NVD Vulnerability Detail

CVE-2024-40776

Summary	A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 16.7.9 and iPadOS 16.7.9, Safari 17.6, iOS 17.6 and iPadOS 17.6, watchOS 10.6, tvOS 17.6, visionOS 1.3, macOS Sonoma 14.6. Processing maliciously crafted web content may lead to an unexpected process crash.
Publication Date	July 30, 2024, 8:15 a.m.
Registration Date	July 30, 2024, 10 a.m.
Last Update	Nov. 21, 2024, 6:31 p.m.

CVSS3.1 : MEDIUM
スコア	4.3
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
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)	なし
完全性への影響(I)	なし
可用性への影響(A)	低

Affected software configurations

Configuration1	or higher	or less	more than	less than
cpe:2.3:o:apple:iphone_os::::::::	17.0			17.6
cpe:2.3:o:apple:iphone_os::::::::				16.7.9

Configuration2	or higher	or less	more than	less than
cpe:2.3:o:apple:ipados::::::::	17.0			17.6
cpe:2.3:o:apple:ipados::::::::				16.7.9

Configuration3		or higher	or less	more than	less than
cpe:2.3:o:apple:macos::::::::					14.6

Configuration4		or higher	or less	more than	less than
cpe:2.3:a:apple:safari::::::::					17.6

Configuration5		or higher	or less	more than	less than
cpe:2.3:o:apple:watchos::::::::			10.6

Configuration6		or higher	or less	more than	less than
cpe:2.3:o:apple:tvos::::::::					17.6

Configuration7		or higher	or less	more than	less than
cpe:2.3:o:apple:visionos::::::::					1.3

Related information, measures and tools

No	URL	タグ
1	http://seclists.org/fulldisclosure/2024/Jul/15	Mailing List Third Party Advisory
2	http://seclists.org/fulldisclosure/2024/Jul/15	Mailing List Third Party Advisory
3	http://seclists.org/fulldisclosure/2024/Jul/16	Mailing List Third Party Advisory
4	http://seclists.org/fulldisclosure/2024/Jul/16	Mailing List Third Party Advisory
5	http://seclists.org/fulldisclosure/2024/Jul/17	Mailing List Third Party Advisory
6	http://seclists.org/fulldisclosure/2024/Jul/17	Mailing List Third Party Advisory
7	http://seclists.org/fulldisclosure/2024/Jul/18	Mailing List Third Party Advisory
8	http://seclists.org/fulldisclosure/2024/Jul/18	Mailing List Third Party Advisory
9	http://seclists.org/fulldisclosure/2024/Jul/21	Mailing List Third Party Advisory
10	http://seclists.org/fulldisclosure/2024/Jul/21	Mailing List Third Party Advisory
11	http://seclists.org/fulldisclosure/2024/Jul/22	Mailing List Third Party Advisory
12	http://seclists.org/fulldisclosure/2024/Jul/22	Mailing List Third Party Advisory
13	http://seclists.org/fulldisclosure/2024/Jul/23	Mailing List Third Party Advisory
14	http://seclists.org/fulldisclosure/2024/Jul/23	Mailing List Third Party Advisory
15	https://support.apple.com/en-us/HT214116	Release Notes Vendor Advisory
16	https://support.apple.com/en-us/HT214116	Release Notes Vendor Advisory
17	https://support.apple.com/en-us/HT214117	Release Notes Vendor Advisory
18	https://support.apple.com/en-us/HT214117	Release Notes Vendor Advisory
19	https://support.apple.com/en-us/HT214119	Release Notes Vendor Advisory
20	https://support.apple.com/en-us/HT214119	Release Notes Vendor Advisory
21	https://support.apple.com/en-us/HT214121	Release Notes Vendor Advisory
22	https://support.apple.com/en-us/HT214121	Release Notes Vendor Advisory
23	https://support.apple.com/en-us/HT214122	Release Notes Vendor Advisory
24	https://support.apple.com/en-us/HT214122	Release Notes Vendor Advisory
25	https://support.apple.com/en-us/HT214123	Release Notes Vendor Advisory
26	https://support.apple.com/en-us/HT214123	Release Notes Vendor Advisory
27	https://support.apple.com/en-us/HT214124	Release Notes Vendor Advisory
28	https://support.apple.com/en-us/HT214124	Release Notes Vendor Advisory
29	https://www.secpod.com/blog/apple-fixes-multiple-security-vulnerabilities-in-july-2024-updates/	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

JVN Vulnerability Information

複数のアップル製品における解放済みメモリの使用に関する脆弱性

Title	複数のアップル製品における解放済みメモリの使用に関する脆弱性
Summary	iOS、iPadOS、macOS 等複数のアップル製品には、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	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	July 29, 2024, midnight
Registration Date	Aug. 22, 2024, 11:41 a.m.
Last Update	Aug. 22, 2024, 11:41 a.m.

Affected System

アップル

iOS 16.7.9 未満

iOS 17.0 以上 17.6 未満

iPadOS 16.7.9 未満

iPadOS 17.0 以上 17.6 未満

macOS 14.6 未満

Safari 17.6 未満

tvOS 17.6 未満

visionos 1.3 未満

watchOS 10.6 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-2024-40776	https://www.cve.org/CVERecord?id=CVE-2024-40776
National Vulnerability Database (NVD)
2	CVE-2024-40776	https://nvd.nist.gov/vuln/detail/CVE-2024-40776

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	HT214116	https://support.apple.com/en-us/HT214116
2	HT214117	https://support.apple.com/en-us/HT214117
3	HT214119	https://support.apple.com/en-us/HT214119
4	HT214121	https://support.apple.com/en-us/HT214121
5	HT214122	https://support.apple.com/en-us/HT214122
6	HT214123	https://support.apple.com/en-us/HT214123
7	HT214124	https://support.apple.com/en-us/HT214124
Apple セキュリティアップデート
8	HT214116	https://support.apple.com/ja-jp/HT214116
9	HT214117	https://support.apple.com/ja-jp/HT214117
10	HT214119	https://support.apple.com/ja-jp/HT214119
11	HT214121	https://support.apple.com/ja-jp/HT214121
12	HT214122	https://support.apple.com/ja-jp/HT214122
13	HT214123	https://support.apple.com/ja-jp/HT214123
14	HT214124	https://support.apple.com/ja-jp/HT214124

その他

No	Name	URL
関連文書
1	seclists.org (Jul/15)	http://seclists.org/fulldisclosure/2024/Jul/15
2	seclists.org (Jul/16)	http://seclists.org/fulldisclosure/2024/Jul/16
3	seclists.org (Jul/17)	http://seclists.org/fulldisclosure/2024/Jul/17
4	seclists.org (Jul/18)	http://seclists.org/fulldisclosure/2024/Jul/18
5	seclists.org (Jul/21)	http://seclists.org/fulldisclosure/2024/Jul/21
6	seclists.org (Jul/22)	http://seclists.org/fulldisclosure/2024/Jul/22
7	seclists.org (Jul/23)	http://seclists.org/fulldisclosure/2024/Jul/23
8	www.secpod.com (apple-fixes-multiple-security-vulnerabilities-in-july-2024-updates)	https://www.secpod.com/blog/apple-fixes-multiple-security-vulnerabilities-in-july-2024-updates/

Change Log

No	Changed Details	Date of change
1	[2024年08月22日] 掲載	Aug. 22, 2024, 11:25 a.m.