SVG:Advisory-SVG-CVE-2017-8903

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Advisory-SVG-CVE-2017-8903




Title:       EGI SVG 'ALERT' [TLP:WHITE] Various Xen CVEs [EGI-SVG-CVE-2017-8903] 

Date:        2017-09-21
Updated:     2017-09-25   (recommend sites running Xen update a.s.a.p)


Affected software and risk
==========================

Various vulnerabilities concerning Xen are listed by Xen [R 1]

Package : Xen
CVE ID  : CVE-2017-8903 and many more

As far as SVG is aware, Xen is not in widespread use with respect to services for EGI, 
and none of these vulnerabilities should hence present a serious risk to EGI. 
If any site becomes aware that there is a serious problem concerning Xen, please inform us. 


Actions required/recommended
============================

**UPDATE 2017-09-25**

Sites are recommended to update as soon as possible, if they have not done so already.

If any site is aware that any of these or other vulnerabilities in Xen presents 
a serious problem, please inform the EGI SVG. 


Affected software details
=========================

See the Xen site [R 1] 

More information
================

See the Xen site [R 1]

SVG was alerted to these vulnerabilities. Xen is not in widespread use in the EGI infrastructure.

    XSA-213  CVE-2017-8903   
    XSA-214  CVE-2017-8904   
    XSA-215  CVE-2017-8905   

    XSA-217  CVE-2017-10912  
    XSA-218  CVE-2017-10913  
     idem    CVE-2017-10914  
    XSA-219  CVE-2017-10915  
    XSA-220  CVE-2017-10916  
    XSA-221  CVE-2017-10917  
    XSA-222  CVE-2017-10918  

    XSA-224  CVE-2017-10920  
     idem    CVE-2017-10921  
     idem    CVE-2017-10922  

    XSA-226  CVE-2017-12135  
    XSA-227  CVE-2017-12137  
    XSA-228  CVE-2017-12136  

    XSA-231  CVE-2017-14316  
    XSA-232  CVE-2017-14318  

    XSA-234  CVE-2017-14319



Component installation information
==================================

See the Xen site [R 1]


TLP and URL
===========

** WHITE information - Unlimited distribution - 
   see https://wiki.egi.eu/wiki/EGI_CSIRT:TLP for distribution restrictions***             

URL:   https://wiki.egi.eu/wiki/SVG:Advisory-SVG-CVE-2017-8903    

Minor updates may be made without re-distribution to the sites


Comments
========

Comments or questions should be sent to svg-rat  at  mailman.egi.eu

If you find or become aware of another vulnerability which is relevant to EGI you may report it by e-mail to  

report-vulnerability at egi.eu
 
the EGI Software Vulnerability Group will take a look according to the procedure defined in [R 2]  


References
==========

[R 1] https://xenbits.xen.org/xsa/

[R 2] https://documents.egi.eu/public/ShowDocument?docid=2538

Credit
======

SVG was alerted to these public vulnerabilities by Mischa Salle


Timeline  
========
Yyyy-mm-dd  [EGI-SVG-2017-CVE-2017-8903] 

2017-09-18 SVG alerted to these vulnerabilities by Mischa Salle 
2017-09-18 Acknowledgement from the EGI SVG to the reporter
2017-09-19 Investigation of vulnerability and relevance to EGI carried out
2017-09-20 Decided to send a simple alert to sites 
2017-09-21 Alert drafted. 
2017-09-22 Alert sent to sites and placed on wiki
2017-09-25 Recommend sites running Xen update a.s.a.p

Context
=======

This advisory has been prepared as part of the effort to fulfil EGI SVG's purpose 
"To minimize the risk to the EGI infrastructure arising from software vulnerabilities"

The risk is that assessed by the group, according to the EGI SVG issue handling procedure [R 2]  
in the context of how the software is used in the EGI infrastructure. It is the opinion of the group, 
we do not guarantee it to be correct. The risk may also be higher or lower in other deployments 
depending on how the software is used.   

Others may re-use this information provided they:-

1) Respect the provided TLP classification

2) Credit the EGI https://www.egi.eu/ Software Vulnerability Group



On behalf of the EGI SVG,



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