NVD Vulnerability Detail

CVE-2015-8787

Summary	The nf_nat_redirect_ipv4 function in net/netfilter/nf_nat_redirect.c in the Linux kernel before 4.4 allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by sending certain IPv4 packets to an incompletely configured interface, a related issue to CVE-2003-1604.
Publication Date	Feb. 8, 2016, 12:59 p.m.
Registration Date	Jan. 26, 2021, 2:58 p.m.
Last Update	Nov. 21, 2024, 11:39 a.m.

CVSS3.1 : CRITICAL
スコア	9.8
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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)	高
完全性への影響(I)	高
可用性への影響(A)	高

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::::::::	4.2			4.4
cpe:2.3:o:linux:linux_kernel::::::::	3.19			4.1.31

Related information, measures and tools

No	URL	タグ
1	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=94f9cd81436c85d8c3a318ba92e236ede73752fc	Issue Tracking Patch Vendor Advisory
2	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=94f9cd81436c85d8c3a318ba92e236ede73752fc	Issue Tracking Patch Vendor Advisory
3	http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176464.html	Third Party Advisory
4	http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176464.html	Third Party Advisory
5	http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html	Third Party Advisory
6	http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html	Third Party Advisory
7	http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html	Third Party Advisory
8	http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html	Third Party Advisory
9	http://www.openwall.com/lists/oss-security/2016/01/27/6	Mailing List
10	http://www.openwall.com/lists/oss-security/2016/01/27/6	Mailing List
11	http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html	Third Party Advisory
12	http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html	Third Party Advisory
13	http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html	Third Party Advisory
14	http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html	Third Party Advisory
15	http://www.ubuntu.com/usn/USN-2889-1	Third Party Advisory
16	http://www.ubuntu.com/usn/USN-2889-1	Third Party Advisory
17	http://www.ubuntu.com/usn/USN-2889-2	Third Party Advisory
18	http://www.ubuntu.com/usn/USN-2889-2	Third Party Advisory
19	http://www.ubuntu.com/usn/USN-2890-1	Third Party Advisory
20	http://www.ubuntu.com/usn/USN-2890-1	Third Party Advisory
21	http://www.ubuntu.com/usn/USN-2890-2	Third Party Advisory
22	http://www.ubuntu.com/usn/USN-2890-2	Third Party Advisory
23	http://www.ubuntu.com/usn/USN-2890-3	Third Party Advisory
24	http://www.ubuntu.com/usn/USN-2890-3	Third Party Advisory
25	https://bugzilla.redhat.com/show_bug.cgi?id=1300731	Issue Tracking
26	https://bugzilla.redhat.com/show_bug.cgi?id=1300731	Issue Tracking
27	https://github.com/torvalds/linux/commit/94f9cd81436c85d8c3a318ba92e236ede73752fc	Issue Tracking Patch Third Party Advisory
28	https://github.com/torvalds/linux/commit/94f9cd81436c85d8c3a318ba92e236ede73752fc	Issue Tracking Patch Third Party Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-476	NULL ポインタデリファレンス	https://cwe.mitre.org/data/definitions/476.html

JVN Vulnerability Information

Linux Kernel の net/netfilter/nf_nat_redirect.c の nf_nat_redirect_ipv4 関数におけるサービス運用妨害 (DoS) の脆弱性

Title	Linux Kernel の net/netfilter/nf_nat_redirect.c の nf_nat_redirect_ipv4 関数におけるサービス運用妨害 (DoS) の脆弱性
Summary	Linux Kernel の net/netfilter/nf_nat_redirect.c の nf_nat_redirect_ipv4 関数には、サービス運用妨害 (NULL ポインタデリファレンスおよびシステムクラッシュ) 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。本脆弱性は、CVE-2003-1604 と関連する問題です。補足情報 : CWE による脆弱性タイプは、CWE-476: NULL Pointer Dereference (NULL ポインタデリファレンス) と識別されています。 http://cwe.mitre.org/data/definitions/476.html
Possible impacts	第三者により、不完全に設定されたインターフェースへ特定の IPv4 パケットを送信されることで、サービス運用妨害 (NULL ポインタデリファレンスおよびシステムクラッシュ) 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	Oct. 27, 2015, midnight
Registration Date	Feb. 26, 2016, 4:34 p.m.
Last Update	Feb. 26, 2016, 4:34 p.m.

Affected System

Linux

Linux Kernel 4.4 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-2015-8787	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8787
2	CVE-2015-8787	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8787
National Vulnerability Database (NVD)
3	CVE-2015-8787	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-8787
4	CVE-2015-8787	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-8787

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
2	CWE-Other	https://www.ipa.go.jp/security/vuln/CWE.html#CWEOther

ベンダー情報

No	Name	URL
GitHub
1	netfilter: nf_nat_redirect: add missing NULL pointer check	https://github.com/torvalds/linux/commit/94f9cd81436c85d8c3a318ba92e236ede73752fc
2	netfilter: nf_nat_redirect: add missing NULL pointer check	https://github.com/torvalds/linux/commit/94f9cd81436c85d8c3a318ba92e236ede73752fc
Linux Kernel
3	Linux Kernel Archives	http://www.kernel.org
4	Linux Kernel Archives	http://www.kernel.org
Linux kernel source tree
5	netfilter: nf_nat_redirect: add missing NULL pointer check	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=94f9cd81436c85d8c3a318ba92e236ede73752fc
6	netfilter: nf_nat_redirect: add missing NULL pointer check	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=94f9cd81436c85d8c3a318ba92e236ede73752fc
Red Hat Bugzilla
7	Bug 1300731	https://bugzilla.redhat.com/show_bug.cgi?id=1300731
8	Bug 1300731	https://bugzilla.redhat.com/show_bug.cgi?id=1300731

Change Log

No	Changed Details	Date of change
0	[2016年02月26日] 掲載	Feb. 17, 2018, 10:37 a.m.
0	[2016年02月26日] 掲載	Feb. 17, 2018, 10:37 a.m.