oss-security - Re: CVE Request (ruby -- DNS spoofing vulnerability in resolv.rb)

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Date: Thu, 4 Sep 2008 12:01:04 -0400 (EDT)
From: "Steven M. Christey" <coley@...us.mitre.org>
To: oss-security@...ts.openwall.com, oss-security@...ts.openwall.com
cc: coley@...re.org
Subject: Re: CVE Request (ruby -- DNS spoofing vulnerability
 in resolv.rb)

On Wed, 3 Sep 2008, Jan Lieskovsky wrote:

>   could you please allocate an another CVE id
> for the DNS spoofing vulnerability in Ruby resolv.rb code.
>
> http://www.ruby-lang.org/en/news/2008/08/08/multiple-vulnerabilities-in-ruby/
> (part DNS spoofing vulnerability in resolv.rb)
>
>...
>

> The transaction IDs are assigned in sequential (n+1 order) and the
> source ports are always the same.

Use CVE-2008-3905, to be filled in soon.

We're treating this as a distinct issue because this is *REALLY* bad
randomness within a particular implementation, besides the inherent
limitation of DNS when source ports are fixed.

- Steve

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