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CVE-2019-9677

Quick assessment

Affected
Dahua Technology IPC-HDW1X2X,IPC-HFW1X2X,IPC-HDW2X2X,IPC-HFW2X2X,IPC-HDW4X2X,IPC-HFW4X2X,IPC-HDBW4X2X,IPC-HDW5X2X,IPC-HFW5X2X
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Dahua IPC-HDW1X2X等都是中国大华（Dahua）公司的一款网络摄像机。 多款Dahua产品中存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。以下产品及版本受到影响：Dahua IPC-HDW1X2X 2019-8-18之前版本；IPC-HFW1X2X 2019-8-18之前版本；IPC-HDW2X2X 2019-8-18之前版本；IPC-HFW2X2X 2019-8

AI Predicted 8.6 Difficulty: Easy EPSS 1.14% · P66

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2019-9677

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The specific fields of CGI interface of some Dahua products are not strictly verified, an attacker can cause a buffer overflow by constructing malicious packets. Affected products include: IPC-HDW1X2X,IPC-HFW1X2X,IPC-HDW2X2X,IPC-HFW2X2X,IPC-HDW4X2X,IPC-HFW4X2X,IPC-HDBW4X2X,IPC-HDW5X2X,IPC-HFW5X2X for versions which Build time is before August 18, 2019.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
多款Dahua产品缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dahua IPC-HDW1X2X等都是中国大华（Dahua）公司的一款网络摄像机。 多款Dahua产品中存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。以下产品及版本受到影响：Dahua IPC-HDW1X2X 2019-8-18之前版本；IPC-HFW1X2X 2019-8-18之前版本；IPC-HDW2X2X 2019-8-18之前版本；IPC-HFW2X2X 2019-8
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Dahua Technology IPC-HDW1X2X,IPC-HFW1X2X,IPC-HDW2X2X,IPC-HFW2X2X,IPC-HDW4X2X,IPC-HFW4X2X,IPC-HDBW4X2X,IPC-HDW5X2X,IPC-HFW5X2X Versions which Build time before August 18 2019 -

II. Public POCs for CVE-2019-9677

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III. Intelligence Information for CVE-2019-9677

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Other References for CVE-2019-9677 (1)

Same Patch Batch · Dahua Technology · 2019-09-18 · 4 CVEs total

CVE-2019-9678 多款Dahua产品输入验证错误漏洞
CVE-2019-9679 多款Dahua产品安全漏洞
CVE-2019-9680 多款Dahua产品信息泄露漏洞

IV. Related Vulnerabilities

Same product: IPC-HDW1X2X,IPC-HFW1X2X,IPC-HDW2X2X,IPC-HFW2X2X,IPC-HDW4X2X,IPC-HFW4X2X,IPC-HDBW4X2X,IPC-HDW5X2X,IPC-HFW5X2X
Same vendor: Dahua Technology

V. Comments for CVE-2019-9677

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