CVEs-PoC/2020/CVE-2020-8290.md

### [CVE-2020-8290](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8290)
![](https://img.shields.io/static/v1?label=Product&message=Backblaze&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Improper%20Privilege%20Management%20(CWE-269)&color=brighgreen)

### Description

Backblaze for Windows and Backblaze for macOS before 7.0.0.439 suffer from improper privilege management in `bztransmit` helper due to lack of permission handling and validation before creation of client update directories allowing for local escalation of privilege via rogue client update binary.

### POC

#### Reference
- https://github.com/geffner/CVE-2020-8290/blob/master/README.md
- https://youtu.be/OpC6neWd2aM

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/developer3000S/PoC-in-GitHub
- https://github.com/geffner/CVE-2020-8290
- https://github.com/hectorgie/PoC-in-GitHub
- https://github.com/nomi-sec/PoC-in-GitHub
- https://github.com/soosmile/POC