cve/2018/CVE-2018-20684.md

### [CVE-2018-20684](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20684)
![](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

In WinSCP before 5.14 beta, due to missing validation, the scp implementation would accept arbitrary files sent by the server, potentially overwriting unrelated files. This affects TSCPFileSystem::SCPSink in core/ScpFileSystem.cpp.

### POC

#### Reference
- https://sintonen.fi/advisories/scp-client-multiple-vulnerabilities.txt
- https://www.oracle.com/security-alerts/cpujan2020.html

#### Github
No PoCs found on GitHub currently.