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CVE-2020-16232— Yokogawa WideField3 Buffer Copy Without Checking Size of Input

Quick assessment

Affected
Yokogawa WideField3
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.

Yokogawa WideField3是日本横河电机（Yokogawa）公司的一款PLC编程软件。该软件包含了丰富实用的编程工具，包括强大的输入宏、采样显示、同步逻辑分析等多种功能，可以完美兼容F3SP71-4S和F3SP76-7S顺序型CPU模块。 WideField3 R1.01版本至R4.03版本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。

CVSS 2.8 · Low EPSS 0.74% · P53

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-16232

Vulnerability Information
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Vulnerability Title
Yokogawa WideField3 Buffer Copy Without Checking Size of Input
Source: CVE Program / CVE List V5
Vulnerability Description
In Yokogawa WideField3 R1.01 - R4.03, a buffer overflow could be caused when a user loads a maliciously crafted project file.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
Yokogawa WideField3 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Yokogawa WideField3是日本横河电机（Yokogawa）公司的一款PLC编程软件。该软件包含了丰富实用的编程工具，包括强大的输入宏、采样显示、同步逻辑分析等多种功能，可以完美兼容F3SP71-4S和F3SP76-7S顺序型CPU模块。 WideField3 R1.01版本至R4.03版本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。
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
Yokogawa WideField3 R1.01 ~ R4.03 -

II. Public POCs for CVE-2020-16232

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III. Intelligence Information for CVE-2020-16232

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Vendor Advisories for CVE-2020-16232 (1)

Other References for CVE-2020-16232 (1)

IV. Related Vulnerabilities

Same vendor: Yokogawa
Same weakness: CWE-120

V. Comments for CVE-2020-16232

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