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Date: Mon, 23 Mar 2015 22:41:01 +0100
From: Marcus Meissner <>
Subject: Re: CVE for Kali Linux

On Tue, Mar 24, 2015 at 12:13:06AM +0300, Alexander Cherepanov wrote:
> On 2015-03-23 13:38, Marcus Meissner wrote:
> >>There are some attacks even if you verify signatures, e.g. serving
> >>old, known-vulnerable versions. HTTPS can help here (until
> >>signatures start to be widely accompanied by expiring timestamps or
> >>something).
> >
> >SUSE has added an expiry tag in the YUM metadata for such cases.
> It's nice to see progress in this area. Does SUSE guard against
> other attacks from [1] too?
> [1]

Our statements from 2008 (7 years ago) still stand and our package
manager does the full repository signing since 2006 already.

"Endless Data Attack" is open, as it is hard to solve for openSUSE with
its public mirror system.

The expiry was something added a bit later after the paper to address
the downgrade and replay attacks.

Ciao, Marcus

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