory
7	http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00006.html	Mailing List Third Party Advisory
8	http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00006.html	Mailing List Third Party Advisory
9	http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00007.html	Mailing List Third Party Advisory
10	http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00007.html	Mailing List Third Party Advisory
11	http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html	Mailing List Third Party Advisory
12	http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html	Mailing List Third Party Advisory
13	http://secunia.com/advisories/59777	Third Party Advisory
14	http://secunia.com/advisories/59777	Third Party Advisory
15	http://secunia.com/advisories/59790	Third Party Advisory
16	http://secunia.com/advisories/59790	Third Party Advisory
17	http://secunia.com/advisories/60564	Third Party Advisory
18	http://secunia.com/advisories/60564	Third Party Advisory
19	http://secunia.com/advisories/60596	Third Party Advisory
20	http://secunia.com/advisories/60596	Third Party Advisory
21	http://www.debian.org/security/2014/dsa-2992	Third Party Advisory
22	http://www.debian.org/security/2014/dsa-2992	Third Party Advisory
23	http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2	Release Notes Vendor Advisory
24	http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2	Release Notes Vendor Advisory
25	http://www.openwall.com/lists/oss-security/2014/06/27/11	Mailing List Third Party Advisory
26	http://www.openwall.com/lists/oss-security/2014/06/27/11	Mailing List Third Party Advisory
27	http://www.securityfocus.com/bid/68224	Third Party Advisory VDB Entry
28	http://www.securityfocus.com/bid/68224	Third Party Advisory VDB Entry
29	http://www.ubuntu.com/usn/USN-2334-1	Third Party Advisory
30	http://www.ubuntu.com/usn/USN-2334-1	Third Party Advisory
31	http://www.ubuntu.com/usn/USN-2335-1	Third Party Advisory
32	http://www.ubuntu.com/usn/USN-2335-1	Third Party Advisory
33	https://bugzilla.redhat.com/show_bug.cgi?id=1113967	Issue Tracking Third Party Advisory
34	https://bugzilla.redhat.com/show_bug.cgi?id=1113967	Issue Tracking Third Party Advisory
35	https://github.com/torvalds/linux/commit/d3217b15a19a4779c39b212358a5c71d725822ee	Patch Third Party Advisory
36	https://github.com/torvalds/linux/commit/d3217b15a19a4779c39b212358a5c71d725822ee	Patch Third Party Advisory

Common Vulnerabilities List

JVN Vulnerability Information

Linux Kernel の net/sctp/associola.c 内の sctp_association_free 関数におけるサービス運用妨害 (DoS) の脆弱性

Title	Linux Kernel の net/sctp/associola.c 内の sctp_association_free 関数におけるサービス運用妨害 (DoS) の脆弱性
Summary	Linux Kernel の net/sctp/associola.c 内の sctp_association_free 関数は、特定の backlog 値を適切に管理しないため、サービス運用妨害 (ソケットの停止) 状態にされる脆弱性が存在します。
Possible impacts	第三者により、巧妙に細工された SCTP パケットを介して、サービス運用妨害 (ソケットの停止) 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	June 26, 2014, midnight
Registration Date	July 7, 2014, 4:53 p.m.
Last Update	July 7, 2014, 4:53 p.m.

Affected System

Linux

Linux Kernel 3.15.2 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-2014-4667	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-4667
National Vulnerability Database (NVD)
2	CVE-2014-4667	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-4667

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-20	https://jvndb.jvn.jp/ja/cwe/CWE-20.html

ベンダー情報

No	Name	URL
ChangeLog
1	ChangeLog-3.15.2	https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2
GitHub
2	sctp: Fix sk_ack_backlog wrap-around problem	https://github.com/torvalds/linux/commit/d3217b15a19a4779c39b212358a5c71d725822ee
Linux Kernel
3	Linux Kernel Archives	http://www.kernel.org
Linux kernel source tree
4	sctp: Fix sk_ack_backlog wrap-around problem	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d3217b15a19a4779c39b212358a5c71d725822ee
Red Hat Bugzilla
5	Bug 1113967	https://bugzilla.redhat.com/show_bug.cgi?id=1113967

Change Log

No	Changed Details	Date of change
0	[2014年07月07日] 掲載	Feb. 17, 2018, 10:37 a.m.