Security update for ntp

Announcement ID: SUSE-SU-2019:13991-1
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2019-8936 ( SUSE ): 5.3 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
  • CVE-2019-8936 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2019-8936 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • SLES for SAP Applications 11-SP4
  • SUSE Linux Enterprise Server 11 SP4

An update that solves one vulnerability and has one security fix can now be installed.

Description:

This update for ntp fixes the following issues:

Security issue fixed:

  • CVE-2019-8936: Fixed a null pointer exception which could allow an authenticated attcker to cause segmentation fault to ntpd (bsc#1128525).

Other issues addressed:

  • Make sure that SLE12 version is higher than the one in SLE11 (bsc#1001182).
  • Fixed several bugs in the BANCOMM reclock driver.
  • Fixed ntp_loopfilter.c snprintf compilation warnings.
  • Fixed spurious initgroups() error message.
  • Fixed STA_NANO struct timex units.
  • Fixed GPS week rollover in libparse.
  • Fixed incorrect poll interval in packet.
  • Added a missing check for ENABLE_CMAC.

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • SUSE Linux Enterprise Server 11 SP4
    zypper in -t patch slessp4-ntp-13991=1
  • SLES for SAP Applications 11-SP4
    zypper in -t patch slessp4-ntp-13991=1

Package List:

  • SUSE Linux Enterprise Server 11 SP4 (s390x x86_64 i586 ppc64 ia64)
    • ntp-4.2.8p13-64.13.1
    • ntp-doc-4.2.8p13-64.13.1
  • SLES for SAP Applications 11-SP4 (ppc64 x86_64)
    • ntp-4.2.8p13-64.13.1
    • ntp-doc-4.2.8p13-64.13.1

References: