### [CVE-2017-9811](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9811)
![](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 kluser is able to interact with the kav4fs-control binary in Kaspersky Anti-Virus for Linux File Server before Maintenance Pack 2 Critical Fix 4 (version 8.0.4.312). By abusing the quarantine read and write operations, it is possible to elevate the privileges to root.

### POC

#### Reference
- http://packetstormsecurity.com/files/143190/Kaspersky-Anti-Virus-File-Server-8.0.3.297-XSS-CSRF-Code-Execution.html
- http://seclists.org/fulldisclosure/2017/Jun/33
- https://www.coresecurity.com/advisories/kaspersky-anti-virus-file-server-multiple-vulnerabilities
- https://www.exploit-db.com/exploits/42269/

#### Github
- https://github.com/lean0x2F/lean0x2f.github.io