cve/2018/CVE-2018-7843.md

### [CVE-2018-7843](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7843)
![](https://img.shields.io/static/v1?label=Product&message=Modicon%20M580%20Modicon%20M340%20Modicon%20Quantum%20Modicon%20Premium&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Multiple%20Vulnerabilities&color=brighgreen)

### Description

A CWE-248: Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause denial of service when reading memory blocks with an invalid data size or with an invalid data offset in the controller over Modbus.

### POC

#### Reference
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0738

#### Github
- https://github.com/yanissec/CVE-2018-7843