製品・ソフトウェアに関する情報

JVN脆弱性詳細

Microsoft .NET Framework および .NET Core におけるサービス運用妨害 (DoS) にされる脆弱性

Title	Microsoft .NET Framework および .NET Core におけるサービス運用妨害 (DoS) にされる脆弱性
Summary	Microsoft .NET Framework および .NET Core には、XML ドキュメントを不適切に処理する場合、サービス運用妨害 (DoS) にされる脆弱性が存在します。ベンダは、本脆弱性を「.NET および .NET Core のサービス拒否の脆弱性」として公開しています。
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	May 8, 2018, midnight
Registration Date	June 15, 2018, 2:33 p.m.
Last Update	June 15, 2018, 2:33 p.m.

CVSS3.0 : 重要
Score	7.5
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS2.0 : 警告
Score	5
Vector	AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected System

マイクロソフト

.NET Core 2.0

Microsoft .NET Framework 2.0 SP2

Microsoft .NET Framework 3.5

Microsoft .NET Framework 3.5.1

Microsoft .NET Framework 4.5.2

Microsoft .NET Framework 4.6

Microsoft .NET Framework 4.6.1

Microsoft .NET Framework 4.6.2

Microsoft .NET Framework 4.7

Microsoft .NET Framework 4.7.1

Microsoft .NET Framework 4.7.2

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-2018-0765	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-0765
National Vulnerability Database (NVD)
2	CVE-2018-0765	https://nvd.nist.gov/vuln/detail/CVE-2018-0765
Security TechCenter
3	CVE-2018-0765 \| .NET and .NET Core Denial of Service Vulnerability	https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0765
セキュリティ TechCenter
4	CVE-2018-0765 \| .NET および .NET Core のサービス拒否の脆弱性	https://portal.msrc.microsoft.com/ja-JP/security-guidance/advisory/CVE-2018-0765

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-611	https://cwe.mitre.org/data/definitions/611.html

その他

No	Name	URL
IPA 重要なセキュリティ情報
1	Microsoft 製品の脆弱性対策について(2018年5月)	https://www.ipa.go.jp/security/ciadr/vul/20180509-ms.html
JPCERT 注意喚起
2	JPCERT-AT-2018-0021	http://www.jpcert.or.jp/at/2018/at180021.html

Change Log

No	Changed Details	Date of change
1	[2018年06月15日] 掲載	June 15, 2018, 2:33 p.m.

NVD Vulnerability Information

CVE-2018-0765

Summary	A denial of service vulnerability exists when .NET and .NET Core improperly process XML documents, aka ".NET and .NET Core Denial of Service Vulnerability." This affects Microsoft .NET Framework 2.0, Microsoft .NET Framework 3.0, Microsoft .NET Framework 4.7.1, Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1, Microsoft .NET Framework 4.5.2, Microsoft .NET Framework 4.7/4.7.1, Microsoft .NET Framework 4.6, Microsoft .NET Framework 3.5, Microsoft .NET Framework 3.5.1, Microsoft .NET Framework 4.6/4.6.1/4.6.2, Microsoft .NET Framework 4.6.2/4.7/4.7.1, .NET Core 2.0, Microsoft .NET Framework 4.7.2.
Publication Date	May 10, 2018, 4:29 a.m.
Registration Date	March 1, 2021, 6:38 p.m.
Last Update	Nov. 21, 2024, 12:38 p.m.

Affected software configurations

Configuration1		or higher	or less	more than	less than
cpe:2.3:a:microsoft:.net_core:2.0:::::::*

Configuration2		or higher	or less	more than	less than
cpe:2.3:a:microsoft:.net_framework:2.0:sp2::::::
cpe:2.3:a:microsoft:.net_framework:3.0:sp2::::::
execution environment
1	cpe:2.3:o:microsoft:windows_server_2008::sp2::::::*

Configuration3		or higher	or less	more than	less than
cpe:2.3:a:microsoft:.net_framework:3.5:::::::*
execution environment
1	cpe:2.3:o:microsoft:windows_10:-:::::::*
2	cpe:2.3:o:microsoft:windows_10:1607:::::::*
3	cpe:2.3:o:microsoft:windows_10:1703:::::::*
4	cpe:2.3:o:microsoft:windows_10:1709:::::::*
5	cpe:2.3:o:microsoft:windows_10:1803:::::::*
6	cpe:2.3:o:microsoft:windows_8.1::::::::
7	cpe:2.3:o:microsoft:windows_server_2012::::::::
8	cpe:2.3:o:microsoft:windows_server_2012:r2:::::::*
9	cpe:2.3:o:microsoft:windows_server_2016:-:::::::*
10	cpe:2.3:o:microsoft:windows_server_2016:1803:::::::*

Configuration4		or higher	or less	more than	less than
cpe:2.3:a:microsoft:.net_framework:3.5.1:::::::*
execution environment
1	cpe:2.3:o:microsoft:windows_7:-:sp1::::::
2	cpe:2.3:o:microsoft:windows_server_2008:r2:sp1::::::

Configuration5		or higher	or less	more than	less than
cpe:2.3:a:microsoft:.net_framework:4.5.2:::::::*
execution environment
1	cpe:2.3:o:microsoft:windows_7:-:sp1::::::
2	cpe:2.3:o:microsoft:windows_8.1::::::::
3	cpe:2.3:o:microsoft:windows_rt_8.1:-:::::::*
4	cpe:2.3:o:microsoft:windows_server_2008::sp2::::::*
5	cpe:2.3:o:microsoft:windows_server_2008:r2:sp1::::::
6	cpe:2.3:o:microsoft:windows_server_2012::::::::
7	cpe:2.3:o:microsoft:windows_server_2012:r2:::::::*

