NVD Vulnerability Detail

CVE-2020-24584

Summary	An issue was discovered in Django 2.2 before 2.2.16, 3.0 before 3.0.10, and 3.1 before 3.1.1 (when Python 3.7+ is used). The intermediate-level directories of the filesystem cache had the system's standard umask rather than 0o077.
Publication Date	Sept. 1, 2020, 10:15 p.m.
Registration Date	Jan. 26, 2021, 10:40 a.m.
Last Update	Nov. 21, 2024, 2:15 p.m.

CVSS3.1 : HIGH
スコア	7.5
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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)	なし
可用性への影響(A)	なし

CVSS2.0 : MEDIUM
Score	5.0
Vector	AV:N/AC:L/Au:N/C:P/I:N/A:N
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)	低
完全性への影響(I)	なし
可用性への影響(A)	なし
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:djangoproject:django::::::::	3.1			3.1.1
cpe:2.3:a:djangoproject:django::::::::	3.0			3.0.10
cpe:2.3:a:djangoproject:django::::::::	2.2			2.2.16

Configuration2		or higher	or less	more than	less than
cpe:2.3:o:canonical:ubuntu_linux:20.04::::lts:::

Configuration3	or higher	or less	more than	less than
cpe:2.3:o:fedoraproject:fedora:31:::::::*
cpe:2.3:o:fedoraproject:fedora:32:::::::*
cpe:2.3:o:fedoraproject:fedora:33:::::::*

Configuration4		or higher	or less	more than	less than
cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:::::::*

Related information, measures and tools

No	URL	タグ
1	https://docs.djangoproject.com/en/dev/releases/security/	Vendor Advisory
2	https://docs.djangoproject.com/en/dev/releases/security/	Vendor Advisory
3	https://groups.google.com/forum/#%21topic/django-announce/Gdqn58RqIDM
4	https://groups.google.com/forum/#%21topic/django-announce/Gdqn58RqIDM
5	https://groups.google.com/forum/#%21topic/django-announce/zFCMdgUnutU
6	https://groups.google.com/forum/#%21topic/django-announce/zFCMdgUnutU
7	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F2ZHO3GZCJMP3DDTXCNVFV6ED3W64NAU/
8	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F2ZHO3GZCJMP3DDTXCNVFV6ED3W64NAU/
9	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OLGFFLMF3X6USMJD7V5F5P4K2WVUTO3T/
10	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OLGFFLMF3X6USMJD7V5F5P4K2WVUTO3T/
11	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZCRPQCBTV3RZHKVZ6K6QOAANPRZQD3GI/
12	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZCRPQCBTV3RZHKVZ6K6QOAANPRZQD3GI/
13	https://security.netapp.com/advisory/ntap-20200918-0004/	Third Party Advisory
14	https://security.netapp.com/advisory/ntap-20200918-0004/	Third Party Advisory
15	https://usn.ubuntu.com/4479-1/	Third Party Advisory
16	https://usn.ubuntu.com/4479-1/	Third Party Advisory
17	https://www.djangoproject.com/weblog/2020/sep/01/security-releases/	Vendor Advisory
18	https://www.djangoproject.com/weblog/2020/sep/01/security-releases/	Vendor Advisory
19	https://www.openwall.com/lists/oss-security/2020/09/01/2	Mailing List Patch Third Party Advisory
20	https://www.openwall.com/lists/oss-security/2020/09/01/2	Mailing List Patch Third Party Advisory
21	https://www.oracle.com/security-alerts/cpujan2021.html	Patch Third Party Advisory
22	https://www.oracle.com/security-alerts/cpujan2021.html	Patch Third Party Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-276	不適切なデフォルトパーミッション	https://cwe.mitre.org/data/definitions/276.html

JVN Vulnerability Information

Django における不適切なデフォルトパーミッションに関する脆弱性

Title	Django における不適切なデフォルトパーミッションに関する脆弱性
Summary	Django には、不適切なデフォルトパーミッションに関する脆弱性が存在します。
Possible impacts	情報を取得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	Sept. 1, 2020, midnight
Registration Date	Feb. 3, 2021, 12:25 p.m.
Last Update	Feb. 3, 2021, 12:25 p.m.

Affected System

Canonical

Ubuntu

Django Software Foundation

Django 2.2 以上 2.2.16 未満

Django 3.0 以上 3.0.10 未満

Django 3.1 以上 3.1.1 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-2020-24584	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24584
National Vulnerability Database (NVD)
2	CVE-2020-24584	https://nvd.nist.gov/vuln/detail/CVE-2020-24584

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-276	https://cwe.mitre.org/data/definitions/276.html

ベンダー情報

No	Name	URL
Django Software Foundation
1	Archive of security issues	https://docs.djangoproject.com/en/dev/releases/security/
2	Django security releases issued: 3.1.1, 3.0.10 and 2.2.16	https://www.djangoproject.com/weblog/2020/sep/01/security-releases/
Ubuntu Security Notice
3	USN-4479-1	https://usn.ubuntu.com/4479-1/

その他

No	Name	URL
関連文書
1	Django Security Releases for CVE-2020-24583 & CVE-2020-24584: permissions on intermediate-level directories on Python 3.7+	https://www.openwall.com/lists/oss-security/2020/09/01/2

Change Log

No	Changed Details	Date of change
1	[2021年02月03日] 掲載	Feb. 3, 2021, 12:25 p.m.