NVD Vulnerability Detail

CVE-2021-20298

Summary	A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a crafted file to be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this vulnerability is to system availability.
Publication Date	Aug. 24, 2022, 1:15 a.m.
Registration Date	Aug. 24, 2022, 10 a.m.
Last Update	Nov. 21, 2024, 2:46 p.m.

Affected software configurations

Configuration1		or higher	or less	more than	less than
cpe:2.3:a:openexr:openexr::::::::			2.5.7

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

Related information, measures and tools

No	URL	タグ
1	https://access.redhat.com/security/cve/CVE-2021-20298	Third Party Advisory
2	https://access.redhat.com/security/cve/CVE-2021-20298	Third Party Advisory
3	https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25913	Mailing List Third Party Advisory
4	https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25913	Mailing List Third Party Advisory
5	https://bugzilla.redhat.com/show_bug.cgi?id=1939156	Issue Tracking Third Party Advisory
6	https://bugzilla.redhat.com/show_bug.cgi?id=1939156	Issue Tracking Third Party Advisory
7	https://github.com/AcademySoftwareFoundation/openexr/commit/85fd638ae0d5fa132434f4cbf32590261c1dba97	Patch Third Party Advisory
8	https://github.com/AcademySoftwareFoundation/openexr/commit/85fd638ae0d5fa132434f4cbf32590261c1dba97	Patch Third Party Advisory
9	https://github.com/AcademySoftwareFoundation/openexr/pull/843	Patch Third Party Advisory
10	https://github.com/AcademySoftwareFoundation/openexr/pull/843	Patch Third Party Advisory
11	https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html	Mailing List Third Party Advisory
12	https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html	Mailing List Third Party Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-787	境界外書き込み	https://cwe.mitre.org/data/definitions/787.html

JVN Vulnerability Information

OpenEXR の OpenEXR 他複数ベンダの製品における境界外書き込みに関する脆弱性

Title	OpenEXR の OpenEXR 他複数ベンダの製品における境界外書き込みに関する脆弱性
Summary	OpenEXR の OpenEXR 他複数ベンダの製品には、境界外書き込み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	ベンダアドバイザリまたはパッチ情報が公開されています。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	Aug. 23, 2022, midnight
Registration Date	Sept. 27, 2023, 5:48 p.m.
Last Update	Sept. 27, 2023, 5:48 p.m.

Affected System

Debian

Debian GNU/Linux 10.0

OpenEXR

OpenEXR 2.5.7 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-2021-20298	https://www.cve.org/CVERecord?id=CVE-2021-20298
National Vulnerability Database (NVD)
2	CVE-2021-20298	https://nvd.nist.gov/vuln/detail/CVE-2021-20298

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-787	https://cwe.mitre.org/data/definitions/787.html

その他

No	Name	URL
関連文書
1	access.redhat.com (CVE-2021-20298)	https://access.redhat.com/security/cve/CVE-2021-20298
2	bugs.chromium.org (25913)	https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25913
3	bugzilla.redhat.com (1939156)	https://bugzilla.redhat.com/show_bug.cgi?id=1939156
4	github.com (85fd638ae0d5fa132434f4cbf32590261c1dba97)	https://github.com/AcademySoftwareFoundation/openexr/commit/85fd638ae0d5fa132434f4cbf32590261c1dba97
5	github.com (pull/843)	https://github.com/AcademySoftwareFoundation/openexr/pull/843
6	lists.debian.org (msg00022)	https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html

Change Log

No	Changed Details	Date of change
1	[2023年09月27日] 掲載	Sept. 27, 2023, 5:48 p.m.