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CVE-2022-1068— Modbus Tools Modbus Slave Stack-Based Buffer Overflow

Quick assessment

Affected
Modbus Tools Modbus Slave
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Modbus Slave是一款用于PLC的设备模拟器，主要用于PLC编程。 Modbus Slave 存在安全漏洞，该漏洞源于易受registration字段中基于堆栈的缓冲区溢出的影响。当使用长字符串时，会导致程序崩溃。

CVSS 5.5 · Medium EPSS 0.96% · P59

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2022-1068

Vulnerability Information
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Vulnerability Title
Modbus Tools Modbus Slave Stack-Based Buffer Overflow
Source: CVE Program / CVE List V5
Vulnerability Description
Modbus Tools Modbus Slave (versions 7.4.2 and prior) is vulnerable to a stack-based buffer overflow in the registration field. This may cause the program to crash when a long character string is used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Modbus Slave 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Modbus Slave是一款用于PLC的设备模拟器，主要用于PLC编程。 Modbus Slave 存在安全漏洞，该漏洞源于易受registration字段中基于堆栈的缓冲区溢出的影响。当使用长字符串时，会导致程序崩溃。
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
Modbus Tools Modbus Slave unspecified ~ 7.4.2 -

II. Public POCs for CVE-2022-1068

# POC Description Source Link Shenlong Link
1 Modbus Slave缓冲区溢出漏洞CVE-2022-1068分析与复现 https://github.com/webraybtl/CVE-2022-1068 POC Details
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III. Intelligence Information for CVE-2022-1068

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Vendor Advisories for CVE-2022-1068 (1)

IV. Related Vulnerabilities

Same product: Modbus Slave
Same vendor: Modbus Tools
Same weakness: CWE-121

V. Comments for CVE-2022-1068

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