NVD Vulnerability Detail

CVE-2017-7927

Summary	A Use of Password Hash Instead of Password for Authentication issue was discovered in Dahua DH-IPC-HDBW23A0RN-ZS, DH-IPC-HDBW13A0SN, DH-IPC-HDW1XXX, DH-IPC-HDW2XXX, DH-IPC-HDW4XXX, DH-IPC-HFW1XXX, DH-IPC-HFW2XXX, DH-IPC-HFW4XXX, DH-SD6CXX, DH-NVR1XXX, DH-HCVR4XXX, DH-HCVR5XXX, DHI-HCVR51A04HE-S3, DHI-HCVR51A08HE-S3, and DHI-HCVR58A32S-S2 devices. The use of password hash instead of password for authentication vulnerability was identified, which could allow a malicious user to bypass authentication without obtaining the actual password.
Publication Date	May 6, 2017, 9:29 a.m.
Registration Date	Jan. 26, 2021, 1:29 p.m.
Last Update	Nov. 21, 2024, 12:32 p.m.

CVSS3.0 : HIGH
スコア	7.3
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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)	不要
影響の想定範囲(S)	変更なし
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

CVSS2.0 : HIGH
Score	7.5
Vector	AV:N/AC:L/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)	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)	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	いいえ

Affected software configurations

Configuration1		or higher	or less	more than	less than
cpe:2.3:o:dahuasecurity:dh-ipc-hdbw23a0rn-zs_firmware:-:::::::*
execution environment
1	cpe:2.3:h:dahuasecurity:dh-ipc-hdbw23a0rn-zs:-:::::::*

Configuration2		or higher	or less	more than	less than
cpe:2.3:o:dahuasecurity:dh-ipc-hdbw13a0sn_firmware:-:::::::*
execution environment
1	cpe:2.3:h:dahuasecurity:dh-ipc-hdbw13a0sn:-:::::::*

Configuration3		or higher	or less	more than	less than
cpe:2.3:o:dahuasecurity:dh-ipc-hdw1xxx_firmware:-:::::::*
execution environment
1	cpe:2.3:h:dahuasecurity:dh-ipc-hdw1xxx:-:::::::*

Configuration4		or higher	or less	more than	less than
cpe:2.3:o:dahuasecurity:dh-ipc-hdw2xxx_firmware:-:::::::*
execution environment
1	cpe:2.3:h:dahuasecurity:dh-ipc-hdw2xxx:-:::::::*

Configuration5		or higher	or less	more than	less than
cpe:2.3:o:dahuasecurity:dh-ipc-hdw4xxx_firmware:-:::::::*
execution environment
1	cpe:2.3:h:dahuasecurity:dh-ipc-hdw4xxx:-:::::::*

Configuration6		or higher	or less	more than	less than
cpe:2.3:o:dahuasecurity:dh-ipc-hfw1xxx_firmware:-:::::::*
execution environment
1	cpe:2.3:h:dahuasecurity:dh-ipc-hfw1xxx:-:::::::*

Configuration7		or higher	or less	more than	less than
cpe:2.3:o:dahuasecurity:dh-ipc-hfw2xxx_firmware:-:::::::*
execution environment
1	cpe:2.3:h:dahuasecurity:dh-ipc-hfw2xxx:-:::::::*

Configuration8		or higher	or less	more than	less than
cpe:2.3:o:dahuasecurity:dh-ipc-hfw4xxx_firmware:-:::::::*
execution environment
1	cpe:2.3:h:dahuasecurity:dh-ipc-hfw4xxx:-:::::::*

Configuration9		or higher	or less	more than	less than
cpe:2.3:o:dahuasecurity:dh-sd6cxx_firmware:-:::::::*
execution environment
1	cpe:2.3:h:dahuasecurity:dh-sd6cxx:-:::::::*

Configuration10		or higher	or less	more than	less than
cpe:2.3:o:dahuasecurity:dh-nvr1xxx_firmware:-:::::::*
execution environment
1	cpe:2.3:h:dahuasecurity:dh-nvr1xxx:-:::::::*

Configuration11		or higher	or less	more than	less than
cpe:2.3:o:dahuasecurity:dh-hcvr4xxx_firmware:-:::::::*
execution environment
1	cpe:2.3:h:dahuasecurity:ddh-hcvr4xxx:-:::::::*

Configuration12		or higher	or less	more than	less than
cpe:2.3:o:dahuasecurity:dh-hcvr5xxx_firmware:-:::::::*
execution environment
1	cpe:2.3:h:dahuasecurity:dh-hcvr5xxx:-:::::::*

Configuration13		or higher	or less	more than	less than
cpe:2.3:o:dahuasecurity:dhi-hcvr51a04he-s3_firmware:-:::::::*
execution environment
1	cpe:2.3:h:dahuasecurity:dhi-hcvr51a04he-s3:-:::::::*

Configuration14		or higher	or less	more than	less than
cpe:2.3:o:dahuasecurity:dhi-hcvr51a08he-s3_firmware:-:::::::*
execution environment
1	cpe:2.3:h:dahuasecurity:dhi-hcvr51a08he-s3:-:::::::*

