funsec mailing list archives

Re: Leaks in Patch for Web Security Hole


From: Gadi Evron <ge () linuxbox org>
Date: Sun, 10 Aug 2008 06:49:45 -0500 (CDT)

On Sun, 10 Aug 2008, Larry Seltzer wrote:
Vixie said "11 seconds".  So the patch added a work factor of roughly
3,600, rather than the 64K that *full* randomization would have added.
Or he just got lucky and it happened to work in the first 5% of the
attack...
But then, it was *known* that the patches merely made it harder to
hit the hole, and DNSSEC is needed to *totally* fix the issue.

Well then we're completely screwed because nothing is going to get
DNSSEC implemented quickly, and the 10 hour number is going to get
shorter with improvements in hardware and increased parallelism.

I guess its time for DNS greylisting and DNS White Lists.

I can't wait for bind plugins.

DD:'ing dns-ops, let's move this discussion there.

        Gadi.
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