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Jetty fails to properly process URLs that contain double / characters

Vulnerability Note VU#553235

Original Release Date: 2008-01-03 | Last Revised: 2008-01-23

Overview

The Jetty web server contains a vulnerability that may allow an attacker to access private files or directories.

Description

Jetty is a web server that is implemented in Java. Jetty contains a vulnerability in the way it processes URLs with multiple "/" (slash) characters. See the Jetty Double slash problem bug report for more information.

Impact

A remote unauthenticated attacker may be able view hidden or private files and directories.

Solution

Upgrade

Jetty version 6.1.7 has been released to address this issue.


Filter URLs

Until updates can be applied, administrators may be able to use an application firewall or reverse proxy server to filter "//" characters in URLs.

Vendor Information

553235
 
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Mort Bay Affected

Updated:  January 03, 2008

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

See http://jira.codehaus.org/browse/JETTY-386#action_117699 for more information.

If you have feedback, comments, or additional information about this vulnerability, please send us email.


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References

Acknowledgements

Thanks to Greg Wilkins for reporting this vulnerability and for providing information that was used in this report.

This document was written by Ryan Giobbi.

Other Information

CVE IDs: CVE-2007-6672
Severity Metric: 2.64
Date Public: 2007-12-28
Date First Published: 2008-01-03
Date Last Updated: 2008-01-23 20:39 UTC
Document Revision: 19

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