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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:       EGI SVG Advisory "Low" RISK - Potential for reduced availability of
             VOMS server

Date:        2013-09-17
Updated:     <date  yyyy-mm-dd>



A vulnerability has been found which may allow a Denial of Service attack on
a VOMS server. 

This problem has been solved in the version of VOMS available in the EGI UMD-2.

A vulnerable version of VOMS has never been available in EGI UMD-3. 


A vulnerability assessment was carried out on the VOMS server by Manuel Brugnoli
at the University of Barcelona.  A Vulnerability was found allowing a DoS attack
on the VOMS server by anyone able to connect to the VOMS server.  

Risk category

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

Affected software

This problem was found in VOMS version 2.0.2.

The file which fixes this is in the file:


Earlier versions may be affected. 

Component installation information

The official repository for the distribution of grid middleware for EGI sites is which contains the EGI Unified Middleware Distribution (UMD).

Sites using the EGI UMD should see:

Sites installing directly from EMI should see:


Sites are recommended to update relevant components in due course, if they have not 
upgraded in recent months. 


This vulnerability was reported by Manuel Brugnoli 


2012-01-17 Vulnerability reported by Manuel Brugnoli 
2012-01-17 Acknowledgement from the EGI SVG to the reporter
2012-01-17 Software providers responded and involved in investigation
2012-02-01 Assessment by the EGI Software Vulnerability Group reported to the software providers
2013-02-13 Updated packages available in the EGI UMD-2 
2013-08-19 After checking 'Low' risk issues, found fixed in UMD. 
2013-09-16 Public disclosure