---
engine: ruby
cve: 2009-4492
osvdb: 61774
url: http://www.osvdb.org/show/osvdb/61774
title: WEBrick HTTP Request Escape Sequence Terminal Command Injection
date: 2010-01-10
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.
cvss_v2: 5.0
patched_versions:
  - ~> 1.8.6.388
  - ~> 1.8.7.249
  - ">= 1.9.1.378"