NVD Vulnerability Detail

CVE-2014-6416

Summary	Buffer overflow in net/ceph/auth_x.c in Ceph, as used in the Linux kernel before 3.16.3, allows remote attackers to cause a denial of service (memory corruption and panic) or possibly have unspecified other impact via a long unencrypted auth ticket.
Publication Date	Sept. 28, 2014, 7:55 p.m.
Registration Date	Jan. 26, 2021, 3:16 p.m.
Last Update	Nov. 21, 2024, 11:14 a.m.

CVSS2.0 : HIGH
Score	7.8
Vector	AV:N/AC:L/Au:N/C:N/I:N/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)	なし
完全性への影響(I)	なし
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::::::::				3.2.64
cpe:2.3:o:linux:linux_kernel::::::::	3.3			3.4.105
cpe:2.3:o:linux:linux_kernel::::::::	3.5			3.10.55
cpe:2.3:o:linux:linux_kernel::::::::	3.11			3.12.29
cpe:2.3:o:linux:linux_kernel::::::::	3.13			3.14.19
cpe:2.3:o:linux:linux_kernel::::::::	3.15			3.16.3

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::::-:::

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=c27a3e4d667fdcad3db7b104f75659478e0c68d8
2	http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c27a3e4d667fdcad3db7b104f75659478e0c68d8
3	http://tracker.ceph.com/issues/8979	Broken Link
4	http://tracker.ceph.com/issues/8979	Broken Link
5	http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.16.3	Exploit Vendor Advisory
6	http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.16.3	Exploit Vendor Advisory
7	http://www.openwall.com/lists/oss-security/2014/09/15/7	Exploit Mailing List
8	http://www.openwall.com/lists/oss-security/2014/09/15/7	Exploit Mailing List
9	http://www.securityfocus.com/bid/69805	Third Party Advisory VDB Entry
10	http://www.securityfocus.com/bid/69805	Third Party Advisory VDB Entry
11	http://www.ubuntu.com/usn/USN-2376-1	Third Party Advisory
12	http://www.ubuntu.com/usn/USN-2376-1	Third Party Advisory
13	http://www.ubuntu.com/usn/USN-2377-1	Third Party Advisory
14	http://www.ubuntu.com/usn/USN-2377-1	Third Party Advisory
15	http://www.ubuntu.com/usn/USN-2378-1	Third Party Advisory
16	http://www.ubuntu.com/usn/USN-2378-1	Third Party Advisory
17	http://www.ubuntu.com/usn/USN-2379-1	Third Party Advisory
18	http://www.ubuntu.com/usn/USN-2379-1	Third Party Advisory
19	https://bugzilla.redhat.com/show_bug.cgi?id=1142060	Issue Tracking Third Party Advisory
20	https://bugzilla.redhat.com/show_bug.cgi?id=1142060	Issue Tracking Third Party Advisory
21	https://github.com/torvalds/linux/commit/c27a3e4d667fdcad3db7b104f75659478e0c68d8	Exploit Third Party Advisory
22	https://github.com/torvalds/linux/commit/c27a3e4d667fdcad3db7b104f75659478e0c68d8	Exploit Third Party Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-119	バッファエラー	https://cwe.mitre.org/data/definitions/118.html

JVN Vulnerability Information

Linux Kernel で使用される Ceph の net/ceph/auth_x.c におけるバッファオーバーフローの脆弱性

Title	Linux Kernel で使用される Ceph の net/ceph/auth_x.c におけるバッファオーバーフローの脆弱性
Summary	Linux Kernel で使用される Ceph の net/ceph/auth_x.c には、バッファオーバーフローの脆弱性が存在します。
Possible impacts	第三者により、過度に長い暗号化されていない認証チケットを介して、サービス運用妨害 (メモリ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	Sept. 17, 2014, midnight
Registration Date	Sept. 30, 2014, 4:18 p.m.
Last Update	Sept. 30, 2014, 4:18 p.m.

Affected System

Linux

Linux Kernel 3.16.3 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-2014-6416	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-6416
National Vulnerability Database (NVD)
2	CVE-2014-6416	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-6416

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-119	https://jvndb.jvn.jp/ja/cwe/CWE-119.html

ベンダー情報

No	Name	URL
Ceph
1	Bug #8979	http://tracker.ceph.com/issues/8979
ChangeLog
2	ChangeLog-3.16.3	https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.16.3
GitHub
3	libceph: do not hard code max auth ticket len	https://github.com/torvalds/linux/commit/c27a3e4d667fdcad3db7b104f75659478e0c68d8
Linux Kernel
4	Linux Kernel Archives	http://www.kernel.org
Linux kernel source tree
5	libceph: do not hard code max auth ticket len	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c27a3e4d667fdcad3db7b104f75659478e0c68d8
Red Hat Bugzilla
6	Bug 1142060	https://bugzilla.redhat.com/show_bug.cgi?id=1142060

Change Log

No	Changed Details	Date of change
0	[2014年09月30日] 掲載	Feb. 17, 2018, 10:37 a.m.