[Bug 266821] Re: privacy hole in password reminder

Mark Sapiro mark at msapiro.net
Wed May 19 15:18:10 CEST 2010

We know that plain text emailed passwords are a bad idea. This will be
fixed in MM 3.

For MM 2.1, as a list member, you can turn off the periodic reminder for
any list of which you are a member. As a list owner, you can turn off
all periodic reminders from your lists. As a site admin, you can turn
off all periodic reminders from the site.

That leaves only the "request an immediate reminder and intercept the
email" attack as a vulnerability. The list subscribe form says:

  You may enter a privacy password below. This provides only mild security,
  but should prevent others from messing with your subscription.
  *Do not use a valuable password* as it will occasionally be emailed back to you in cleartext.

which implies that such a password, even if it is not an autogenerated
one, is less likely to work in other contexts.

** Changed in: mailman
   Importance: Medium => High

** Changed in: mailman
       Status: New => Triaged

** Changed in: mailman
    Milestone: None => mailman-2.2-3.0

privacy hole in password reminder
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