From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sog-mx-4.v43.ch3.sourceforge.com ([172.29.43.194] helo=mx.sourceforge.net) by sfs-ml-3.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1QYPx1-0001jl-P6 for bitcoin-development@lists.sourceforge.net; Sun, 19 Jun 2011 21:54:39 +0000 X-ACL-Warn: Received: from mail-yw0-f47.google.com ([209.85.213.47]) by sog-mx-4.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-MD5:128) (Exim 4.76) id 1QYPx0-00006J-T5 for bitcoin-development@lists.sourceforge.net; Sun, 19 Jun 2011 21:54:39 +0000 Received: by ywa12 with SMTP id 12so1851365ywa.34 for ; Sun, 19 Jun 2011 14:54:33 -0700 (PDT) Received: by 10.236.67.98 with SMTP id i62mr6386156yhd.378.1308520473161; Sun, 19 Jun 2011 14:54:33 -0700 (PDT) Received: from [10.253.253.32] (cpe-70-124-63-160.austin.res.rr.com [70.124.63.160]) by mx.google.com with ESMTPS id e24sm3148998yhk.9.2011.06.19.14.54.31 (version=TLSv1/SSLv3 cipher=OTHER); Sun, 19 Jun 2011 14:54:32 -0700 (PDT) Sender: Doug From: Doug Huff Content-Type: multipart/signed; protocol="application/pgp-signature"; micalg=pgp-sha1; boundary="Apple-Mail-2--499212877" Date: Sun, 19 Jun 2011 16:54:28 -0500 Message-Id: <2B2201C1-E59F-47D4-BF67-08FDB0DDE386@jrbobdobbs.org> To: full-disclosure@lists.grok.org.uk Mime-Version: 1.0 (Apple Message framework v1084) Content-Transfer-Encoding: 7bit X-Pgp-Agent: GPGMail 1.3.3 X-Mailer: Apple Mail (2.1084) X-Spam-Score: 0.5 (/) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. 0.5 AWL AWL: From: address is in the auto white-list X-Headers-End: 1QYPx0-00006J-T5 Cc: Bitcoin Dev Subject: [Bitcoin-development] Bitcoin fun day! X-BeenThere: bitcoin-development@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 19 Jun 2011 21:54:39 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --Apple-Mail-2--499212877 Content-Type: multipart/signed; boundary=Apple-Mail-1--499212884; protocol="application/pkcs7-signature"; micalg=sha1 --Apple-Mail-1--499212884 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii In light of recent events in the "bitcoin community" I have decided that = private disclosure of issues is doing nothing but making them more = prevalent. In light of this decision I would like to report multiple CSRF = vulnerabilities in http://clearcoin.appspot.com . This set of CSRFs are particularly nasty since this is hosted on appspot = and uses google account auth. So long as you stay logged into your = google account you are vulnerable to this CSRF. Things tested: Changing refund address. Releasing funds. POC code (open this in any browser even from a local file): =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D test
=20 =20 (required)
=20 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D Javascript auto submittal, hiding in an iframe, and other obfuscation = methods are left as an exercise to the list. This site is run and maintained by Gavin Anderson, aka, the lead bitcoin = maintainer. You should know better Gavin. --=20 Douglas Huff --Apple-Mail-1--499212884 Content-Disposition: attachment; filename=smime.p7s Content-Type: application/pkcs7-signature; name=smime.p7s Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIKXDCCBN0w ggPFoAMCAQICEHGS++YZX6xNEoV0cTSiGKcwDQYJKoZIhvcNAQEFBQAwezELMAkGA1UEBhMCR0Ix GzAZBgNVBAgMEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4GA1UEBwwHU2FsZm9yZDEaMBgGA1UECgwR Q29tb2RvIENBIExpbWl0ZWQxITAfBgNVBAMMGEFBQSBDZXJ0aWZpY2F0ZSBTZXJ2aWNlczAeFw0w NDAxMDEwMDAwMDBaFw0yODEyMzEyMzU5NTlaMIGuMQswCQYDVQQGEwJVUzELMAkGA1UECBMCVVQx FzAVBgNVBAcTDlNhbHQgTGFrZSBDaXR5MR4wHAYDVQQKExVUaGUgVVNFUlRSVVNUIE5ldHdvcmsx ITAfBgNVBAsTGGh0dHA6Ly93d3cudXNlcnRydXN0LmNvbTE2MDQGA1UEAxMtVVROLVVTRVJGaXJz dC1DbGllbnQgQXV0aGVudGljYXRpb24gYW5kIEVtYWlsMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8A MIIBCgKCAQEAsjmFpPJ9q0E7YkY3rs3BYHW8OWX5ShpHornMSMxqmNVNNRm5pELlzkniii8efNIx B8dOtINknS4p1aJkxIW9hVE1eaROaJB7HHqkkqgX8pgV8pPMyaQylbsMTzC9mKALi+VuG6JG+ni8 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from mail-pz0-f47.google.com ([209.85.210.47]) by sog-mx-3.