NVD Vulnerability Detail

CVE-2021-25214

Summary	In BIND 9.8.5 -> 9.8.8, 9.9.3 -> 9.11.29, 9.12.0 -> 9.16.13, and versions BIND 9.9.3-S1 -> 9.11.29-S1 and 9.16.8-S1 -> 9.16.13-S1 of BIND 9 Supported Preview Edition, as well as release versions 9.17.0 -> 9.17.11 of the BIND 9.17 development branch, when a vulnerable version of named receives a malformed IXFR triggering the flaw described above, the named process will terminate due to a failed assertion the next time the transferred secondary zone is refreshed.
Publication Date	April 29, 2021, 10:15 a.m.
Registration Date	April 29, 2021, 4:04 p.m.
Last Update	Nov. 21, 2024, 2:54 p.m.

CVSS3.1 : MEDIUM
スコア	6.5
Vector	CVSS:3.1/AV:N/AC:L/PR:L/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)	低
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	4.0
Vector	AV:N/AC:L/Au:S/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)	単一
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:a:isc:bind:9.11.7:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.3:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.6:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.10.5:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.5:s5:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.5:s3:::supported_preview:::*
cpe:2.3:a:isc:bind:9.9.3:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.10.7:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.5:s6:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.12:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.8:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.9.12:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.9.13:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.21:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.16.8:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.16.11:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.27:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.16.13:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.29:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:::::-:::*	9.8.5	9.8.8
cpe:2.3:a:isc:bind:::::-:::*	9.9.3			9.11.31
cpe:2.3:a:isc:bind:::::-:::*	9.12.0			9.16.15
cpe:2.3:a:isc:bind:::::-:::*	9.17.0			9.17.12

Configuration2	or higher	or less	more than	less than
cpe:2.3:o:debian:debian_linux:9.0:::::::*
cpe:2.3:o:debian:debian_linux:10.0:::::::*

Configuration3	or higher	or less	more than	less than
cpe:2.3:o:fedoraproject:fedora:33:::::::*
cpe:2.3:o:fedoraproject:fedora:34:::::::*

Configuration4		or higher	or less	more than	less than
cpe:2.3:a:siemens:sinec_infrastructure_network_services::::::::					1.0.1.1

Configuration5	or higher	or less	more than	less than
cpe:2.3:a:netapp:cloud_backup:-:::::::*
cpe:2.3:a:netapp:active_iq_unified_manager:-:::::vsphere::

Configuration6		or higher	or less	more than	less than
cpe:2.3:o:netapp:aff_a250_firmware:-:::::::*
execution environment
1	cpe:2.3:h:netapp:aff_a250:-:::::::*

Configuration7		or higher	or less	more than	less than
cpe:2.3:o:netapp:aff_500f_firmware:-:::::::*
execution environment
1	cpe:2.3:h:netapp:aff_500f:-:::::::*

Configuration8		or higher	or less	more than	less than
cpe:2.3:o:netapp:h300s_firmware:-:::::::*
execution environment
1	cpe:2.3:h:netapp:h300s:-:::::::*

Configuration9		or higher	or less	more than	less than
cpe:2.3:o:netapp:h500s_firmware:-:::::::*
execution environment
1	cpe:2.3:h:netapp:h500s:-:::::::*

Configuration10		or higher	or less	more than	less than
cpe:2.3:o:netapp:h700s_firmware:-:::::::*
execution environment
1	cpe:2.3:h:netapp:h700s:-:::::::*

Configuration11		or higher	or less	more than	less than
cpe:2.3:o:netapp:h300e_firmware:-:::::::*
execution environment
1	cpe:2.3:h:netapp:h300e:-:::::::*

Configuration12		or higher	or less	more than	less than
cpe:2.3:o:netapp:h500e_firmware:-:::::::*
execution environment
1	cpe:2.3:h:netapp:h500e:-:::::::*

Configuration13		or higher	or less	more than	less than
cpe:2.3:o:netapp:h700e_firmware:-:::::::*
execution environment
1	cpe:2.3:h:netapp:h700e:-:::::::*

Configuration14		or higher	or less	more than	less than
cpe:2.3:o:netapp:h410s_firmware:-:::::::*
execution environment
1	cpe:2.3:h:netapp:h410s:-:::::::*

