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JFreeChart Image Map Cross-Site Scripting Vulnerabilities
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SUMMARY
<http://sourceforge.net/projects/jfreechart/> JFreeChart is "a popular
Java-based chart library used to generate charts and graphs of data. The
library includes support for generating HTML image maps, which allow for
enhanced interaction of the chart via hyperlinks bound to shapes specified
by coordinates".
Multiple cross-site scripting vulnerabilities exist within the image map
support functionality of JFreeChart which may allow an attacker to inject
arbitrary HTML or JavaScript into any product or website which uses the
library.
DETAILS
Vulnerable Systems:
* JFreeChart version 1.0.8
Immune Systems:
* JFreeChart version 1.0.8 branch "jfreechart-1.0.8-security"
JFreeChart fails to properly escape the following properties of the
generated image map:
* The chart name.
* The chart tool tip text.
* The href attribute for a chart area.
* The shape attribute for a chart area.
* The coords attribute for a chart area.
It is possible to inject custom HTML code into the code generated by the
JFreeChart library. If a web server uses this library to generate charts
from user-supplied data, an attacker could cause other users of the same
website or application to execute arbitrary JavaScript code when viewing a
page containing a chart.
Vendor status and information:
The JFreeChart project was notified of this vulnerability on November
28th, 2007 via their online bug tracking system. The vulnerability was
fixed on December 6th 2007 with a commit to their SVN repository.
ADDITIONAL INFORMATION
The information has been provided by <mailto:advisory@rapid7.com> Rapid7
Advisory.
The original article can be found at:
<http://www.rapid7.com/advisories/R7-0031.jsp>
http://www.rapid7.com/advisories/R7-0031.jsp
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