dx-packages team mailing list archive

[Maarten Winter <1321747@xxxxxxxxxxxxxxxxxx>]

Hi Seth,

The screen was locked automatically after me being away from the work
station for a couple of minutes.

Unlocking the screen was, as mentioned in the report, a matter of trial and error which involved pressing some keys (where I noticed nothing appeared in the password input field even though the caret was blinking in it) and then pressing enter a couple of times. 
I also clicked on the gear/logout icon and then on the password input field for trial and error, but am not sure if that's what got me out of the bad state.

In the Terminal I was running dpkg, followed by debsign (using GPG, so I
had to provide a password to unlock my key - a different password than
for logging in). Also Pidgin was running, but I'm not sure if that
received keyboard input or not.

Hope that helps, otherwise I'll try to provoke it again tomorrow and try
to narrow it down.

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https://bugs.launchpad.net/bugs/1321747

Title:
  Unity lock screen bypassed with debsign password prompt

Status in “unity” package in Ubuntu:
  New

Bug description:
  1) Ubuntu 14.04 LTS

  2) unity 7.2.0+14.04.20140423-0ubuntu1.2

  3) What I expected to happen:

  While the lock screen was active, and trying to type in the password
  prompt in the lock screen, my input would be written in that password
  prompt.

  4) What happened instead

  I could not see anything being written in the password field in the
  lock screen. Only after typing a wrong password two-three times, the
  lock screen password field was able to receive input.

  Further investigation showed, that the keyboard input instead ended up
  in a password prompt debsign spawned while the lock screen was active
  - a place where it under no circumstance should be able to end up
  while the lock screen is active.

  I'm not able to condense the bug report right now, but it seems quite
  serious to me, so I'd rather report it immediately.

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