Related information, measures and tools

No	URL	タグ
1	http://www.openwall.com/lists/oss-security/2021/04/29/1	Mailing List Third Party Advisory
2	http://www.openwall.com/lists/oss-security/2021/04/29/1	Mailing List Third Party Advisory
3	http://www.openwall.com/lists/oss-security/2021/04/29/2	Mailing List Third Party Advisory
4	http://www.openwall.com/lists/oss-security/2021/04/29/2	Mailing List Third Party Advisory
5	http://www.openwall.com/lists/oss-security/2021/04/29/3	Mailing List Third Party Advisory
6	http://www.openwall.com/lists/oss-security/2021/04/29/3	Mailing List Third Party Advisory
7	http://www.openwall.com/lists/oss-security/2021/04/29/4	Mailing List Third Party Advisory
8	http://www.openwall.com/lists/oss-security/2021/04/29/4	Mailing List Third Party Advisory
9	https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf	Patch Third Party Advisory
10	https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf	Patch Third Party Advisory
11	https://kb.isc.org/v1/docs/cve-2021-25214	Vendor Advisory
12	https://kb.isc.org/v1/docs/cve-2021-25214	Vendor Advisory
13	https://lists.debian.org/debian-lts-announce/2021/05/msg00001.html	Mailing List Third Party Advisory
14	https://lists.debian.org/debian-lts-announce/2021/05/msg00001.html	Mailing List Third Party Advisory
15	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VEC2XG4Q2ODTN2C4CGXEIXU3EUTBMK7L/
16	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VEC2XG4Q2ODTN2C4CGXEIXU3EUTBMK7L/
17	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZDSRPCJQ7MZC6CENH5PO3VQOFI7VSWBE/
18	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZDSRPCJQ7MZC6CENH5PO3VQOFI7VSWBE/
19	https://security.netapp.com/advisory/ntap-20210521-0006/	Third Party Advisory
20	https://security.netapp.com/advisory/ntap-20210521-0006/	Third Party Advisory
21	https://www.debian.org/security/2021/dsa-4909	Third Party Advisory
22	https://www.debian.org/security/2021/dsa-4909	Third Party Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-617	到達可能なアサーション	https://cwe.mitre.org/data/definitions/617.html

JVN Vulnerability Information

BIND の named における到達可能なアサーションに関する脆弱性

Title	BIND の named における到達可能なアサーションに関する脆弱性
Summary	BIND の named には、欠陥のトリガとなる不正な形式の IXFR を受信した場合、転送されたセカンダリゾーンの次回更新時のアサーションに失敗するため、到達可能なアサーションに関する脆弱性が存在します。
Possible impacts	named プロセスを終了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	April 28, 2021, midnight
Registration Date	July 19, 2022, 12:25 p.m.
Last Update	July 19, 2022, 12:25 p.m.

Affected System

ISC, Inc.

BIND 9.12.0 から 9.16.13

BIND 9.16.8-S1 から 9.16.13-S1 (BIND 9 Supported Preview Edition)

BIND 9.17.0 から 9.17.11 (BIND 9.17 development branch)

BIND 9.8.5 から 9.8.8

BIND 9.9.3 から 9.11.29

BIND 9.9.3-S1 から 9.11.29-S1 (BIND 9 Supported Preview Edition)

Debian

Debian GNU/Linux

Fedora Project

Fedora

NetApp

Active IQ Unified Manager

AFF 500Fファームウェア

AFF A250 ファームウェア

H300E ファームウェア

H300S ファームウェア

H410S ファームウェア

H500E ファームウェア

H500S ファームウェア

H700E ファームウェア

H700S ファームウェア

シーメンス

SINEC Infrastructure Network Services

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-2021-25214	https://www.cve.org/CVERecord?id=CVE-2021-25214
Knowledge Base
2	CVE-2021-25214: A broken inbound incremental zone update (IXFR) can cause named to terminate unexpectedly	https://kb.isc.org/v1/docs/CVE-2021-25214
National Vulnerability Database (NVD)
3	CVE-2021-25214	https://nvd.nist.gov/vuln/detail/CVE-2021-25214

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-617	http://cwe.mitre.org/data/definitions/617.html

ベンダー情報

No	Name	URL
Debian
1	[SECURITY] [DLA 2647-1] bind9 security update	https://lists.debian.org/debian-lts-announce/2021/05/msg00001.html
Debian Security Advisory
2	DSA-4909-1	https://www.debian.org/security/2021/dsa-4909
Fedora Update Notification
3	FEDORA-2021-47f23870ec	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZDSRPCJQ7MZC6CENH5PO3VQOFI7VSWBE/
4	FEDORA-2021-ace61cbee1	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VEC2XG4Q2ODTN2C4CGXEIXU3EUTBMK7L/
NetApp Advisory
5	NTAP-20210521-0006	https://security.netapp.com/advisory/ntap-20210521-0006/
Siemens Security Advisory
6	SSA-389290	https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf

その他

No	Name	URL
JVN
1	JVNVU#94179101	https://jvn.jp/vu/JVNVU94179101/

Change Log

No	Changed Details	Date of change
1	[2022年07月19日] 掲載	July 19, 2022, 12:25 p.m.

Configuration1	or higher	or less	more than	less than
cpe:2.3:a:isc:bind:9.11.7:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.3:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.6:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.10.5:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.5:s5:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.5:s3:::supported_preview:::*
cpe:2.3:a:isc:bind:9.9.3:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.10.7:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.5:s6:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.12:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.8:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.9.12:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.9.13:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.21:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.16.8:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.16.11:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.27:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.16.13:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.29:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:::::-:::*	9.8.5	9.8.8
cpe:2.3:a:isc:bind:::::-:::*	9.9.3			9.11.31
cpe:2.3:a:isc:bind:::::-:::*	9.12.0			9.16.15
cpe:2.3:a:isc:bind:::::-:::*	9.17.0			9.17.12