[ubuntu/disco-updates] apport 2.20.10-0ubuntu27.2 (Accepted)

Ubuntu Archive Robot cjwatson+ubuntu-archive-robot at chiark.greenend.org.uk
Wed Oct 30 05:58:14 UTC 2019


apport (2.20.10-0ubuntu27.2) disco-security; urgency=medium

  * SECURITY UPDATE: apport reads arbitrary files if ~/.config/apport/settings
    is a symlink (LP: #1830862)
    - apport/fileutils.py: drop permissions before reading user settings file.
    - CVE-2019-11481
  * SECURITY UPDATE: TOCTTOU race conditions and following symbolic
    links when creating a core file (LP: #1839413)
    - data/apport: use file descriptor to reference to cwd instead
      of strings.
    - CVE-2019-11482
  * SECURITY UPDATE: fully user controllable lock file due to lock file
    being located in world-writable directory (LP: #1839415)
    - data/apport: create and use lock file from /var/lock/apport.
    - CVE-2019-11485
  * SECURITY UPDATE: per-process user controllable Apport socket file
    (LP: #1839420)
    - data/apport: forward crashes only under a valid uid and gid,
      thanks Stéphane Graber for the patch.
    - CVE-2019-11483
  * SECURITY UPDATE: PID recycling enables an unprivileged user to
    generate and read a crash report for a privileged process (LP: #1839795)
    - data/apport: drop permissions before adding proc info (special thanks
      to Kevin Backhouse for the patch)
    - data/apport, apport/report.py, apport/ui.py: only access or open
      /proc/[pid] through a file descriptor for that directory.
    - CVE-2019-15790

Date: 2019-10-30 04:37:22.583934+00:00
Changed-By: Tiago Stürmer Daitx <tiago.daitx at canonical.com>
Signed-By: Ubuntu Archive Robot <cjwatson+ubuntu-archive-robot at chiark.greenend.org.uk>
https://launchpad.net/ubuntu/+source/apport/2.20.10-0ubuntu27.2
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