NVD Vulnerability Detail

CVE-2020-11765

Summary	An issue was discovered in OpenEXR before 2.4.1. There is an off-by-one error in use of the ImfXdr.h read function by DwaCompressor::Classifier::Classifier, leading to an out-of-bounds read.
Publication Date	April 15, 2020, 8:15 a.m.
Registration Date	Jan. 26, 2021, 11:51 a.m.
Last Update	Nov. 21, 2024, 1:58 p.m.

CVSS3.1 : MEDIUM
スコア	5.5
Vector	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
攻撃元区分(AV)	ローカル
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)	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	4.3
Vector	AV:N/AC:M/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)	中
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	はい

Affected software configurations

Configuration1		or higher	or less	more than	less than
cpe:2.3:a:openexr:openexr::::::::					2.4.1

Configuration2		or higher	or less	more than	less than
cpe:2.3:o:fedoraproject:fedora:32:::::::*

Configuration3		or higher	or less	more than	less than
cpe:2.3:o:opensuse:leap:15.1:::::::*

Configuration4	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:::::::*

Configuration5	or higher	or less	more than	less than
cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:19.10:::::::*
cpe:2.3:o:canonical:ubuntu_linux:20.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:16.04::::esm:::

Configuration6	or higher	or less	more than	less than
cpe:2.3:o:apple:tvos::::::::				13.4.8
cpe:2.3:o:apple:iphone_os::::::::				13.6
cpe:2.3:a:apple:icloud::::::windows::*				7.20
cpe:2.3:a:apple:itunes::::::windows::*				12.10.8
cpe:2.3:o:apple:watchos::::::::				6.2.8
cpe:2.3:a:apple:icloud::::::windows::*	10.0			11.3
cpe:2.3:o:apple:ipados::::::::				13.6
cpe:2.3:o:apple:mac_os_x::::::::	10.13.0			10.13.6
cpe:2.3:o:apple:mac_os_x::::::::	10.14.0			10.14.6
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001::::::
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002::::::
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003::::::
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007::::::
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004::::::
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005::::::
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006::::::
cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update::::::
cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update_2::::::
cpe:2.3:o:apple:mac_os_x:10.14.6:-::::::
cpe:2.3:o:apple:mac_os_x::::::::	10.15			10.15.6
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2020-001::::::
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2020-002::::::
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2020-003::::::
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2018-003::::::
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2018-002::::::
cpe:2.3:o:apple:mac_os_x:10.13.6:supplemental_update::::::
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-003::::::
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-002::::::
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-001::::::
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-007::::::
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-006::::::
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-005::::::
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-004::::::
cpe:2.3:o:apple:mac_os_x:10.13.6:-::::::
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001::::::
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002::::::

