NVD Vulnerability Detail

CVE-2002-2438

Summary	TCP firewalls could be circumvented by sending a SYN Packets with other flags (like e.g. RST flag) set, which was not correctly discarded by the Linux TCP stack after firewalling.
Publication Date	May 18, 2021, 9:15 p.m.
Registration Date	May 19, 2021, 9:41 a.m.
Last Update	Nov. 21, 2024, 8:43 a.m.

CVSS3.1 : HIGH
スコア	7.5
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
攻撃元区分(AV)	ネットワーク
攻撃条件の複雑さ(AC)	低
攻撃に必要な特権レベル(PR)	不要
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)	なし
完全性への影響(I)	なし
可用性への影響(A)	高

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::::::::					2.4.20

Related information, measures and tools

No	URL	タグ
1	http://www.openwall.com/lists/oss-security/2012/02/03/7	Mailing List Patch Third Party Advisory
2	http://www.openwall.com/lists/oss-security/2012/02/03/7	Mailing List Patch Third Party Advisory
3	http://www.openwall.com/lists/oss-security/2012/05/29/8	Mailing List Patch Third Party Advisory
4	http://www.openwall.com/lists/oss-security/2012/05/29/8	Mailing List Patch Third Party Advisory
5	http://www.openwall.com/lists/oss-security/2012/05/30/11	Exploit Mailing List Third Party Advisory
6	http://www.openwall.com/lists/oss-security/2012/05/30/11	Exploit Mailing List Third Party Advisory
7	http://www.openwall.com/lists/oss-security/2012/05/30/12	Mailing List Third Party Advisory
8	http://www.openwall.com/lists/oss-security/2012/05/30/12	Mailing List Third Party Advisory
9	http://www.openwall.com/lists/oss-security/2012/05/30/13	Mailing List Third Party Advisory
10	http://www.openwall.com/lists/oss-security/2012/05/30/13	Mailing List Third Party Advisory
11	http://www.openwall.com/lists/oss-security/2012/05/30/2	Mailing List Patch Third Party Advisory
12	http://www.openwall.com/lists/oss-security/2012/05/30/2	Mailing List Patch Third Party Advisory
13	http://www.openwall.com/lists/oss-security/2012/05/30/4	Mailing List Third Party Advisory
14	http://www.openwall.com/lists/oss-security/2012/05/30/4	Mailing List Third Party Advisory
15	http://www.openwall.com/lists/oss-security/2012/05/30/8	Mailing List Third Party Advisory
16	http://www.openwall.com/lists/oss-security/2012/05/30/8	Mailing List Third Party Advisory
17	http://www.openwall.com/lists/oss-security/2012/05/30/9	Mailing List Third Party Advisory
18	http://www.openwall.com/lists/oss-security/2012/05/30/9	Mailing List Third Party Advisory
19	http://www.openwall.com/lists/oss-security/2012/05/31/3	Mailing List Patch Third Party Advisory
20	http://www.openwall.com/lists/oss-security/2012/05/31/3	Mailing List Patch Third Party Advisory
21	http://www.openwall.com/lists/oss-security/2014/02/12/8	Mailing List Third Party Advisory
22	http://www.openwall.com/lists/oss-security/2014/02/12/8	Mailing List Third Party Advisory
23	https://bugzilla.suse.com/show_bug.cgi?id=744994%2C
24	https://bugzilla.suse.com/show_bug.cgi?id=744994%2C
25	https://security.netapp.com/advisory/ntap-20210727-0003/
26	https://security.netapp.com/advisory/ntap-20210727-0003/
27	https://www.kb.cert.org/vuls/id/464113	Third Party Advisory US Government Resource
28	https://www.kb.cert.org/vuls/id/464113	Third Party Advisory US Government Resource
29	https://www.kb.cert.org/vuls/id/464113%2C
30	https://www.kb.cert.org/vuls/id/464113%2C
31	https://www.openwall.com/lists/oss-security/2012/02/03/7	Mailing List Patch Third Party Advisory
32	https://www.openwall.com/lists/oss-security/2012/02/03/7	Mailing List Patch Third Party Advisory

Common Vulnerabilities List

JVN Vulnerability Information

Linux Kernel における認証に関する脆弱性

Title	Linux Kernel における認証に関する脆弱性
Summary	Linux Kernel には、認証に関する脆弱性が存在します。
Possible impacts	サービス運用妨害 (DoS) 状態にされる可能性があります。
Solution	ベンダ情報および参考情報を参照して適切な対策を実施してください。
Publication Date	Feb. 3, 2012, midnight
Registration Date	Feb. 2, 2022, 6:09 p.m.
Last Update	Feb. 2, 2022, 6:09 p.m.

Affected System

Linux

Linux Kernel

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-2002-2438	https://www.cve.org/CVERecord?id=CVE-2002-2438
National Vulnerability Database (NVD)
2	CVE-2002-2438	https://nvd.nist.gov/vuln/detail/CVE-2002-2438

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-287	https://jvndb.jvn.jp/ja/cwe/CWE-287.html

ベンダー情報

No	Name	URL
Linux Kernel
1	Linux Kernel Archives	http://www.kernel.org

その他

No	Name	URL
US-CERT Vulnerability Note
1	VU#464113	https://www.kb.cert.org/vuls/id/464113
関連文書
2	CVE Request -- kernel: tcp: drop SYN+FIN messages	https://www.openwall.com/lists/oss-security/2012/05/30/2
3	Re: CVE Request (2002): Linux TCP stack could accept invalid TCP flag combinations (2012/05/29/8)	https://www.openwall.com/lists/oss-security/2012/05/29/8
4	Re: CVE Request (2002): Linux TCP stack could accept invalid TCP flag combinations (2012/02/03/7)	http://www.openwall.com/lists/oss-security/2012/02/03/7
5	Re: CVE Request -- kernel: tcp: drop SYN+FIN messages	https://www.openwall.com/lists/oss-security/2012/05/31/3

Change Log

No	Changed Details	Date of change
1	[2022年02月02日] 掲載	Feb. 2, 2022, 6:09 p.m.