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1QYQYS-0000wd-Iw for bitcoin-development@lists.sourceforge.net; Sun, 19 Jun 2011 22:33:21 +0000 Received: by pzk36 with SMTP id 36so4126334pzk.34 for ; Sun, 19 Jun 2011 15:33:14 -0700 (PDT) MIME-Version: 1.0 Received: by 10.143.60.5 with SMTP id n5mr635919wfk.434.1308522794516; Sun, 19 Jun 2011 15:33:14 -0700 (PDT) Received: by 10.142.13.1 with HTTP; Sun, 19 Jun 2011 15:33:14 -0700 (PDT) In-Reply-To: <2B2201C1-E59F-47D4-BF67-08FDB0DDE386@jrbobdobbs.org> References: <2B2201C1-E59F-47D4-BF67-08FDB0DDE386@jrbobdobbs.org> Date: Sun, 19 Jun 2011 18:33:14 -0400 Message-ID: From: Gavin Andresen To: Doug Huff Content-Type: text/plain; charset=ISO-8859-1 X-Spam-Score: -1.6 (-) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. -1.5 SPF_CHECK_PASS SPF reports sender host as permitted sender for sender-domain 0.0 FREEMAIL_FROM Sender email is freemail (gavinandresen[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.0 RFC_ABUSE_POST Both abuse and postmaster missing on sender domain 0.0 AWL AWL: From: address is in the auto white-list X-Headers-End: 1QYQYS-0000wd-Iw Cc: Bitcoin Dev , full-disclosure@lists.grok.org.uk Subject: Re: [Bitcoin-development] Bitcoin fun day! X-BeenThere: bitcoin-development@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 19 Jun 2011 22:33:21 -0000 Some of us take private disclosures of vulnerabilities very seriously. In any case, the ClearCoin CSRF vulnerability is fixed. Thank you for bringing it to my attention. On Sun, Jun 19, 2011 at 5:54 PM, Doug Huff wrote: > In light of this decision I would like to report multiple CSRF vulnerabilities in http://clearcoin.appspot.com . > > This set of CSRFs are particularly nasty since this is hosted on appspot and uses google account auth. So long as you stay logged into your google account you are vulnerable to this CSRF. -- -- Gavin Andresen http://clearcoin.com/ From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sog-mx-3.v43.ch3.sourceforge.com ([172.29.43.193] helo=mx.sourceforge.net) by sfs-ml-1.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1QYQba-0001m1-5D for bitcoin-development@lists.sourceforge.net; Sun, 19 Jun 2011 22:36:34 +0000 X-ACL-Warn: Received: from mail-pv0-f175.google.com ([74.125.83.175]) by sog-mx-3.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1QYQbZ-00011K-4M for bitcoin-development@lists.sourceforge.net; Sun, 19 Jun 2011 22:36:34 +0000 Received: by pvf24 with SMTP id 24so708143pvf.34 for ; Sun, 19 Jun 2011 15:36:27 -0700 (PDT) MIME-Version: 1.0 Received: by 10.68.22.100 with SMTP id c4mr1870079pbf.270.1308522987149; Sun, 19 Jun 2011 15:36:27 -0700 (PDT) Sender: mith@jrbobdobbs.org Received: by 10.68.40.5 with HTTP; Sun, 19 Jun 2011 15:36:27 -0700 (PDT) Received: by 10.68.40.5 with HTTP; Sun, 19 Jun 2011 15:36:27 -0700 (PDT) In-Reply-To: References: <2B2201C1-E59F-47D4-BF67-08FDB0DDE386@jrbobdobbs.org> Date: Sun, 19 Jun 2011 17:36:27 -0500 X-Google-Sender-Auth: c7exuRZqC8WO_zkDj0Mp5Za52ds Message-ID: From: Douglas Huff To: Gavin Andresen Content-Type: multipart/alternative; boundary=bcaec5215e25d458cb04a6183f1c X-Spam-Score: 1.0 (+) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. 1.0 HTML_MESSAGE BODY: HTML included in message X-Headers-End: 1QYQbZ-00011K-4M Cc: Bitcoin Dev , full-disclosure@lists.grok.org.uk Subject: Re: [Bitcoin-development] Bitcoin fun day! X-BeenThere: bitcoin-development@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 19 Jun 2011 22:36:34 -0000 --bcaec5215e25d458cb04a6183f1c Content-Type: text/plain; charset=ISO-8859-1 I know. Please do not take this as a personal attack. Blame MagicalTux's irresponsible behaviour as of late. :( On Jun 19, 2011 5:34 PM, "Gavin Andresen" wrote: > Some of us take private disclosures of vulnerabilities very seriously. > > In any case, the ClearCoin CSRF vulnerability is fixed. Thank you for > bringing it to my attention. > > On Sun, Jun 19, 2011 at 5:54 PM, Doug Huff wrote: >> In light of this decision I would like to report multiple CSRF vulnerabilities in http://clearcoin.appspot.com . >> >> This set of CSRFs are particularly nasty since this is hosted on appspot and uses google account auth. So long as you stay logged into your google account you are vulnerable to this CSRF. > > > -- > -- > Gavin Andresen > http://clearcoin.com/ --bcaec5215e25d458cb04a6183f1c Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable

I know. Please do not take this as a personal attack. Blame MagicalTux&#= 39;s irresponsible behaviour as of late. :(

On Jun 19, 2011 5:34 PM, "Gavin Andresen&qu= ot; <gavinandresen@gmail.com<= /a>> wrote:
> Some of us take private disclos= ures of vulnerabilities very seriously.
>
> In any case, the ClearCoin CSRF vulnerability is fixed. Than= k you for
> bringing it to my attention.
>
> On Sun, Jun= 19, 2011 at 5:54 PM, Doug Huff <
dhuff@jrbobdobbs.org> wrote:
>> In light of this decision I would like to report multiple CSRF vul= nerabilities in http://clearcoin.a= ppspot.com .
>>
>> This set of CSRFs are particularly= nasty since this is hosted on appspot and uses google account auth. So lon= g as you stay logged into your google account you are vulnerable to this CS= RF.
>
>
> --
> --
> Gavin Andresen
> http://clearcoin.com/
--bcaec5215e25d458cb04a6183f1c--