[ubuntu/xenial-updates] openssh 1:7.2p2-4ubuntu2.4 (Accepted)

[Ubuntu Archive Robot]

openssh (1:7.2p2-4ubuntu2.4) xenial-security; urgency=medium

  * SECURITY UPDATE: untrusted search path when loading PKCS#11 modules
    - debian/patches/CVE-2016-10009.patch: add a whitelist of paths from
      which ssh-agent will load a PKCS#11 module in ssh-agent.1,
      ssh-agent.c.
    - debian/patches/CVE-2016-10009-2.patch: fix deletion of PKCS#11 keys
      in ssh-agent.c.
    - debian/patches/CVE-2016-10009-3.patch: relax whitelist in
      ssh-agent.c.
    - debian/patches/CVE-2016-10009-4.patch: add missing label in
      ssh-agent.c.
    - CVE-2016-10009
  * SECURITY UPDATE: local privilege escalation via socket permissions when
    privilege separation is disabled
    - debian/patches/CVE-2016-10010.patch: disable Unix-domain socket
      forwarding when privsep is disabled in serverloop.c.
    - debian/patches/CVE-2016-10010-2.patch: unbreak Unix domain socket
      forwarding for root in serverloop.c.
    - CVE-2016-10010
  * SECURITY UPDATE: local information disclosure via effects of realloc on
    buffer contents
    - debian/patches/CVE-2016-10011-pre.patch: split allocation out of
      sshbuf_reserve() in sshbuf.c, sshbuf.h.
    - debian/patches/CVE-2016-10011.patch: pre-allocate the buffer used for
      loading keys in authfile.c.
    - CVE-2016-10011
  * SECURITY UPDATE: local privilege escalation via incorrect bounds check
    in shared memory manager
    - debian/patches/CVE-2016-10012-1.patch: remove support for
      pre-authentication compression in Makefile.in, monitor.c, monitor.h,
      monitor_mm.c, monitor_mm.h, monitor_wrap.h, myproposal.h, opacket.h,
      packet.c, packet.h, servconf.c, sshconnect2.c, sshd.c.
    - debian/patches/CVE-2016-10012-2.patch: restore pre-auth compression
      support in the client in kex.c, kex.h, packet.c, servconf.c,
      sshconnect2.c, sshd_config.5.
    - debian/patches/CVE-2016-10012-3.patch: put back some pre-auth zlib
      bits in kex.c, kex.h, packet.c.
    - CVE-2016-10012
  * SECURITY UPDATE: DoS via zero-length file creation in readonly mode
    - debian/patches/CVE-2017-15906.patch: disallow creation of empty files
      in sftp-server.c.
    - CVE-2017-15906

Date: 2018-01-18 14:08:13.318637+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/openssh/1:7.2p2-4ubuntu2.4
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