Configuration6		or higher	or less	more than	less than
cpe:2.3:a:microsoft:.net_framework:4.6:::::::*
execution environment
1	cpe:2.3:o:microsoft:windows_server_2008::sp2::::::*

Configuration7		or higher	or less	more than	less than
cpe:2.3:a:microsoft:.net_framework:4.6.2:::::::*
cpe:2.3:a:microsoft:.net_framework:4.7:::::::*
cpe:2.3:a:microsoft:.net_framework:4.7.1:::::::*
execution environment
1	cpe:2.3:o:microsoft:windows_10:1607:::::::*
2	cpe:2.3:o:microsoft:windows_server_2016:-:::::::*

Configuration8		or higher	or less	more than	less than
cpe:2.3:a:microsoft:.net_framework:4.6:::::::*
cpe:2.3:a:microsoft:.net_framework:4.6.1:::::::*
cpe:2.3:a:microsoft:.net_framework:4.6.2:::::::*
execution environment
1	cpe:2.3:o:microsoft:windows_10:-:::::::*

Configuration9		or higher	or less	more than	less than
cpe:2.3:a:microsoft:.net_framework:4.6:::::::*
cpe:2.3:a:microsoft:.net_framework:4.6.1:::::::*
cpe:2.3:a:microsoft:.net_framework:4.6.2:::::::*
cpe:2.3:a:microsoft:.net_framework:4.7:::::::*
cpe:2.3:a:microsoft:.net_framework:4.7.1:::::::*
execution environment
1	cpe:2.3:o:microsoft:windows_7:-:sp1::::::
2	cpe:2.3:o:microsoft:windows_8.1::::::::
3	cpe:2.3:o:microsoft:windows_rt_8.1:-:::::::*
4	cpe:2.3:o:microsoft:windows_server_2008:r2:sp1::::::
5	cpe:2.3:o:microsoft:windows_server_2012::::::::
6	cpe:2.3:o:microsoft:windows_server_2012:r2:::::::*

Configuration10		or higher	or less	more than	less than
cpe:2.3:a:microsoft:.net_framework:4.7.1:::::::*
execution environment
1	cpe:2.3:o:microsoft:windows_10:1709:::::::*

Configuration11		or higher	or less	more than	less than
cpe:2.3:a:microsoft:.net_framework:4.7.2:::::::*
execution environment
1	cpe:2.3:o:microsoft:windows_10:1803:::::::*

Configuration12		or higher	or less	more than	less than
cpe:2.3:a:microsoft:.net_framework:4.7:::::::*
cpe:2.3:a:microsoft:.net_framework:4.7.1:::::::*
execution environment
1	cpe:2.3:o:microsoft:windows_10:1703:::::::*

Related information, measures and tools

No	URL	タグ
1	http://www.securityfocus.com/bid/104060	Third Party Advisory VDB Entry
2	http://www.securityfocus.com/bid/104060	Third Party Advisory VDB Entry
3	http://www.securitytracker.com/id/1040851	Third Party Advisory VDB Entry
4	http://www.securitytracker.com/id/1040851	Third Party Advisory VDB Entry
5	https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0765	Patch Vendor Advisory
6	https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0765	Patch Vendor Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-611	XML 外部エンティティ参照の不適切な制限	https://cwe.mitre.org/data/definitions/611.html

Configuration3		or higher	or less	more than	less than
cpe:2.3:a:microsoft:.net_framework:3.5:::::::*
execution environment
1	cpe:2.3:o:microsoft:windows_10:-:::::::*
2	cpe:2.3:o:microsoft:windows_10:1607:::::::*
3	cpe:2.3:o:microsoft:windows_10:1703:::::::*
4	cpe:2.3:o:microsoft:windows_10:1709:::::::*
5	cpe:2.3:o:microsoft:windows_10:1803:::::::*
6	cpe:2.3:o:microsoft:windows_8.1::::::::
7	cpe:2.3:o:microsoft:windows_server_2012::::::::
8	cpe:2.3:o:microsoft:windows_server_2012:r2:::::::*
9	cpe:2.3:o:microsoft:windows_server_2016:-:::::::*
10	cpe:2.3:o:microsoft:windows_server_2016:1803:::::::*

Configuration5		or higher	or less	more than	less than
cpe:2.3:a:microsoft:.net_framework:4.5.2:::::::*
execution environment
1	cpe:2.3:o:microsoft:windows_7:-:sp1::::::
2	cpe:2.3:o:microsoft:windows_8.1::::::::
3	cpe:2.3:o:microsoft:windows_rt_8.1:-:::::::*
4	cpe:2.3:o:microsoft:windows_server_2008::sp2::::::*
5	cpe:2.3:o:microsoft:windows_server_2008:r2:sp1::::::
6	cpe:2.3:o:microsoft:windows_server_2012::::::::
7	cpe:2.3:o:microsoft:windows_server_2012:r2:::::::*

Configuration9		or higher	or less	more than	less than
cpe:2.3:a:microsoft:.net_framework:4.6:::::::*
cpe:2.3:a:microsoft:.net_framework:4.6.1:::::::*
cpe:2.3:a:microsoft:.net_framework:4.6.2:::::::*
cpe:2.3:a:microsoft:.net_framework:4.7:::::::*
cpe:2.3:a:microsoft:.net_framework:4.7.1:::::::*
execution environment
1	cpe:2.3:o:microsoft:windows_7:-:sp1::::::
2	cpe:2.3:o:microsoft:windows_8.1::::::::
3	cpe:2.3:o:microsoft:windows_rt_8.1:-:::::::*
4	cpe:2.3:o:microsoft:windows_server_2008:r2:sp1::::::
5	cpe:2.3:o:microsoft:windows_server_2012::::::::
6	cpe:2.3:o:microsoft:windows_server_2012:r2:::::::*