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Date: Sun, 13 Jan 2013 12:46:32 -0700
From: Kurt Seifried <kseifried@...hat.com>
To: oss-security@...ts.openwall.com
CC: Florian Weimer <fw@...eb.enyo.de>, Steven Christey <coley@...re.org>
Subject: Re: DoS vulnerability in the BIND resolver (and potentially
 others)

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On 01/13/2013 03:26 AM, Florian Weimer wrote:
> Scott Brynen described a behavioral change in some of the UltraDNS 
> authorative name servers:
> 
> <https://lists.dns-oarc.net/pipermail/dns-operations/2013-January/009501.html>
>
>  Mark Andrews of ISC confirmed that this triggers a denial of
> service condition in the BIND recursive resolver:
> 
> <https://lists.dns-oarc.net/pipermail/dns-operations/2013-January/009506.html>
>
>  I think he is right, but this obviously has to be fixed in the 
> resolver.  Can this be assigned a CVE?

Uhmm I'm going to defer to Steven on this one:

1) is this a security issue? I'm not totally convinced it is. It's
definitely broken behaviour.
2) Does this get a single CVE or one per broken client software?

- -- 
Kurt Seifried Red Hat Security Response Team (SRT)
PGP: 0x5E267993 A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993

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