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Vulnerability Note VU#438616

Mortbay Jetty fails to properly handle cookies with quotes

Overview

Mortbay Jetty fails to properly handle cookie quotes, which may allow session hijacking.

I. Description

Mortbay Jetty is a web server that is written in Java. Jetty fails to properly handle cookies with certain quote sequences. This can cause the Jetty cookie parsing mechanism to improperly handle all of the cookies in the cookie string that follow the cookie with the quote sequence.

II. Impact

This vulnerability can increase the possibility of a session hijacking success. In the presense of a cross-site scripting vulnerability, it may allow a denial-of-service attack against a web site by preventing a client from being able to log in using cookies.

III. Solution

Apply an update

This issue is addressed in Mortbay Jetty 6.1.6. Details are available in the release notes.

Systems Affected

VendorStatusDate Updated
Mort BayVulnerable4-Dec-2007

References


http://svn.codehaus.org/jetty/jetty/trunk/VERSION.txt
http://dist.codehaus.org/jetty/jetty-6.1.6/

Credit

Thanks to Tomasz Kuczynski for reporting this vulnerability.

This document was written by Will Dormann.

Other Information

Date Public11/05/2007
Date First Published12/04/2007 01:05:14 PM
Date Last Updated12/03/2007
CERT Advisory 
CVE-ID(s)CVE-2007-5614
NVD-ID(s)CVE-2007-5614
US-CERT Technical Alerts 
Metric2.78
Document Revision4

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