CVEs-PoC/2018/CVE-2018-6390.md

### [CVE-2018-6390](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6390)
![](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

The WStr::assign function in kso.dll in Kingsoft WPS Office 10.1.0.7106 and 10.2.0.5978 does not validate the size of the source memory block before an _copy call, which allows remote attackers to cause a denial of service (access violation and application crash) via a crafted (a) web page, (b) office document, or (c) .rtf file.

### POC

#### Reference
- https://github.com/Khwarezmia/WPS_POC/tree/master/wps_20180129

#### Github
- https://github.com/bryanvnguyen/WordPress-PT
- https://github.com/yud121212/WordPress-PT