cve/2009/CVE-2009-4496.md

### [CVE-2009-4496](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-4496)
![](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

Boa 0.94.14rc21 writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, or possibly execute arbitrary commands or overwrite files, via an HTTP request containing an escape sequence for a terminal emulator.

### POC

#### Reference
- http://www.ush.it/team/ush/hack_httpd_escape/adv.txt

#### Github
- https://github.com/Findorgri/boa-0.94.13
- https://github.com/Knighthana/YABWF
- https://github.com/costasvassilakis/boa-0.94.13