NVD Vulnerability Detail

CVE-2017-11120

Summary	On Broadcom BCM4355C0 Wi-Fi chips 9.44.78.27.0.1.56 and other chips, an attacker can craft a malformed RRM neighbor report frame to trigger an internal buffer overflow in the Wi-Fi firmware, aka B-V2017061204.
Publication Date	Sept. 28, 2017, 10:29 a.m.
Registration Date	Jan. 26, 2021, 1:12 p.m.
Last Update	Nov. 21, 2024, 12:07 p.m.

CVSS3.0 : CRITICAL
スコア	9.8
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/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)	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)	高
可用性への影響(A)	高

CVSS2.0 : HIGH
Score	10.0
Vector	AV:N/AC:L/Au:N/C:C/I:C/A:C
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)	高
完全性への影響(I)	高
可用性への影響(A)	高
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:o:broadcom:bcm4355c0_firmware:9.44.78.27.0.1.56:::::::*
execution environment
1	cpe:2.3:h:broadcom:bcm4355c0:-:::::::*

Configuration2	or higher	or less	more than	less than
cpe:2.3:o:apple:iphone_os::::::::				11.0
cpe:2.3:o:apple:tvos::::::::				11.0

Related information, measures and tools

No	URL	タグ
1	http://packetstormsecurity.com/files/144328/Broadcom-802.11k-Neighbor-Report-Response-Out-Of-Bounds-Write.html	Exploit Third Party Advisory VDB Entry
2	http://packetstormsecurity.com/files/144328/Broadcom-802.11k-Neighbor-Report-Response-Out-Of-Bounds-Write.html	Exploit Third Party Advisory VDB Entry
3	http://www.securityfocus.com/bid/100984	Third Party Advisory VDB Entry
4	http://www.securityfocus.com/bid/100984	Third Party Advisory VDB Entry
5	https://bugs.chromium.org/p/project-zero/issues/detail?id=1289	Exploit Issue Tracking Third Party Advisory
6	https://bugs.chromium.org/p/project-zero/issues/detail?id=1289	Exploit Issue Tracking Third Party Advisory
7	https://lists.apple.com/archives/security-announce/2017/Sep/msg00007.html	Mailing List Third Party Advisory
8	https://lists.apple.com/archives/security-announce/2017/Sep/msg00007.html	Mailing List Third Party Advisory
9	https://lists.apple.com/archives/security-announce/2017/Sep/msg00009.html	Mailing List Third Party Advisory
10	https://lists.apple.com/archives/security-announce/2017/Sep/msg00009.html	Mailing List Third Party Advisory
11	https://source.android.com/security/bulletin/2017-09-01	Third Party Advisory
12	https://source.android.com/security/bulletin/2017-09-01	Third Party Advisory
13	https://support.apple.com/en-us/HT208112	Third Party Advisory
14	https://support.apple.com/en-us/HT208112	Third Party Advisory
15	https://support.apple.com/en-us/HT208113	Third Party Advisory
16	https://support.apple.com/en-us/HT208113	Third Party Advisory
17	https://support.apple.com/HT208112	Third Party Advisory
18	https://support.apple.com/HT208112	Third Party Advisory
19	https://support.apple.com/HT208113	Third Party Advisory
20	https://support.apple.com/HT208113	Third Party Advisory
21	https://www.exploit-db.com/exploits/42784/	Exploit Third Party Advisory VDB Entry
22	https://www.exploit-db.com/exploits/42784/	Exploit Third Party Advisory VDB Entry

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-119	バッファエラー	https://cwe.mitre.org/data/definitions/118.html

JVN Vulnerability Information

Broadcom BCM4355C0 Wi-Fi などのチップの Wi-Fi ファームウェアにおける内部バッファエラーの脆弱性

Title	Broadcom BCM4355C0 Wi-Fi などのチップの Wi-Fi ファームウェアにおける内部バッファエラーの脆弱性
Summary	Broadcom BCM4355C0 Wi-Fi およびその他のチップの Wi-Fi ファームウェアには、内部バッファエラーの脆弱性が存在します。本脆弱性は、Broadcom B-V2017061204 として公開されています。
Possible impacts	攻撃者により、巧妙に細工された不正な形式の RRM ネイバーレポートフレームを作成されることで、Wi-Fi ファームウェアで内部バッファオーバーフローを引き起こ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. 25, 2017, midnight
Registration Date	Oct. 24, 2017, 10:03 a.m.
Last Update	Oct. 24, 2017, 10:03 a.m.

Affected System

アップル

iOS 11 未満 (iPad Air 以降)

iOS 11 未満 (iPhone 5s 以降)

iOS 11 未満 (iPod touch 第 6 世代)

tvOS 11 未満 (Apple TV 第 4 世代)

Broadcom

BCM4355C0 ファームウェア 9.44.78.27.0.1.56

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-2017-11120	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11120
National Vulnerability Database (NVD)
2	CVE-2017-11120	https://nvd.nist.gov/vuln/detail/CVE-2017-11120

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-119	https://jvndb.jvn.jp/ja/cwe/CWE-119.html

ベンダー情報

No	Name	URL
Android Open Source Project
1	Android Security Bulletin-September 2017	https://source.android.com/security/bulletin/2017-09-01
Apple Security Updates
2	HT208112	https://support.apple.com/en-us/HT208112
3	HT208113	https://support.apple.com/en-us/HT208113
Apple セキュリティアップデート
4	HT208112	https://support.apple.com/ja-jp/HT208112
5	HT208113	https://support.apple.com/ja-jp/HT208113
Broadcom
6	Top Page	https://www.broadcom.com/

Change Log

No	Changed Details	Date of change
0	[2017年10月24日] 掲載	Feb. 17, 2018, 10:37 a.m.