CVEs-PoC/2009/CVE-2009-4492.md

### [CVE-2009-4492](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-4492)
![](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

WEBrick 1.3.1 in Ruby 1.8.6 through patchlevel 383, 1.8.7 through patchlevel 248, 1.8.8dev, 1.9.1 through patchlevel 376, and 1.9.2dev 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
No PoCs found on GitHub currently.