1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
Received: from sog-mx-2.v43.ch3.sourceforge.com ([172.29.43.192]
helo=mx.sourceforge.net)
by sfs-ml-2.v29.ch3.sourceforge.com with esmtp (Exim 4.76)
(envelope-from <pw@vps7135.xlshosting.net>) id 1S2mh6-0000hC-Sw
for bitcoin-development@lists.sourceforge.net;
Wed, 29 Feb 2012 16:48:00 +0000
X-ACL-Warn:
Received: from vps7135.xlshosting.net ([178.18.90.41])
by sog-mx-2.v43.ch3.sourceforge.com with esmtp (Exim 4.76)
id 1S2mh1-0005i9-8B for bitcoin-development@lists.sourceforge.net;
Wed, 29 Feb 2012 16:48:00 +0000
Received: by vps7135.xlshosting.net (Postfix, from userid 1000)
id 3123F603C7; Wed, 29 Feb 2012 17:47:49 +0100 (CET)
Date: Wed, 29 Feb 2012 17:47:48 +0100
From: Pieter Wuille <pieter.wuille@gmail.com>
To: Zooko Wilcox-O'Hearn <zooko@zooko.com>
Message-ID: <20120229164747.GA581@vps7135.xlshosting.net>
References: <CAPg+sBhb+gYMwp1OJuCHYt5=BU63=YBWOFaLLthHBkN_U-scaA@mail.gmail.com>
<CANdZDc7c5D7YmAn7GUO+--9U2Z3Lz-CR9E-QsKriVeMoudeipA@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <CANdZDc7c5D7YmAn7GUO+--9U2Z3Lz-CR9E-QsKriVeMoudeipA@mail.gmail.com>
X-PGP-Key: http://sipa.ulyssis.org/pubkey.asc
User-Agent: Mutt/1.5.20 (2009-06-14)
X-Spam-Score: 1.2 (+)
X-Spam-Report: Spam Filtering performed by mx.sourceforge.net.
See http://spamassassin.org/tag/ for more details.
0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider
(pieter.wuille[at]gmail.com)
0.0 DKIM_ADSP_CUSTOM_MED No valid author signature, adsp_override is
CUSTOM_MED
-0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay
domain 1.2 NML_ADSP_CUSTOM_MED ADSP custom_med hit,
and not from a mailing list
X-Headers-End: 1S2mh1-0005i9-8B
Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] Duplicate transactions vulnerability
X-BeenThere: bitcoin-development@lists.sourceforge.net
X-Mailman-Version: 2.1.9
Precedence: list
List-Id: <bitcoin-development.lists.sourceforge.net>
List-Unsubscribe: <https://lists.sourceforge.net/lists/listinfo/bitcoin-development>,
<mailto:bitcoin-development-request@lists.sourceforge.net?subject=unsubscribe>
List-Archive: <http://sourceforge.net/mailarchive/forum.php?forum_name=bitcoin-development>
List-Post: <mailto:bitcoin-development@lists.sourceforge.net>
List-Help: <mailto:bitcoin-development-request@lists.sourceforge.net?subject=help>
List-Subscribe: <https://lists.sourceforge.net/lists/listinfo/bitcoin-development>,
<mailto:bitcoin-development-request@lists.sourceforge.net?subject=subscribe>
X-List-Received-Date: Wed, 29 Feb 2012 16:48:01 -0000
On Tue, Feb 28, 2012 at 06:41:31PM -0700, Zooko Wilcox-O'Hearn wrote:
> Could you spell out the attack explicitly? Presumably there aren't a
> lot of people with the "malice energy" to perform the attack but not
> to figure it out for themselves. I, however, have the "niceness
> energy" to think about it for a few minutes but not to figure it out
> for myself. If in your opinion it is realistically dangerous to post
> it publicly, would you be so kind as to include me in the private
> sharing of the explanation?
It's not exactly a secret anymore, as the patch also references it.
Russell O'Connor described the attack on his blog:
http://r6.ca/blog/20120206T005236Z.html
--
Pieter
|
