[ubuntu/xenial-security] ntp 1:4.2.8p4+dfsg-3ubuntu5.3 (Accepted)

[Marc Deslauriers]

ntp (1:4.2.8p4+dfsg-3ubuntu5.3) xenial-security; urgency=medium

  * SECURITY UPDATE: Deja Vu replay attack on authenticated broadcast mode
    - debian/patches/CVE-2015-7973.patch: improve timestamp verification in
      include/ntp.h, ntpd/ntp_proto.c.
    - CVE-2015-7973
  * SECURITY UPDATE: impersonation between authenticated peers
    - debian/patches/CVE-2015-7974.patch: check key ID in ntpd/ntp_proto.c.
    - CVE-2015-7974
  * SECURITY UPDATE: ntpq buffer overflow
    - debian/patches/CVE-2015-7975.patch: add length check to ntpq/ntpq.c.
    - CVE-2015-7975
  * SECURITY UPDATE: ntpq saveconfig command allows dangerous characters in
    filenames
    - debian/patches/CVE-2015-7976.patch: check filename in
      ntpd/ntp_control.c.
    - CVE-2015-7976
  * SECURITY UPDATE: restrict list denial of service
    - debian/patches/CVE-2015-7977-7978.patch: improve restrict list
      processing in ntpd/ntp_request.c.
    - CVE-2015-7977
    - CVE-2015-7978
  * SECURITY UPDATE: authenticated broadcast mode off-path denial of
    service
    - debian/patches/CVE-2015-7979.patch: add more checks to
      ntpd/ntp_proto.c.
    - CVE-2015-7979
    - CVE-2016-1547
  * SECURITY UPDATE: Zero Origin Timestamp Bypass
    - debian/patches/CVE-2015-8138.patch: check p_org in ntpd/ntp_proto.c.
    - CVE-2015-8138
  * SECURITY UPDATE: potential infinite loop in ntpq
    - debian/patches/CVE-2015-8158.patch: add time checks to ntpdc/ntpdc.c,
      ntpq/ntpq.c.
    - CVE-2015-8158
  * SECURITY UPDATE: NTP statsdir cleanup cronjob insecure (LP: #1528050)
    - debian/ntp.cron.daily: fix security issues, patch thanks to halfdog!
    - CVE-2016-0727
  * SECURITY UPDATE: time spoofing via interleaved symmetric mode
    - debian/patches/CVE-2016-1548.patch: check for bogus packets in
      ntpd/ntp_proto.c.
    - CVE-2016-1548
  * SECURITY UPDATE: buffer comparison timing attacks
    - debian/patches/CVE-2016-1550.patch: use CRYPTO_memcmp in
      libntp/a_md5encrypt.c, sntp/crypto.c.
    - CVE-2016-1550
  * SECURITY UPDATE: DoS via duplicate IPs on unconfig directives
    - debian/patches/CVE-2016-2516.patch: improve logic in
      ntpd/ntp_request.c.
    - CVE-2016-2516
  * SECURITY UPDATE: denial of service via crafted addpeer
    - debian/patches/CVE-2016-2518.patch: check mode value in
      ntpd/ntp_request.c.
    - CVE-2016-2518
  * SECURITY UPDATE: denial of service via spoofed packets
    - debian/patches/CVE-2016-4954.patch: discard packet that fails tests
      in ntpd/ntp_proto.c.
    - CVE-2016-4954
  * SECURITY UPDATE: denial of service via spoofed crypto-NAK or incorrect
    MAC
    - debian/patches/CVE-2016-4955.patch: fix checks in ntpd/ntp_proto.c.
    - CVE-2016-4955
  * SECURITY UPDATE: denial of service via spoofed broadcast packet
    - debian/patches/CVE-2016-4956.patch: properly handle switch in
      broadcast interleaved mode in ntpd/ntp_proto.c.
    - CVE-2016-4956

Date: 2016-10-05 12:30:14.085754+00:00
Changed-By: Marc Deslauriers <marc.deslauriers at canonical.com>
https://launchpad.net/ubuntu/+source/ntp/1:4.2.8p4+dfsg-3ubuntu5.3
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