Configuration15		or higher	or less	more than	less than
cpe:2.3:o:dahuasecurity:dhi-hcvr58a32s-s2_firmware:-:::::::*
execution environment
1	cpe:2.3:h:dahuasecurity:dhi-hcvr58a32s-s2:-:::::::*

Related information, measures and tools

No	URL	タグ
1	http://us.dahuasecurity.com/en/us/Security-Bulletin_030617.php	Patch Vendor Advisory
2	http://us.dahuasecurity.com/en/us/Security-Bulletin_030617.php	Patch Vendor Advisory
3	http://www.securityfocus.com/bid/98312	Third Party Advisory VDB Entry
4	http://www.securityfocus.com/bid/98312	Third Party Advisory VDB Entry
5	https://ics-cert.us-cert.gov/advisories/ICSA-17-124-02	Mitigation Third Party Advisory US Government Resource
6	https://ics-cert.us-cert.gov/advisories/ICSA-17-124-02	Mitigation Third Party Advisory US Government Resource

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-798	ハードコードされた認証情報の使用	https://cwe.mitre.org/data/definitions/798.html

JVN Vulnerability Information

複数の Dahua 製品におけるハードコードされた認証情報の使用に関する脆弱性

Title	複数の Dahua 製品におけるハードコードされた認証情報の使用に関する脆弱性
Summary	複数の Dahua 製品には、ハードコードされた認証情報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	March 6, 2017, midnight
Registration Date	June 13, 2017, 1:46 p.m.
Last Update	July 13, 2017, 3:02 p.m.

Affected System

Dahua Technology Co., Ltd

DH-HCVR4XXX ファームウェア

DH-HCVR5XXX ファームウェア

DH-IPC-HDBW13A0SN ファームウェア

DH-IPC-HDBW23A0RN-ZS ファームウェア

DH-IPC-HDW1XXX ファームウェア

DH-IPC-HDW2XXX ファームウェア

DH-IPC-HDW4XXX ファームウェア

DH-IPC-HFW1XXX ファームウェア

DH-IPC-HFW2XXX ファームウェア

DH-IPC-HFW4XXX ファームウェア

DH-NVR1XXX ファームウェア

DH-SD6CXX ファームウェア

DHI-HCVR51A04HE-S3 ファームウェア

DHI-HCVR51A08HE-S3 ファームウェア

DHI-HCVR58A32S-S2 ファームウェア

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-2017-7927	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7927
National Vulnerability Database (NVD)
2	CVE-2017-7927	https://nvd.nist.gov/vuln/detail/CVE-2017-7927

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-798	https://cwe.mitre.org/data/definitions/798.html
2	CWE-836	https://cwe.mitre.org/data/definitions/836.html

ベンダー情報

No	Name	URL
Dahua Technology
1	Cyber Vulnerability Affecting Certain Dahua IP Cameras and Recorders (030617)	http://us.dahuasecurity.com/en/us/Security-Bulletin_030617.php
2	Cyber Vulnerability Affecting Certain Dahua IP Cameras and Recorders (04032017)	http://us.dahuasecurity.com/en/us/Security-Bulletin_04032017.php
3	Cybersecurity Statement - March 6th 2017	http://www.dahuasecurity.com/en/us/single.php?nid=354
4	Cybersecurity Vulnerability Update - March 8 2017	http://www.dahuasecurity.com/en/us/single.php?nid=364
5	Security Notification DHCC-201703-01	http://www1.dahuasecurity.com/annoucementsingle/security-notification-dhcc-201703-01-112.html

その他

No	Name	URL
ICS-CERT ADVISORY
1	ICSA-17-124-02	https://ics-cert.us-cert.gov/advisories/ICSA-17-124-02
JVN
2	JVNVU#98841854	http://jvn.jp/vu/JVNVU98841854/index.html
関連文書
3	PoC/dahua-backdoor-PoC.py	https://github.com/mcw0/PoC/blob/master/dahua-backdoor-PoC.py
4	PoC/dahua-backdoor.txt	https://github.com/mcw0/PoC/blob/master/dahua-backdoor.txt

Change Log

No	Changed Details	Date of change
0	[2017年06月13日] 掲載 [2017年07月13日] CWE による脆弱性タイプ一覧：CWE-ID を追加ベンダ情報：Zhejiang Dahua Technology (Cyber Vulnerability Affecting Certain Dahua IP Cameras and Recorders (04032017)) を追加ベンダ情報：Zhejiang Dahua Technology (Security Notification DHCC-201703-01) を追加ベンダ情報：Zhejiang Dahua Technology (Cybersecurity Statement - March 6th 2017) を追加ベンダ情報：Zhejiang Dahua Technology (Cybersecurity Vulnerability Update - March 8 2017) を追加参考情報：JVN (JVNVU#98841854) を追加参考情報：関連文書 (PoC/dahua-backdoor.txt) を追加参考情報：関連文書 (PoC/dahua-backdoor-PoC.py) を追加	Feb. 17, 2018, 10:37 a.m.