### [CVE-2018-18435](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18435) ![](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 KioWare Server version 4.9.6 and older installs by default to "C:\kioware_com" with weak folder permissions granting any user full permission "Everyone: (F)" to the contents of the directory and it's sub-folders. In addition, the program installs a service called "KWSService" which runs as "Localsystem", this will allow any user to escalate privileges to "NT AUTHORITY\SYSTEM" by substituting the service's binary with a malicious one. ### POC #### Reference - http://packetstormsecurity.com/files/151031/KioWare-Server-4.9.6-Privilege-Escalation.html - http://packetstormsecurity.com/files/151031/KioWare-Server-4.9.6-Privilege-Escalation.html - https://github.com/active-labs/Advisories/blob/master/2019/ACTIVE-2019-002.md - https://github.com/active-labs/Advisories/blob/master/2019/ACTIVE-2019-002.md - https://www.exploit-db.com/exploits/46093/ - https://www.exploit-db.com/exploits/46093/ #### Github - https://github.com/ARPSyndicate/cvemon