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On 14.09.13 14:15, Max Maass wrote:
> On 09/14/2013 01:56 PM, Lars Noodén wrote:
>> Hi,
> 
>> I notice that if a message draft is started encrypted and then 
>> postponed, it becomes unencrypted when the message is continued. 
>> The box becomes unchecked in the Encrypt Message checkbox under
>> the OpenPGP menu. Then, unless encryption is re-specified right
>> away, the draft seems to get saved unencrypted in the drafts
>> folder. This save is automatic after a few minutes, so there is
>> only a short window to manually restore the missing encryption.
>> That exposes the contents of the message if no action is taken.
> 
>> This happens every time a message is started, postponed and then 
>> resumed.
> 
>> The steps to reproduce it are as follows:
> 
>> 1.  start a message with encryption 2.  save it and then
>> postpone it, closing the message 3.  find the unfinished message
>> in the appropriate drafts folder and resume editing 4.  either
>> wait for the message to be saved (unencrypted) or repeat steps 2
>> and 3.
> 
>> The message will go from being encrypted to being unencrypted
>> every time.
> 
> I can confirm this behaviour on Linux x64 with latest (non-beta) 
> Enigmail and Thunderbird 17.0.8 (latest from ubuntu repositories). 
> Never noticed it before, but this is a big information leak.

Is my understanding correct that you only get this behavior if the
draft message is _not_ shown before you continue editing it, e.g. if
the preview pane is off?

- -Patrick
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