cve/2018/CVE-2018-20818.md

### [CVE-2018-20818](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20818)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

A buffer overflow vulnerability was discovered in the OpenPLC controller, in the OpenPLC_v2 and OpenPLC_v3 versions. It occurs in the modbus.cpp mapUnusedIO() function, which can cause a runtime crash of the PLC or possibly have unspecified other impact.

### POC

#### Reference
- https://arxiv.org/pdf/1809.07477
- https://arxiv.org/pdf/1809.07477

#### Github
No PoCs found on GitHub currently.
Update Sun May 26 14:27:04 CEST 2024 2024-05-26 14:27:05 +02:00			`### [CVE-2018-20818](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20818)`
			`![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)`
			`![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)`
			`![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)`

			`### Description`

			`A buffer overflow vulnerability was discovered in the OpenPLC controller, in the OpenPLC_v2 and OpenPLC_v3 versions. It occurs in the modbus.cpp mapUnusedIO() function, which can cause a runtime crash of the PLC or possibly have unspecified other impact.`

			`### POC`

			`#### Reference`
			`- https://arxiv.org/pdf/1809.07477`
Update CVE sources 2024-06-09 00:33 2024-06-09 00:33:16 +00:00			`- https://arxiv.org/pdf/1809.07477`
Update Sun May 26 14:27:04 CEST 2024 2024-05-26 14:27:05 +02:00
			`#### Github`
			`No PoCs found on GitHub currently.`