NVD Vulnerability Detail

CVE-2015-1421

Summary	Use-after-free vulnerability in the sctp_assoc_update function in net/sctp/associola.c in the Linux kernel before 3.18.8 allows remote attackers to cause a denial of service (slab corruption and panic) or possibly have unspecified other impact by triggering an INIT collision that leads to improper handling of shared-key data.
Publication Date	March 16, 2015, 7:59 p.m.
Registration Date	Jan. 26, 2021, 2:46 p.m.
Last Update	Nov. 21, 2024, 11:25 a.m.

CVSS2.0 : HIGH
Score	10.0
Vector	AV:N/AC:L/Au:N/C:C/I:C/A:C
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)	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::::::::	3.15			3.16.35
cpe:2.3:o:linux:linux_kernel::::::::	2.6.24			3.2.67
cpe:2.3:o:linux:linux_kernel::::::::	3.3			3.4.107
cpe:2.3:o:linux:linux_kernel::::::::	3.5			3.10.70
cpe:2.3:o:linux:linux_kernel::::::::	3.11			3.12.38
cpe:2.3:o:linux:linux_kernel::::::::	3.13			3.14.34
cpe:2.3:o:linux:linux_kernel::::::::	3.17			3.18.8

Configuration2	or higher	or less	more than	less than
cpe:2.3:o:canonical:ubuntu_linux:14.10:::::::*
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:::::::*
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=600ddd6825543962fb807884169e57b580dba208
2	http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=600ddd6825543962fb807884169e57b580dba208
3	http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00001.html	Mailing List Third Party Advisory
4	http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00001.html	Mailing List Third Party Advisory
5	http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html	Mailing List Third Party Advisory
6	http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html	Mailing List Third Party Advisory
7	http://rhn.redhat.com/errata/RHSA-2015-0726.html	Third Party Advisory
8	http://rhn.redhat.com/errata/RHSA-2015-0726.html	Third Party Advisory
9	http://rhn.redhat.com/errata/RHSA-2015-0751.html	Third Party Advisory
10	http://rhn.redhat.com/errata/RHSA-2015-0751.html	Third Party Advisory
11	http://rhn.redhat.com/errata/RHSA-2015-0782.html	Third Party Advisory
12	http://rhn.redhat.com/errata/RHSA-2015-0782.html	Third Party Advisory
13	http://rhn.redhat.com/errata/RHSA-2015-0864.html	Third Party Advisory
14	http://rhn.redhat.com/errata/RHSA-2015-0864.html	Third Party Advisory
15	http://rhn.redhat.com/errata/RHSA-2015-1082.html	Third Party Advisory
16	http://rhn.redhat.com/errata/RHSA-2015-1082.html	Third Party Advisory
17	http://www.debian.org/security/2015/dsa-3170	Third Party Advisory
18	http://www.debian.org/security/2015/dsa-3170	Third Party Advisory
19	http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.8	Vendor Advisory
20	http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.8	Vendor Advisory
21	http://www.openwall.com/lists/oss-security/2015/01/29/15	Mailing List Third Party Advisory
22	http://www.openwall.com/lists/oss-security/2015/01/29/15	Mailing List Third Party Advisory
23	http://www.securityfocus.com/bid/72356	Third Party Advisory VDB Entry
24	http://www.securityfocus.com/bid/72356	Third Party Advisory VDB Entry
25	http://www.securitytracker.com/id/1032172	Third Party Advisory VDB Entry
26	http://www.securitytracker.com/id/1032172	Third Party Advisory VDB Entry
27	http://www.ubuntu.com/usn/USN-2541-1	Third Party Advisory
28	http://www.ubuntu.com/usn/USN-2541-1	Third Party Advisory
29	http://www.ubuntu.com/usn/USN-2542-1	Third Party Advisory
30	http://www.ubuntu.com/usn/USN-2542-1	Third Party Advisory
31	http://www.ubuntu.com/usn/USN-2545-1	Third Party Advisory
32	http://www.ubuntu.com/usn/USN-2545-1	Third Party Advisory
33	http://www.ubuntu.com/usn/USN-2546-1	Third Party Advisory
34	http://www.ubuntu.com/usn/USN-2546-1	Third Party Advisory
35	http://www.ubuntu.com/usn/USN-2562-1	Third Party Advisory
36	http://www.ubuntu.com/usn/USN-2562-1	Third Party Advisory
37	http://www.ubuntu.com/usn/USN-2563-1	Third Party Advisory
38	http://www.ubuntu.com/usn/USN-2563-1	Third Party Advisory
39	https://bugzilla.redhat.com/show_bug.cgi?id=1196581	Issue Tracking Third Party Advisory
40	https://bugzilla.redhat.com/show_bug.cgi?id=1196581	Issue Tracking Third Party Advisory
41	https://github.com/torvalds/linux/commit/600ddd6825543962fb807884169e57b580dba208	Third Party Advisory
42	https://github.com/torvalds/linux/commit/600ddd6825543962fb807884169e57b580dba208	Third Party Advisory

Common Vulnerabilities List

JVN Vulnerability Information

Linux Kernel の net/sctp/associola.c の sctp_assoc_update 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 の sctp_assoc_update 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 の sctp_assoc_update 関数には、解放済みメモリの使用 (Use-after-free) により、サービス運用妨害 (スラブ (slab) 破損およびパニック) 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。補足情報 : CWE による脆弱性タイプは、CWE-416: Use-after-free (解放済みメモリの使用) と識別されています。 http://cwe.mitre.org/data/definitions/416.html
Possible impacts	第三者により、共有鍵データの不適切な処理につながる INIT の衝突を誘発されることで、サービス運用妨害 (スラブ (slab) 破損およびパニック) 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	Jan. 27, 2015, midnight
Registration Date	March 18, 2015, 12:20 p.m.
Last Update	May 25, 2015, 4:52 p.m.

Affected System

Linux

Linux Kernel 3.18.8 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-2015-1421	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1421
National Vulnerability Database (NVD)
2	CVE-2015-1421	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-1421

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-Other	https://www.ipa.go.jp/security/vuln/CWE.html#CWEOther

ベンダー情報

No	Name	URL
ChangeLog
1	ChangeLog-3.18.8	http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.8
GitHub
2	net: sctp: fix slab corruption from use after free on INIT collisions	https://github.com/torvalds/linux/commit/600ddd6825543962fb807884169e57b580dba208
Linux Kernel
3	Linux Kernel Archives	http://www.kernel.org
Linux kernel source tree
4	net: sctp: fix slab corruption from use after free on INIT collisions	http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=600ddd6825543962fb807884169e57b580dba208
Red Hat Bugzilla
5	Bug 1196581	https://bugzilla.redhat.com/show_bug.cgi?id=1196581
Red Hat Security Advisory
6	RHSA-2015:0726	http://rhn.redhat.com/errata/RHSA-2015-0726.html
7	RHSA-2015:0751	http://rhn.redhat.com/errata/RHSA-2015-0751.html
8	RHSA-2015:0782	http://rhn.redhat.com/errata/RHSA-2015-0782.html

Change Log

No	Changed Details	Date of change
0	[2015年03月18日] 掲載 [2015年04月08日] ベンダ情報：レッドハット (RHSA-2015:0751) を追加ベンダ情報：レッドハット (RHSA-2015:0726) を追加 [2015年05月25日] ベンダ情報：レッドハット (RHSA-2015:0782) を追加	Feb. 17, 2018, 10:37 a.m.