Membership information leak through options page.

Bug #2015416 reported by Mark Sapiro
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
GNU Mailman
Fix Committed
Low
Mark Sapiro

Bug Description

This is similar to but different from #1968443. The issue is on a list with private rosters an attempt to log in to the options page with an email address which is not a list member just returns the options login page with no error, but attempt to login with an email address which is a list member returns the page with a 401 status and an `Authentication failed.` error message.

This could be used to fish for membership on a list with private rosters.

Related branches

Revision history for this message
Mark Sapiro (msapiro) wrote :
Changed in mailman:
assignee: nobody → Mark Sapiro (msapiro)
importance: Undecided → Low
status: New → Fix Committed
information type: Private Security → Public
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