[ubuntu/focal-updates] spice-vdagent 0.19.0-2ubuntu0.2 (Accepted)

[Ubuntu Archive Robot]

spice-vdagent (0.19.0-2ubuntu0.2) focal-security; urgency=medium

  * SECURITY UPDATE: Memory DoS via Arbitrary Entries in active_xfers Hash
    Table
    - debian/patches/CVE-2020-25650-1.patch: avoid agents allocating file
      transfers in src/vdagentd/vdagentd.c.
    - debian/patches/CVE-2020-25650-2.patch: avoid uncontrolled
      active_xfers allocations in src/vdagentd/vdagentd.c.
    - CVE-2020-25650
  * SECURITY UPDATE: Possible File Transfer DoS and Information Leak via
    active_xfers Hash Map
    - debian/patches/CVE-2020-25651-1.patch: cleanup active_xfers when the
      client disconnects in src/vdagentd/vdagentd.c.
    - debian/patches/CVE-2020-25651-2.patch: do not allow using an already
      used file-xfer id in src/vdagentd/vdagentd.c.
    - CVE-2020-25651
  * SECURITY UPDATE: Possibility to Exhaust File Descriptors in vdagentd
    - debian/patches/CVE-2020-25652-1.patch: avoid unlimited agent
      connections in src/udscs.c.
    - debian/patches/CVE-2020-25652-2.patch: limit number of agents per
      session to 1 in src/vdagentd/vdagentd.c.
    - CVE-2020-25652
  * SECURITY UPDATE: UNIX Domain Socket Peer PID Retrieved via SO_PEERCRED
    is Subject to Race Condition
    - debian/patches/CVE-2020-25653-1.patch: avoid user session hijacking
      in src/udscs.c, src/udscs.h, src/vdagentd/vdagentd.c.
    - debian/patches/CVE-2020-25653-2.patch: better check for sessions in
      src/vdagentd/console-kit.c, src/vdagentd/dummy-session-info.c,
      src/vdagentd/session-info.h, src/vdagentd/systemd-login.c,
      src/vdagentd/vdagentd.c.
    - CVE-2020-25653
  * Additional fixes:
    - debian/patches/CVE-2020-2565x-1.patch: avoid calling chmod in
      src/vdagentd/vdagentd.c.

Date: 2020-11-02 22:05:13.419999+00:00
Changed-By: Marc Deslauriers <marc.deslauriers at canonical.com>
Signed-By: Ubuntu Archive Robot <cjwatson+ubuntu-archive-robot at chiark.greenend.org.uk>
https://launchpad.net/ubuntu/+source/spice-vdagent/0.19.0-2ubuntu0.2
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