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CVE-2022-2471— Stack-Based Buffer Overflow Vulnerability in the EZVIZ Motion Detection component

Quick assessment

Affected
EZVIZ CS-CV248
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.

EZVIZ CS-C6N-A0-1C2WFR等都是中国萤石（EZVIZ）公司的产品。EZVIZ CS-C6N-A0-1C2WFR是一款安全摄像机。EZVIZ CS-CV248是一款安全摄像机。EZVIZ CS-DB1C-A0-1E2W2FR是一款功能强大的可视门铃。 EZVIZ CS-CV248、CS-C6N-A0-1C2WFR、CS-DB1C-A0-1E2W2FR、CS-C6N-B0-1G2WF、CS-C3W-A0等存在安全漏洞，该漏洞源于Motion Detection组件中基于堆栈的缓冲区溢出，攻击

CVSS 9.9 · Critical EPSS 1.32% · P68

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-2471

Vulnerability Information
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Vulnerability Title
Stack-Based Buffer Overflow Vulnerability in the EZVIZ Motion Detection component
Source: CVE Program / CVE List V5
Vulnerability Description
Stack-based Buffer Overflow vulnerability in the EZVIZ Motion Detection component as used in camera models CS-CV248, CS-C6N-A0-1C2WFR, CS-DB1C-A0-1E2W2FR, CS-C6N-B0-1G2WF, CS-C3W-A0-3H4WFRL allows a remote attacker to execute remote code on the device. This issue affects: EZVIZ CS-CV248 versions prior to 5.2.3 build 220725. EZVIZ CS-C6N-A0-1C2WFR versions prior to 5.3.0 build 220428. EZVIZ CS-DB1C-A0-1E2W2FR versions prior to 5.3.0 build 220802. EZVIZ CS-C6N-B0-1G2WF versions prior to 5.3.0 build 220712. EZVIZ CS-C3W-A0-3H4WFRL versions prior to 5.3.5 build 220723.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
EZVIZ 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
EZVIZ CS-C6N-A0-1C2WFR等都是中国萤石（EZVIZ）公司的产品。EZVIZ CS-C6N-A0-1C2WFR是一款安全摄像机。EZVIZ CS-CV248是一款安全摄像机。EZVIZ CS-DB1C-A0-1E2W2FR是一款功能强大的可视门铃。 EZVIZ CS-CV248、CS-C6N-A0-1C2WFR、CS-DB1C-A0-1E2W2FR、CS-C6N-B0-1G2WF、CS-C3W-A0等存在安全漏洞，该漏洞源于Motion Detection组件中基于堆栈的缓冲区溢出，攻击
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
EZVIZ CS-CV248 unspecified ~ 5.2.3 build 220725 -
EZVIZ CS-C6N-A0-1C2WFR unspecified ~ 5.3.0 build 220428 -
EZVIZ CS-DB1C-A0-1E2W2FR unspecified ~ 5.3.0 build 220802 -
EZVIZ CS-C6N-B0-1G2WF unspecified ~ 5.3.0 build 220712 -
EZVIZ CS-C3W-A0-3H4WFRL unspecified ~ 5.3.5 build 220723 -

II. Public POCs for CVE-2022-2471

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III. Intelligence Information for CVE-2022-2471

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Security Blog Posts for CVE-2022-2471 (1)

IV. Related Vulnerabilities

Same vendor: EZVIZ
Same weakness: CWE-121

V. Comments for CVE-2022-2471

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