NVD Vulnerability Detail

CVE-2020-15969

Summary	Use after free in WebRTC in Google Chrome prior to 86.0.4240.75 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Publication Date	Nov. 3, 2020, 12:15 p.m.
Registration Date	Jan. 26, 2021, 11:53 a.m.
Last Update	Nov. 21, 2024, 2:06 p.m.

CVSS3.1 : HIGH
スコア	8.8
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/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)	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)	高
完全性への影響(I)	高
可用性への影響(A)	高

CVSS2.0 : MEDIUM
Score	6.8
Vector	AV:N/AC:M/Au:N/C:P/I:P/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)	低
完全性への影響(I)	低
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:google:chrome::::::::					86.0.4240.75

Configuration2	or higher	or less	more than	less than
cpe:2.3:o:debian:debian_linux:10.0:::::::*
cpe:2.3:o:fedoraproject:fedora:31:::::::*
cpe:2.3:o:fedoraproject:fedora:32:::::::*
cpe:2.3:o:fedoraproject:fedora:33:::::::*

Configuration3		or higher	or less	more than	less than
cpe:2.3:a:opensuse:backports_sle:15.0:sp2::::::

Configuration4	or higher	or less	more than	less than
cpe:2.3:o:apple:ipados::::::::				14.3
cpe:2.3:a:apple:safari::::::::				14.0.2
cpe:2.3:o:apple:watchos::::::::				7.2
cpe:2.3:o:apple:macos::::::::				11.1
cpe:2.3:o:apple:tvos::::::::				14.3
cpe:2.3:o:apple:iphone_os::::::::				14.3

Related information, measures and tools

No	URL	タグ
1	http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.html	Mailing List Third Party Advisory
2	http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.html	Mailing List Third Party Advisory
3	http://seclists.org/fulldisclosure/2020/Dec/24	Mailing List Third Party Advisory
4	http://seclists.org/fulldisclosure/2020/Dec/24	Mailing List Third Party Advisory
5	http://seclists.org/fulldisclosure/2020/Dec/26	Mailing List Third Party Advisory
6	http://seclists.org/fulldisclosure/2020/Dec/26	Mailing List Third Party Advisory
7	http://seclists.org/fulldisclosure/2020/Dec/27	Mailing List Third Party Advisory
8	http://seclists.org/fulldisclosure/2020/Dec/27	Mailing List Third Party Advisory
9	http://seclists.org/fulldisclosure/2020/Dec/29	Mailing List Third Party Advisory
10	http://seclists.org/fulldisclosure/2020/Dec/29	Mailing List Third Party Advisory
11	http://seclists.org/fulldisclosure/2020/Dec/30	Mailing List Third Party Advisory
12	http://seclists.org/fulldisclosure/2020/Dec/30	Mailing List Third Party Advisory
13	https://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop.html	Release Notes Vendor Advisory
14	https://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop.html	Release Notes Vendor Advisory
15	https://crbug.com/1124659	Permissions Required Vendor Advisory
16	https://crbug.com/1124659	Permissions Required Vendor Advisory
17	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/24QFL4C3AZKMFVL7LVSYMU2DNE5VVUGS/
18	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/24QFL4C3AZKMFVL7LVSYMU2DNE5VVUGS/
19	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4GWCWNHTTYOH6HSFUXPGPBB6J6JYZHZE/
20	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4GWCWNHTTYOH6HSFUXPGPBB6J6JYZHZE/
21	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SC3U3H6AISVZB5PLZLLNF4HMQ4UFFL7M/
22	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SC3U3H6AISVZB5PLZLLNF4HMQ4UFFL7M/
23	https://security.gentoo.org/glsa/202101-30	Third Party Advisory
24	https://security.gentoo.org/glsa/202101-30	Third Party Advisory
25	https://support.apple.com/kb/HT212003	Third Party Advisory
26	https://support.apple.com/kb/HT212003	Third Party Advisory
27	https://support.apple.com/kb/HT212005	Third Party Advisory
28	https://support.apple.com/kb/HT212005	Third Party Advisory
29	https://support.apple.com/kb/HT212007	Third Party Advisory
30	https://support.apple.com/kb/HT212007	Third Party Advisory
31	https://support.apple.com/kb/HT212009	Third Party Advisory
32	https://support.apple.com/kb/HT212009	Third Party Advisory
33	https://support.apple.com/kb/HT212011	Third Party Advisory
34	https://support.apple.com/kb/HT212011	Third Party Advisory
35	https://www.debian.org/security/2021/dsa-4824	Third Party Advisory
36	https://www.debian.org/security/2021/dsa-4824	Third Party Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-416	解放済みメモリの使用	https://cwe.mitre.org/data/definitions/416.html
2	CWE-787	境界外書き込み	https://cwe.mitre.org/data/definitions/787.html

JVN Vulnerability Information

Google Chrome における解放済みメモリの使用に関する脆弱性

Title	Google Chrome における解放済みメモリの使用に関する脆弱性
Summary	Google Chrome には、解放済みメモリの使用に関する脆弱性が存在します。
Possible impacts	情報を取得される、情報を改ざんされる、およびサービス運用妨害 (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	Oct. 6, 2020, midnight
Registration Date	June 16, 2021, 6:01 p.m.
Last Update	June 16, 2021, 6:01 p.m.

Affected System

アップル

iOS

iPadOS

macOS Big Sur

Safari

tvOS

watchOS

Debian

Debian GNU/Linux

Fedora Project

Fedora

Google

Google Chrome 86.0.4240.75 未満

openSUSE project

Backports SLE

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-2020-15969	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15969
National Vulnerability Database (NVD)
2	CVE-2020-15969	https://nvd.nist.gov/vuln/detail/CVE-2020-15969

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-416	https://cwe.mitre.org/data/definitions/416.html

ベンダー情報

No	Name	URL
Apple Security Updates
1	HT212003	https://support.apple.com/en-us/HT212003
2	HT212005	https://support.apple.com/en-us/HT212005
3	HT212007	https://support.apple.com/en-us/HT212007
4	HT212009	https://support.apple.com/en-us/HT212009
5	HT212011	https://support.apple.com/en-us/HT212011
Apple セキュリティアップデート
6	HT212003	https://support.apple.com/ja-jp/HT212003
7	HT212005	https://support.apple.com/ja-jp/HT212005
8	HT212007	https://support.apple.com/ja-jp/HT212007
9	HT212009	https://support.apple.com/ja-jp/HT212009
10	HT212011	https://support.apple.com/ja-jp/HT212011
Chrome Releases
11	Stable Channel Update for Desktop	https://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop.html
Debian Security Advisory
12	DSA-4824-1	https://www.debian.org/security/2021/dsa-4824
Fedora Update Notification
13	FEDORA-2020-127d40f1ab	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4GWCWNHTTYOH6HSFUXPGPBB6J6JYZHZE/
14	FEDORA-2020-4e8e48da22	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SC3U3H6AISVZB5PLZLLNF4HMQ4UFFL7M/
15	FEDORA-2020-8aca25b5c8	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/24QFL4C3AZKMFVL7LVSYMU2DNE5VVUGS/
opensuse-security-announce
16	openSUSE-SU-2020:1829-1	https://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.html

Change Log

No	Changed Details	Date of change
1	[2021年06月16日] 掲載	June 16, 2021, 6:01 p.m.