Security update for ntp

SUSE Security Update: Security update for ntp
Announcement ID: SUSE-SU-2016:3193-1
Rating: moderate
References: #1009434 #1011377 #1011390 #1011395 #1011398 #1011404 #1011406 #1011411 #1011417 #943216 #956365 #981252 #988028 #992038 #992606
Affected Products:
  • SUSE Linux Enterprise Server 11-SP4
  • SUSE Linux Enterprise Debuginfo 11-SP4

  • An update that solves 12 vulnerabilities and has three fixes is now available.

    Description:


    This update for ntp fixes the following issues:

    - Simplify ntpd's search for its own executable to prevent AppArmor
    warnings (bsc#956365).

    Security issues fixed (update to 4.2.8p9):

    - CVE-2016-9311, CVE-2016-9310, bsc#1011377: Mode 6 unauthenticated trap
    information disclosure and DDoS vector.
    - CVE-2016-7427, bsc#1011390: Broadcast Mode Replay Prevention DoS.
    - CVE-2016-7428, bsc#1011417: Broadcast Mode Poll Interval Enforcement DoS.
    - CVE-2016-7431, bsc#1011395: Regression: 010-origin: Zero Origin
    Timestamp Bypass.
    - CVE-2016-7434, bsc#1011398: Null pointer dereference in
    _IO_str_init_static_internal().
    - CVE-2016-7429, bsc#1011404: Interface selection attack.
    - CVE-2016-7426, bsc#1011406: Client rate limiting and server responses.
    - CVE-2016-7433, bsc#1011411: Reboot sync calculation problem.
    - CVE-2015-5219: An endless loop due to incorrect precision to double
    conversion (bsc#943216).
    - CVE-2015-8140: ntpq vulnerable to replay attacks.
    - CVE-2015-8139: Origin Leak: ntpq and ntpdc, disclose origin.
    - CVE-2015-5219: An endless loop due to incorrect precision to double
    conversion (bsc#943216).

    Non-security issues fixed:

    - Fix a spurious error message.
    - Other bugfixes, see /usr/share/doc/packages/ntp/ChangeLog.
    - Fix a regression in "trap" (bsc#981252).
    - Reduce the number of netlink groups to listen on for changes to the
    local network setup (bsc#992606).
    - Fix segfault in "sntp -a" (bsc#1009434).
    - Silence an OpenSSL version warning (bsc#992038).
    - Make the resolver task change user and group IDs to the same values as
    the main task. (bsc#988028)

    Patch Instructions:

    To install this SUSE Security Update use YaST online_update.
    Alternatively you can run the command listed for your product:

    • SUSE Linux Enterprise Server 11-SP4:
      zypper in -t patch slessp4-ntp-12895=1
    • SUSE Linux Enterprise Debuginfo 11-SP4:
      zypper in -t patch dbgsp4-ntp-12895=1

    To bring your system up-to-date, use "zypper patch".

    Package List:

    • SUSE Linux Enterprise Server 11-SP4 (i586 ia64 ppc64 s390x x86_64):
      • ntp-4.2.8p9-57.2
      • ntp-doc-4.2.8p9-57.2
    • SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ia64 ppc64 s390x x86_64):
      • ntp-debuginfo-4.2.8p9-57.2
      • ntp-debugsource-4.2.8p9-57.2

    References: