CVE-2009-0783

Publication date 5 June 2009

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Apache Tomcat 4.1.0 through 4.1.39, 5.5.0 through 5.5.27, and 6.0.0 through 6.0.18 permits web applications to replace an XML parser used for other web applications, which allows local users to read or modify the (1) web.xml, (2) context.xml, or (3) tld files of arbitrary web applications via a crafted application that is loaded earlier than the target application.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
tomcat5	11.10 oneiric	Not in release
	11.04 natty	Not in release
	10.10 maverick	Not in release
	10.04 LTS lucid	Not in release
	9.10 karmic	Not in release
	9.04 jaunty	Not in release
	8.10 intrepid	Not in release
	8.04 LTS hardy	Not in release
	6.06 LTS dapper	Ignored end of life
tomcat5.5	11.10 oneiric	Not in release
	11.04 natty	Not in release
	10.10 maverick	Not in release
	10.04 LTS lucid	Not in release
	9.10 karmic	Not in release
	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	Not in release
tomcat6	11.10 oneiric	Not affected
	11.04 natty	Not affected
	10.10 maverick	Not affected
	10.04 LTS lucid	Not affected
	9.10 karmic	Not affected
	9.04 jaunty	Fixed 6.0.18-0ubuntu6.1
	8.10 intrepid	Fixed 6.0.18-0ubuntu3.2
	8.04 LTS hardy	Not in release
	6.06 LTS dapper	Not in release

Notes

mdeslaur

example PoC: https://issues.apache.org/bugzilla/show_bug.cgi?id=29936#c12

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
tomcat5.5	Upstream: http://svn.apache.org/viewvc?view=rev&revision=681156 Upstream: http://svn.apache.org/viewvc?view=rev&revision=781542
tomcat6	Upstream: http://svn.apache.org/viewvc?view=rev&revision=652592 Upstream: http://svn.apache.org/viewvc?view=rev&revision=739522

Severity score breakdown

Parameter	Value
Base score	4.2 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	High
User interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity impact	Low
Availability impact	Low
Vector	CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L