Re: [tor-dev] Torbirdy - IMAP issue

2013-12-06 Thread Sukhbir Singh
arkmd has opened a ticket #10309
[https://trac.torproject.org/projects/tor/ticket/10309] for this
issue. Let's continue the discussion there.

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Sukhbir
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Re: [tor-dev] Torbirdy - IMAP issue

2013-12-06 Thread arkmd
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA512

I've checked it again. Write, wait it to be saved, close and open your
email via web-mail. And thats my draft in cleartext on mailtor.net server:
> Testing draft.
> 
> Icedove 17.0.10 Enigmail 1.6 TorBirdy 0.1.2
> 
> That's it.

Nima Fatemi:
> It doesn't have anything to do with TorBirdy.

I did not say it is TorBirdy fault.

But yes it has everything to do with TorBirdy. It is an anonymity and
security tool and tries avoid leaks. Maybe you just don't see it as a
leak.

Anyway the users must know it may happen.

> All you really have to do, is to have Encryption on by default in 
> Enigmail. Your drafts are now going to be encrypted. Problem
> solved!

Sukhbir Singh:
> By default, Enigmail saves an encrypted copy of the message. This
> is the default setting [1] and I think it also confirms this when
> it saves an encrypted message for the first time. TorBirdy does
> not modify this setting so it should be enabled by default for
> Enigmail.

Enigmail asks to save an encrypted draft *only when you enable
encryption* to that message. If you forget to set the encryption and
write it will be saved in cleartext without asking anything.

When you are sending the email Enigmail asks if you really wanna send
unencrypted, but the draft already have been sent unencrypted on the
IMAP server.

Enigmail should ask *always* when saving a draft remotely. Even
locally it should.

And TorBirdy should help prevent this to happen.

grif...@cryptolab.net:
> Now Thunderbird is set to *not* automatically create/save drafts. 
> Works like a charm. =)

That should be default set by both Enigmail and TorBirdy.
Also should set to save locally, instead of remotely, if the user
wants to save a draft.

- -- 
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Re: [tor-dev] Torbirdy - IMAP issue

2013-12-06 Thread intrigeri
Sukhbir Singh wrote (06 Dec 2013 05:49:26 GMT) :
> (If I recall correctly, this issue was discussed before also but I
> can't seem to find the thread/ticket.)

IIRC it was discussed recently on libtech.

Cheers,
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Re: [tor-dev] Torbirdy - IMAP issue

2013-12-05 Thread griffin
  Amusingly, I've had this happen myself. Even though my default was set 
to encrypt outgoing messages, it still sent several unencrypted drafts 
to ioerror (of all people).[1]  *However*, I was not using TorBirdy -- 
just the combination of Thunderbird and Enigmail.


  Now Thunderbird is set to *not* automatically create/save drafts.  
Works like a charm. =)


~Griffin

[1] http://i.imgur.com/HWzAiJ3.gif

Il 06.12.2013 05:10 Nima Fatemi ha scritto:
It doesn't have anything to do with TorBirdy. All you really have to 
do,

is to have Encryption on by default in Enigmail.

Your drafts are now going to be encrypted. Problem solved!

Bests,
--
Nima
0XC009DB191C92A77B | mrphs - https://anarchy.io

"I disapprove of what you say, but I will defend to the death your 
right

to say it" --Evelyn Beatrice Hall

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Re: [tor-dev] Torbirdy - IMAP issue

2013-12-05 Thread Sukhbir Singh
Hi,

> Using Thunderbird+Enigmail+Torbirdy.

> To solve this the user need to manually set the account drafts
> settings (in Copies & Folders) to keep drafts on Local Folders.
>
> I think Torbirdy should do it by default.
>
> This info should be added to known issues on Torbirdy wiki.

(If I recall correctly, this issue was discussed before also but I
can't seem to find the thread/ticket.)

By default, Enigmail saves an encrypted copy of the message. This is
the default setting [1] and I think it also confirms this when it
saves an encrypted message for the first time. TorBirdy does not
modify this setting so it should be enabled by default for Enigmail.

If you did not change this setting but still observed this behavior,
please open a bug report [2] with all the relevant information
(version of Thunderbird, TorBirdy, Enigmail, etc.) so that I can check
this.

Come to think of it, perhaps we should disable the automatic save
feature altogether (#6337). Suggestions welcome.

[1] - https://www.enigmail.net/documentation/userprefs.php (see saveEncrypted)
[2] - https://trac.torproject.org/projects/tor/wiki/torbirdy/dev

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Re: [tor-dev] Torbirdy - IMAP issue

2013-12-05 Thread Nima Fatemi
It doesn't have anything to do with TorBirdy. All you really have to do,
is to have Encryption on by default in Enigmail.

Your drafts are now going to be encrypted. Problem solved!

Bests,
-- 
Nima
0XC009DB191C92A77B | mrphs - https://anarchy.io

"I disapprove of what you say, but I will defend to the death your right
to say it" --Evelyn Beatrice Hall

arkmd:
> Accessing an email server via IMAP may leak data by saving a draft on
> the remote server.
> 
> 
> Using Thunderbird+Enigmail+Torbirdy.
> 
> While writing a message on Thunderbird, it is automatically saved as a
> draft, which by default is sent to the IMAP server. So the server will
> be able to read that message.
> 
> That's a big problem when the message should be encrypted before sent.
> So the email provider will be able to read sensitive data on those
> drafts in cleartext and the user probably won't notice.
> 
> 
> To solve this the user need to manually set the account drafts
> settings (in Copies & Folders) to keep drafts on Local Folders.
> 
> I think Torbirdy should do it by default.
> 
> This info should be added to known issues on Torbirdy wiki.
> 
> 
> I know Torbirdy developers recommend POP over IMAP, but as a
> mailtor.net user I don't have any other option.
> 




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[tor-dev] Torbirdy - IMAP issue

2013-12-05 Thread arkmd
-BEGIN PGP SIGNED MESSAGE-
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Accessing an email server via IMAP may leak data by saving a draft on
the remote server.


Using Thunderbird+Enigmail+Torbirdy.

While writing a message on Thunderbird, it is automatically saved as a
draft, which by default is sent to the IMAP server. So the server will
be able to read that message.

That's a big problem when the message should be encrypted before sent.
So the email provider will be able to read sensitive data on those
drafts in cleartext and the user probably won't notice.


To solve this the user need to manually set the account drafts
settings (in Copies & Folders) to keep drafts on Local Folders.

I think Torbirdy should do it by default.

This info should be added to known issues on Torbirdy wiki.


I know Torbirdy developers recommend POP over IMAP, but as a
mailtor.net user I don't have any other option.

- -- 
arkmd
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