NVD Vulnerability Detail
Search Exploit, PoC
CVE-2020-9499
Summary

Some Dahua products have buffer overflow vulnerabilities. After the successful login of the legal account, the attacker sends a specific DDNS test command, which may cause the device to go down.

Publication Date April 9, 2020, 11:15 p.m.
Registration Date Jan. 26, 2021, 12:02 p.m.
Last Update Nov. 21, 2024, 2:40 p.m.
CVSS3.1 : HIGH
スコア 7.2
Vector CVSS:3.1/AV:N/AC:L/PR:H/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) 高
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 : MEDIUM
Score 6.5
Vector AV:N/AC:L/Au:S/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) 単一
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:sd6al_firmware:*:*:*:*:*:*:*:* 2019-12
execution environment
1 cpe:2.3:h:dahuasecurity:sd6al:-:*:*:*:*:*:*:*
Configuration2 or higher or less more than less than
cpe:2.3:o:dahuasecurity:sd5a_firmware:*:*:*:*:*:*:*:* 2019-12
execution environment
1 cpe:2.3:h:dahuasecurity:sd5a:-:*:*:*:*:*:*:*
Configuration3 or higher or less more than less than
cpe:2.3:o:dahuasecurity:sd1a_firmware:*:*:*:*:*:*:*:* 2019-12
execution environment
1 cpe:2.3:h:dahuasecurity:sd1a:-:*:*:*:*:*:*:*
Configuration4 or higher or less more than less than
cpe:2.3:o:dahuasecurity:ptz1a_firmware:*:*:*:*:*:*:*:* 2019-12
execution environment
1 cpe:2.3:h:dahuasecurity:ptz1a:-:*:*:*:*:*:*:*
Configuration5 or higher or less more than less than
cpe:2.3:o:dahuasecurity:sd50_firmware:*:*:*:*:*:*:*:* 2019-12
execution environment
1 cpe:2.3:h:dahuasecurity:sd50:-:*:*:*:*:*:*:*
Configuration6 or higher or less more than less than
cpe:2.3:o:dahuasecurity:sd52c_firmware:*:*:*:*:*:*:*:* 2019-12
execution environment
1 cpe:2.3:h:dahuasecurity:sd52c:-:*:*:*:*:*:*:*
Configuration7 or higher or less more than less than
cpe:2.3:o:dahuasecurity:ipc-hx5842h_firmware:*:*:*:*:*:*:*:* 2019-12
execution environment
1 cpe:2.3:h:dahuasecurity:ipc-hx5842h:-:*:*:*:*:*:*:*
Configuration8 or higher or less more than less than
cpe:2.3:o:dahuasecurity:ipc-hx7842h_firmware:*:*:*:*:*:*:*:* 2019-12
execution environment
1 cpe:2.3:h:dahuasecurity:ipc-hx7842h:-:*:*:*:*:*:*:*
Configuration9 or higher or less more than less than
cpe:2.3:o:dahuasecurity:ipc-hx2xxx_firmware:*:*:*:*:*:*:*:* 2019-12
execution environment
1 cpe:2.3:h:dahuasecurity:ipc-hx2xxx:-:*:*:*:*:*:*:*
Configuration10 or higher or less more than less than
cpe:2.3:o:dahuasecurity:ipc-hxxx5x4x_firmware:*:*:*:*:*:*:*:* 2019-12
execution environment
1 cpe:2.3:h:dahuasecurity:ipc-hxxx5x4x:-:*:*:*:*:*:*:*
Configuration11 or higher or less more than less than
cpe:2.3:o:dahuasecurity:n42b1p_firmware:*:*:*:*:*:*:*:* 2019-12
execution environment
1 cpe:2.3:h:dahuasecurity:n42b1p:-:*:*:*:*:*:*:*
Configuration12 or higher or less more than less than
cpe:2.3:o:dahuasecurity:n42b2p_firmware:*:*:*:*:*:*:*:* 2019-12
execution environment
1 cpe:2.3:h:dahuasecurity:n42b2p:-:*:*:*:*:*:*:*
Configuration13 or higher or less more than less than
cpe:2.3:o:dahuasecurity:n42b3p_firmware:*:*:*:*:*:*:*:* 2019-12
execution environment
1 cpe:2.3:h:dahuasecurity:n42b3p:-:*:*:*:*:*:*:*
Configuration14 or higher or less more than less than
cpe:2.3:o:dahuasecurity:n52a4p_firmware:*:*:*:*:*:*:*:* 2019-12
execution environment
1 cpe:2.3:h:dahuasecurity:n52a4p:-:*:*:*:*:*:*:*
Configuration15 or higher or less more than less than
cpe:2.3:o:dahuasecurity:n54a4p_firmware:*:*:*:*:*:*:*:* 2019-12
execution environment
1 cpe:2.3:h:dahua:n54a4p:-:*:*:*:*:*:*:*
Configuration16 or higher or less more than less than
cpe:2.3:o:dahuasecurity:n52b2p_firmware:*:*:*:*:*:*:*:* 2019-12
execution environment
1 cpe:2.3:h:dahuasecurity:n52b2p:-:*:*:*:*:*:*:*
Configuration17 or higher or less more than less than
cpe:2.3:o:dahuasecurity:n52b5p_firmware:*:*:*:*:*:*:*:* 2019-12
execution environment
1 cpe:2.3:h:dahuasecurity:n52b5p:-:*:*:*:*:*:*:*
Configuration18 or higher or less more than less than
cpe:2.3:o:dahuasecurity:n52b3p_firmware:*:*:*:*:*:*:*:* 2019-12
execution environment
1 cpe:2.3:h:dahuasecurity:n52b3p:-:*:*:*:*:*:*:*
Configuration19 or higher or less more than less than
cpe:2.3:o:dahuasecurity:n54b2p_firmware:*:*:*:*:*:*:*:* 2019-12
execution environment
1 cpe:2.3:h:dahuasecurity:n54b2p:-:*:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List
JVN Vulnerability Information
Dahua 製品における古典的バッファオーバーフローの脆弱性
Title Dahua 製品における古典的バッファオーバーフローの脆弱性
Summary

Dahua 製品には、古典的バッファオーバーフローの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 April 7, 2020, midnight
Registration Date April 24, 2020, 1:48 p.m.
Last Update April 24, 2020, 1:48 p.m.
Affected System
Dahua Technology Co., Ltd
IPC-HX2XXX ファームウェア 
IPC-HX5842H ファームウェア 
IPC-HX7842H ファームウェア 
IPC-HXXX5X4X ファームウェア 
PTZ1A ファームウェア 
SD1A ファームウェア 
SD50 ファームウェア 
SD52C ファームウェア 
SD5A ファームウェア 
SD6AL ファームウェア 
CVE (情報セキュリティ 共通脆弱性識別子)
CWE (共通脆弱性タイプ一覧)
ベンダー情報
Change Log
No Changed Details Date of change
1 [2020年04月24日]
  掲載		 April 24, 2020, 1:48 p.m.