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Date: Mon, 12 Dec 2011 13:55:41 -0700
From: Kurt Seifried <kseifried@...hat.com>
To: oss-security@...ts.openwall.com
CC: Vincent Danen <vdanen@...hat.com>
Subject: Re: CVE request: putty does not wipe keyboard-interactive
 replies from memory after authentication

On 12/12/2011 10:47 AM, Vincent Danen wrote:
> Putty 0.59-0.61 does not wipe keyboard-interactive replies from memory
> after authentication.  If malware is installed on the system and can
> access arbitrary memory locations, or if the memory is swapped to disk
> or written in a crash dump file, it can expose sensitive authentication
> information like passwords, public-key passphrases, etc.
>
> This is fixed upstream in 0.62.
>
> Could a CVE be assigned to this?
>
> References:
>
> http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/password-not-wiped.html
>
> http://svn.tartarus.org/sgt?view=rev&revision=9357
> https://bugzilla.redhat.com/show_bug.cgi?id=766865
> http://bugs.gentoo.org/show_bug.cgi?id=394429
>
> Thanks.
>
Please use CVE-2011-4607 for this issue.

-- 

-Kurt Seifried / Red Hat Security Response Team

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