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Main page Software Security Checklist Issue Handling Advisories Notes On Risk Advisory Template More


** WHITE information - Unlimited distribution allowed                       **  

** see for distribution restrictions **


Title:       Low Risk - VOMS file vulnerability 
Date:        2011-06-20
Updated:     2011-07-14



A Vulnerability has found in the VOMS server which allows the overwriting of files.

This vulnerability is not applicable in VOMS 2.0 as available from the EGI UMD-1 release. 


A vulnerability has been found which allows anyone with an account on the VOMS server
to overwrite files on the VOMS server.   

This problem does not occur in VOMS 2.0 as available from the EGI UMD-1 release. 

This vulnerability is only exploitable by anyone with an account on the same host
as the VOMS server, which should not be the case. 

Risk Category

This issue has been assessed as 'Low' risk by the EGI SVG Risk Assessment Team.  

Affected Software

All versions of the VOMS server prior to VOMS 2.0. 



Component Installation information

Sites may upgrade to  EGI UMD-1


Sites should upgrade to VOMS version 2.0 as available in the EGI UMD [R 1]  in due course.
Sites are reminded that user accounts and/or other user access should not be in place on the 
same host as the VOMS server.  Access to the VOMS server should be restricted to local site 


This vulnerability was reported by Steve Traylen. 




2011-05-09 Vulnerability reported by Steve Traylen.
2011-05-09 Acknowlegement from the EGI SVG to the reporter
2011-05-09 Software providers responded and involved in investigation
2011-05-11 Assessment by the EGI Software Vulnerability Group reported to the software providers
2011-05-11 Confirmation from Software providers that this is not a problem in VOMS 2.0 available
           in EMI.
2011-07-12 Updated packages available in the EGI UMD
2011-07-28 Public disclosure