Security update for ntp

SUSE Security Update: Security update for ntp
Announcement ID: SUSE-SU-2015:0865-1
Rating: moderate
References: #918342 #924202 #928321
Affected Products:
  • SUSE Linux Enterprise Server 12
  • SUSE Linux Enterprise Desktop 12

  • An update that fixes three vulnerabilities is now available.

    Description:

    ntp was updated to fix two security related flaws as well as "slew" mode
    handling for leap seconds.

    The following vulnerabilities were fixe:

    * ntpd could accept unauthenticated packets with symmetric key crypto.
    (CVE-2015-1798)
    * ntpd authentication did not protect symmetric associations against DoS
    attacks (CVE-2015-1799)
    * ntp-keygen may generate non-random symmetric keys on big-endian systems
    (bsc#928321, CVE-2015-3405).

    The following non-security issues were fixed:

    * Fix slew mode for leap seconds (bnc#918342).

    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 12:
      zypper in -t patch SUSE-SLE-SERVER-12-2015-193=1
    • SUSE Linux Enterprise Desktop 12:
      zypper in -t patch SUSE-SLE-DESKTOP-12-2015-193=1

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

    Package List:

    • SUSE Linux Enterprise Server 12 (ppc64le s390x x86_64):
      • ntp-4.2.6p5-44.1
      • ntp-debuginfo-4.2.6p5-44.1
      • ntp-debugsource-4.2.6p5-44.1
      • ntp-doc-4.2.6p5-44.1
    • SUSE Linux Enterprise Desktop 12 (x86_64):
      • ntp-4.2.6p5-44.1
      • ntp-debuginfo-4.2.6p5-44.1
      • ntp-debugsource-4.2.6p5-44.1
      • ntp-doc-4.2.6p5-44.1

    References: