NVD Vulnerability Detail

CVE-2014-2523

Summary	net/netfilter/nf_conntrack_proto_dccp.c in the Linux kernel through 3.13.6 uses a DCCP header pointer incorrectly, which allows remote attackers to cause a denial of service (system crash) or possibly execute arbitrary code via a DCCP packet that triggers a call to the (1) dccp_new, (2) dccp_packet, or (3) dccp_error function.
Publication Date	March 25, 2014, 1:40 a.m.
Registration Date	Jan. 26, 2021, 3:08 p.m.
Last Update	Nov. 21, 2024, 11:06 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::::::::				3.2.57
cpe:2.3:o:linux:linux_kernel::::::::	3.3			3.4.86
cpe:2.3:o:linux:linux_kernel::::::::	3.5			3.10.36
cpe:2.3:o:linux:linux_kernel::::::::	3.11			3.12.17
cpe:2.3:o:linux:linux_kernel::::::::	3.13.0			3.13.9

Configuration2		or higher	or less	more than	less than
cpe:2.3:o:canonical:ubuntu_linux:10.04::::-:::

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=b22f5126a24b3b2f15448c3f2a254fc10cbc2b92
2	http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b22f5126a24b3b2f15448c3f2a254fc10cbc2b92
3	http://secunia.com/advisories/57446	Third Party Advisory
4	http://secunia.com/advisories/57446	Third Party Advisory
5	http://twitter.com/grsecurity/statuses/445496197399461888	Broken Link
6	http://twitter.com/grsecurity/statuses/445496197399461888	Broken Link
7	http://www.openwall.com/lists/oss-security/2014/03/17/7	Mailing List Patch Third Party Advisory
8	http://www.openwall.com/lists/oss-security/2014/03/17/7	Mailing List Patch Third Party Advisory
9	http://www.securityfocus.com/bid/66279	Third Party Advisory VDB Entry
10	http://www.securityfocus.com/bid/66279	Third Party Advisory VDB Entry
11	http://www.securitytracker.com/id/1029945	Third Party Advisory VDB Entry
12	http://www.securitytracker.com/id/1029945	Third Party Advisory VDB Entry
13	http://www.ubuntu.com/usn/USN-2173-1	Third Party Advisory
14	http://www.ubuntu.com/usn/USN-2173-1	Third Party Advisory
15	http://www.ubuntu.com/usn/USN-2174-1	Third Party Advisory
16	http://www.ubuntu.com/usn/USN-2174-1	Third Party Advisory
17	https://bugzilla.redhat.com/show_bug.cgi?id=1077343	Issue Tracking Third Party Advisory
18	https://bugzilla.redhat.com/show_bug.cgi?id=1077343	Issue Tracking Third Party Advisory
19	https://exchange.xforce.ibmcloud.com/vulnerabilities/91910	Third Party Advisory VDB Entry
20	https://exchange.xforce.ibmcloud.com/vulnerabilities/91910	Third Party Advisory VDB Entry
21	https://github.com/torvalds/linux/commit/b22f5126a24b3b2f15448c3f2a254fc10cbc2b92	Patch Third Party Advisory
22	https://github.com/torvalds/linux/commit/b22f5126a24b3b2f15448c3f2a254fc10cbc2b92	Patch 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 の net/netfilter/nf_conntrack_proto_dccp.c におけるサービス運用妨害 (DoS) の脆弱性

Title	Linux Kernel の net/netfilter/nf_conntrack_proto_dccp.c におけるサービス運用妨害 (DoS) の脆弱性
Summary	Linux Kernel の net/netfilter/nf_conntrack_proto_dccp.c は、DCCP ヘッダポインタを不適切に使用するため、サービス運用妨害 (システムクラッシュ) 状態にされる、または任意のコードを実行される脆弱性が存在します。
Possible impacts	第三者により、(1) dccp_new 関数、(2) dccp_packet 関数、または (3) dccp_error 関数の呼び出しを誘発する DCCP パケットを介して、サービス運用妨害 (システムクラッシュ) 状態にされる、または任意のコードを実行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	Jan. 6, 2014, midnight
Registration Date	March 25, 2014, 6:08 p.m.
Last Update	April 4, 2014, 6:09 p.m.

Affected System

Linux

Linux Kernel 3.13.6 およびそれ以前

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-2014-2523	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-2523
National Vulnerability Database (NVD)
2	CVE-2014-2523	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-2523

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
GitHub
1	netfilter: nf_conntrack_dccp: fix skb_header_pointer API usages	https://github.com/torvalds/linux/commit/b22f5126a24b3b2f15448c3f2a254fc10cbc2b92
Linux Kernel
2	Linux Kernel Archives	http://www.kernel.org
Linux kernel source tree
3	netfilter: nf_conntrack_dccp: fix skb_header_pointer API usages	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b22f5126a24b3b2f15448c3f2a254fc10cbc2b92
Red Hat Bugzilla
4	Bug 1077343	https://bugzilla.redhat.com/show_bug.cgi?id=1077343

Change Log

No	Changed Details	Date of change
0	[2014年03月25日] 掲載 [2014年04月04日] CWE による脆弱性タイプ一覧：内容を更新	Feb. 17, 2018, 10:37 a.m.