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Date: Thu, 02 Oct 2014 00:47:42 -0600
From: Kurt Seifried <kseifried@...hat.com>
To: oss-security@...ts.openwall.com
Subject: Re: CVE request: Remote code execution via XSL extensions
in SpagoBI
Just to confirm this isn't a troll ;) despite a scary sounding
contributor agreement SpagoBI is Open Source:
http://www.spagoworld.org/xwiki/bin/view/SpagoBI/OpenSource
On 02/10/14 12:40 AM, David Jorm wrote:
> Hi All
>
> Can a CVE ID please be assigned for part 1) of this issue:
>
> https://www.spagoworld.org/jira/browse/SPAGOBI-1885
>
> Anyone who has permission to define a document that uses the
> accessibility engine can supply an XSL file that will be used to
> transform the data in the presentation view. SpagoBI is using Xalan to
> perform the transformation, and there's two problems:
>
> 1) FEATURE_SECURE_PROCESSING is not set. This means an attacker can
> provide an XSL document with embedded Java code, which will be executed
> on the server.
>
> 2) SpagoBI is using Xalan 2.6.0. A flaw in this version means that if
> with FEATURE_SECURE_PROCESSING set, an attacker can bypass the
> restrictions, and provide XSL documents with embedded Java code. To
> address this, you need to upgrade to >= 2.7.2:
>
> https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2014-0107
>
> I have provided a reproducer to the developers via email.
>
> Thanks
> --
> David Jorm / Red Hat Product Security
--
Kurt Seifried -- Red Hat -- Product Security -- Cloud
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