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Date: Wed, 12 Mar 2014 08:33:45 +0000
From: Paul <paul@...ws-mail.org>
To: "OSS Security List" <oss-security@...ts.openwall.com>
Subject: Re: CVE request: claws-mail vcalendar plugin stores user/password
in cleartext
On Mon, 10 Mar 2014 14:31:34 -0600
"Vincent Danen" <vdanen@...hat.com> wrote:
> Subject pretty much says it all. It's not a very exciting flaw but
> was brought to our attention.
>
> References:
>
> http://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=3099
> https://bugzilla.redhat.com/show_bug.cgi?id=1074683
I believe that a CVE request for this is probably overkill.
The vCalendar plugin does not support login credentials when
subscribing to a WebCal.
The user can work around this missing feature by adding their username
and password to the URI, e.g.
https://USERNAME:MYPASSWORD@...lserver/home/USERNAME/Calendar
The URI is stored in clear text, hence if the user chooses to work
around the missing feature their un/pw will be stored in clear text.
Similar behaviour can be witnessed in a number of other apps. For
example, if I bookmark
https://USERNAME:MYPASSWORD@...lserver/home/USERNAME/Calendar in
firefox, it will save the credentials in clear text.
There are some apps that will store what the user enters in a
password field as clear text, however Claws Mail is not one of them.
Therefore, on the Claws Mail bug tracker, this is marked as a feature
request and not as a security issue.
with regards
Paul
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