Secure testing team - Jul 2011 - Bug#635878: PRNG weaknesses

Package: ruby1.8
Version: 1.8.7.352-1
Severity: grave
Tags: security

Please see the following posting on oss-security:

--------
> On 07/11/2011 02:07 PM, Ludwig Nussel wrote:
>
> > http://www.ruby-lang.org/en/news/2011/07/02/ruby-1-8-7-p352-released/
> > http://redmine.ruby-lang.org/issues/4579
> >
http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=31713
> >
http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=32050
>
> Looking at the above patches, there seems to be two issues here,
> perhaps
> it needs two CVE ids to be assigned?
>
> 1.
http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=31713
>
> This one pertains to rand returning same values in forked processes.
> http://redmine.ruby-lang.org/issues/show/4338
> This is a regression, as it was fixed in 1.8.6-p114, but re-appeared in
> 1.8.6-p399.
Let''s use CVE-2011-2686 for this one.
>
> 2.
http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=32050
>
> This is an issue in the securerandom.rb module.
> http://redmine.ruby-lang.org/issues/4579
>
Use CVE-2011-2705 for this.
----------

Cheers,
        Moritz

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