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CVE-2014-5392 XML eXternal Entity (XXE) in "JobScheduler"



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CVE-2014-5392
===================
"XML eXternal Entity (XXE)" (CWE-611) vulnerability in "JobScheduler" product


Vendor
===================
Software- & Organisations-Service GmbH


Product
===================
"JobScheduler is a workload automation tool. It is used to launch JobScheduler objects, 
such as jobs and/or orders, at the occurrence of time, file or calendar events. JobScheduler 
was recognised in 2012 by Gartner Inc. with a placement in their Magic Quadrant for workload 
automation. JobScheduler provides solutions from simple to complex scheduling scenarios. 
It is available with an open source or a commercial licence."
 - source: http://www.sos-berlin.com/modules/cjaycontent/index.php?id=osource_scheduler_introduction_en.htm


Affected versions
===================
This vulnerability affects versions of JobScheduler prior to 1.7.4241 
as well as versions prior to 1.6.4246.


Patch
===================
The vendor has released patches for versions 1.7.x and 1.6.x at 
http://www.sos-berlin.com/modules/news/article.php?storyid=73
http://www.sos-berlin.com/modules/news/article.php?storyid=74


Reported by
===================
This issue was reported to the vendor by Christian Schneider (@cschneider4711) 
following a responsible disclosure process.


Severity
===================
High


Description
===================
Using a specially crafted request to access the web interface of JobScheduler it is possible 
to cause denial of service situations as well as list directories and contents of (sensitive) 
files from the filesystem of the server which has the JobScheduler web interface installed.


Proof of concept
===================
Due to the responsible disclosure process chosen and to not harm unpatched systems, 
no concrete exploit code will be presented in this advisory.


References
===================
http://www.sos-berlin.com/modules/news/article.php?storyid=73
http://www.sos-berlin.com/modules/news/article.php?storyid=74
http://www.christian-schneider.net/advisories/CVE-2014-5392.txt

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