---
title: "CVE-2009-4611\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2009-4611?format=md
keywords: index, follow
---

# CVE-2009-4611

Publication date 13 January 2010

Last updated 24 July 2024

---

Ubuntu priority

**Negligible**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

Toggle side navigation

## Description

Mort Bay Jetty 6.x through 6.1.22 and 7.0.0 writes backtrace data 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, related to (1) a string value in the Age parameter to
the default URI for the Cookie Dump Servlet in
test-jetty-webapp/src/main/java/com/acme/CookieDump.java under cookie/, (2)
an alphabetic value in the A parameter to jsp/expr.jsp, or (3) an
alphabetic value in the Content-Length HTTP header to an arbitrary
application.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2009-4611?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| jetty | 11.10 oneiric | Not affected |
| 11.04 natty | Not affected |
| 10.10 maverick | Not affected |
| 10.04 LTS lucid | Not affected |
| 9.10 karmic | Ignored end of life |
| 9.04 jaunty | Ignored end of life |
| 8.10 intrepid | Ignored end of life, was needed |
| 8.04 LTS hardy | Ignored end of life |
| 6.06 LTS dapper | Ignored end of life |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Notes

---

### [jdstrand](https://launchpad.net/~jdstrand)

if there is a problem, it is the terminal that has the issue

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-4611)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2009-4611)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2009-4611)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2009-4611)

### Other references

* <http://www.ush.it/team/ush/hack-jetty6x7x/jetty-adv.txt>
* <https://www.cve.org/CVERecord?id=CVE-2009-4611>