NVD Vulnerability Detail

CVE-2016-1802

Summary	CCCrypt in CommonCrypto in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1 mishandles return values during key-length calculations, which allows attackers to obtain sensitive information via a crafted app.
Publication Date	May 20, 2016, 7:59 p.m.
Registration Date	Jan. 26, 2021, 2:08 p.m.
Last Update	Nov. 21, 2024, 11:47 a.m.

CVSS3.0 : MEDIUM
スコア	5.5
Vector	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
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)	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	4.3
Vector	AV:N/AC:M/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)	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)	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	はい

Affected software configurations

Configuration1		or higher	or less	more than	less than
cpe:2.3:o:apple:iphone_os::::::::					9.3.2

Configuration2		or higher	or less	more than	less than
cpe:2.3:o:apple:mac_os_x::::::::					10.11.5

Configuration3		or higher	or less	more than	less than
cpe:2.3:o:apple:tvos::::::::					9.2.1

Configuration4		or higher	or less	more than	less than
cpe:2.3:o:apple:watchos::::::::					2.2.1

Related information, measures and tools

No	URL	タグ
1	http://lists.apple.com/archives/security-announce/2016/May/msg00001.html	Mailing List Vendor Advisory
2	http://lists.apple.com/archives/security-announce/2016/May/msg00001.html	Mailing List Vendor Advisory
3	http://lists.apple.com/archives/security-announce/2016/May/msg00002.html	Mailing List Vendor Advisory
4	http://lists.apple.com/archives/security-announce/2016/May/msg00002.html	Mailing List Vendor Advisory
5	http://lists.apple.com/archives/security-announce/2016/May/msg00003.html	Mailing List Vendor Advisory
6	http://lists.apple.com/archives/security-announce/2016/May/msg00003.html	Mailing List Vendor Advisory
7	http://lists.apple.com/archives/security-announce/2016/May/msg00004.html	Mailing List Vendor Advisory
8	http://lists.apple.com/archives/security-announce/2016/May/msg00004.html	Mailing List Vendor Advisory
9	http://www.securityfocus.com/bid/90694	Third Party Advisory VDB Entry
10	http://www.securityfocus.com/bid/90694	Third Party Advisory VDB Entry
11	http://www.securitytracker.com/id/1035890	Third Party Advisory VDB Entry
12	http://www.securitytracker.com/id/1035890	Third Party Advisory VDB Entry
13	https://support.apple.com/HT206564	Vendor Advisory
14	https://support.apple.com/HT206564	Vendor Advisory
15	https://support.apple.com/HT206566	Vendor Advisory
16	https://support.apple.com/HT206566	Vendor Advisory
17	https://support.apple.com/HT206567	Vendor Advisory
18	https://support.apple.com/HT206567	Vendor Advisory
19	https://support.apple.com/HT206568	Vendor Advisory
20	https://support.apple.com/HT206568	Vendor Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-200	情報漏えい	https://cwe.mitre.org/data/definitions/200.html

JVN Vulnerability Information

複数の Apple 製品の CommonCrypto の CCCrypt における重要な情報を取得される脆弱性

Title	複数の Apple 製品の CommonCrypto の CCCrypt における重要な情報を取得される脆弱性
Summary	複数の Apple 製品の CommonCrypto の CCCrypt には、鍵長を計算する際、戻り値を誤って処理するため、重要な情報を取得される脆弱性が存在します。
Possible impacts	攻撃者により、巧妙に細工されたアプリケーションを介して、重要な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	May 16, 2016, midnight
Registration Date	May 23, 2016, 6:11 p.m.
Last Update	May 23, 2016, 6:11 p.m.

Affected System

アップル

Apple Mac OS X 10.11 およびそれ以降

iOS 9.3.2 未満 (iPad 2 以降)

iOS 9.3.2 未満 (iPhone 4s 以降)

iOS 9.3.2 未満 (iPod touch 第 5 世代以降)

tvOS 9.2.1 未満 (Apple TV 第 4 世代)

watchOS 2.2.1 未満 (Apple Watch Edition)

watchOS 2.2.1 未満 (Apple Watch Hermes)

watchOS 2.2.1 未満 (Apple Watch Sport)

watchOS 2.2.1 未満 (Apple Watch)

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-2016-1802	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1802
National Vulnerability Database (NVD)
2	CVE-2016-1802	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-1802

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-200	https://jvndb.jvn.jp/ja/cwe/CWE-200.html

ベンダー情報

No	Name	URL
Apple
1	Apple security updates	https://support.apple.com/en-us/HT201222
Apple Mailing Lists
2	APPLE-SA-2016-05-16-1 tvOS 9.2.1	http://lists.apple.com/archives/security-announce/2016/May/msg00001.html
3	APPLE-SA-2016-05-16-2 iOS 9.3.2	http://lists.apple.com/archives/security-announce/2016/May/msg00002.html
4	APPLE-SA-2016-05-16-3 watchOS 2.2.1	http://lists.apple.com/archives/security-announce/2016/May/msg00003.html
5	APPLE-SA-2016-05-16-4 OS X El Capitan 10.11.5 and Security Update 2016-003	http://lists.apple.com/archives/security-announce/2016/May/msg00004.html
Apple Security Updates
6	HT206564	https://support.apple.com/en-us/HT206564
7	HT206566	https://support.apple.com/en-us/HT206566
8	HT206567	https://support.apple.com/en-us/HT206567
9	HT206568	https://support.apple.com/en-us/HT206568
Apple セキュリティアップデート
10	HT206564	https://support.apple.com/ja-jp/HT206564
11	HT206566	https://support.apple.com/ja-jp/HT206566
12	HT206567	https://support.apple.com/ja-jp/HT206567
13	HT206568	https://support.apple.com/ja-jp/HT206568

その他

No	Name	URL
JVN
1	JVNVU#91632741	http://jvn.jp/vu/JVNVU91632741/index.html

Change Log

No	Changed Details	Date of change
0	[2016年05月23日] 掲載	Feb. 17, 2018, 10:37 a.m.