Related information, measures and tools

No	URL	タグ
1	http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00051.html	Mailing List Third Party Advisory
2	https://bugs.chromium.org/p/project-zero/issues/detail?id=1987	Exploit Third Party Advisory
3	https://github.com/AcademySoftwareFoundation/openexr/blob/master/CHANGES.md#version-241-february-11-2020	Release Notes Third Party Advisory
4	https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v2.4.1	Release Notes Third Party Advisory
5	https://lists.debian.org/debian-lts-announce/2020/08/msg00056.html	Mailing List Third Party Advisory
6	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F4KFGDQG5PVYAU7TS5MZ7XCS6EMPVII3/
7	https://security.gentoo.org/glsa/202107-27	Third Party Advisory
8	https://support.apple.com/kb/HT211288	Third Party Advisory
9	https://support.apple.com/kb/HT211289	Third Party Advisory
10	https://support.apple.com/kb/HT211290	Third Party Advisory
11	https://support.apple.com/kb/HT211291	Third Party Advisory
12	https://support.apple.com/kb/HT211293	Third Party Advisory
13	https://support.apple.com/kb/HT211294	Third Party Advisory
14	https://support.apple.com/kb/HT211295	Third Party Advisory
15	https://usn.ubuntu.com/4339-1/	Third Party Advisory
16	https://www.debian.org/security/2020/dsa-4755	Third Party Advisory
17	http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00051.html	Mailing List Third Party Advisory
18	https://www.debian.org/security/2020/dsa-4755	Third Party Advisory
19	https://usn.ubuntu.com/4339-1/	Third Party Advisory
20	https://support.apple.com/kb/HT211295	Third Party Advisory
21	https://support.apple.com/kb/HT211294	Third Party Advisory
22	https://support.apple.com/kb/HT211293	Third Party Advisory
23	https://support.apple.com/kb/HT211291	Third Party Advisory
24	https://support.apple.com/kb/HT211290	Third Party Advisory
25	https://support.apple.com/kb/HT211289	Third Party Advisory
26	https://support.apple.com/kb/HT211288	Third Party Advisory
27	https://security.gentoo.org/glsa/202107-27	Third Party Advisory
28	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F4KFGDQG5PVYAU7TS5MZ7XCS6EMPVII3/
29	https://lists.debian.org/debian-lts-announce/2020/08/msg00056.html	Mailing List Third Party Advisory
30	https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v2.4.1	Release Notes Third Party Advisory
31	https://github.com/AcademySoftwareFoundation/openexr/blob/master/CHANGES.md#version-241-february-11-2020	Release Notes Third Party Advisory
32	https://bugs.chromium.org/p/project-zero/issues/detail?id=1987	Exploit Third Party Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-125	境界外読み取り	https://cwe.mitre.org/data/definitions/125.html
2	CWE-193	境界条件の判定	https://cwe.mitre.org/data/definitions/193.html

JVN Vulnerability Information

OpenEXR における境界条件の判定に関する脆弱性

Title	OpenEXR における境界条件の判定に関する脆弱性
Summary	OpenEXR には、境界条件の判定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	Feb. 11, 2020, midnight
Registration Date	May 7, 2020, 11:42 a.m.
Last Update	May 7, 2020, 11:42 a.m.

Affected System

OpenEXR

OpenEXR 2.4.1 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-2020-11765	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11765
National Vulnerability Database (NVD)
2	CVE-2020-11765	https://nvd.nist.gov/vuln/detail/CVE-2020-11765

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-193	https://cwe.mitre.org/data/definitions/193.html

ベンダー情報

No	Name	URL
GitHub
1	AcademySoftwareFoundation/openexr	https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v2.4.1
2	OpenEXR Release Notes	https://github.com/AcademySoftwareFoundation/openexr/blob/master/CHANGES.md#version-241-february-11-2020

Change Log

No	Changed Details	Date of change
1	[2020年05月07日] 掲載	May 7, 2020, 11:42 a.m.

Configuration6	or higher	or less	more than	less than
cpe:2.3:o:apple:tvos::::::::				13.4.8
cpe:2.3:o:apple:iphone_os::::::::				13.6
cpe:2.3:a:apple:icloud::::::windows::*				7.20
cpe:2.3:a:apple:itunes::::::windows::*				12.10.8
cpe:2.3:o:apple:watchos::::::::				6.2.8
cpe:2.3:a:apple:icloud::::::windows::*	10.0			11.3
cpe:2.3:o:apple:ipados::::::::				13.6
cpe:2.3:o:apple:mac_os_x::::::::	10.13.0			10.13.6
cpe:2.3:o:apple:mac_os_x::::::::	10.14.0			10.14.6
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001::::::
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002::::::
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003::::::
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007::::::
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004::::::
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005::::::
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006::::::
cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update::::::
cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update_2::::::
cpe:2.3:o:apple:mac_os_x:10.14.6:-::::::
cpe:2.3:o:apple:mac_os_x::::::::	10.15			10.15.6
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2020-001::::::
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2020-002::::::
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2020-003::::::
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2018-003::::::
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2018-002::::::
cpe:2.3:o:apple:mac_os_x:10.13.6:supplemental_update::::::
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-003::::::
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-002::::::
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-001::::::
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-007::::::
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-006::::::
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-005::::::
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-004::::::
cpe:2.3:o:apple:mac_os_x:10.13.6:-::::::
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001::::::
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002::::::