Security update for ntp

Announcement ID: SUSE-SU-2018:3356-1
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2018-12327 ( SUSE ): 4.0 CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • CVE-2018-12327 ( NVD ): 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2018-7170 ( SUSE ): 3.1 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
  • CVE-2018-7170 ( NVD ): 5.3 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
Affected Products:
  • SUSE Linux Enterprise Point of Service 11 SP3
  • SUSE Linux Enterprise Server 11 SP3 LTSS 11-SP3

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

Description:

NTP was updated to 4.2.8p12 (bsc#1111853):

  • CVE-2018-12327: Fixed stack buffer overflow in the openhost() command-line call of NTPQ/NTPDC. (bsc#1098531)
  • CVE-2018-7170: Add further tweaks to improve the fix for the ephemeral association time spoofing additional protection (bsc#1083424)

Please also see https://www.nwtime.org/network-time-foundation-publishes-ntp-4-2-8p12/ for more information.

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 Point of Service 11 SP3
    zypper in -t patch sleposp3-ntp-13833=1
  • SUSE Linux Enterprise Server 11 SP3 LTSS 11-SP3
    zypper in -t patch slessp3-ntp-13833=1

Package List:

  • SUSE Linux Enterprise Point of Service 11 SP3 (i586)
    • ntp-doc-4.2.8p12-48.21.1
    • ntp-4.2.8p12-48.21.1
  • SUSE Linux Enterprise Server 11 SP3 LTSS 11-SP3 (s390x x86_64 i586)
    • ntp-doc-4.2.8p12-48.21.1
    • ntp-4.2.8p12-48.21.1

References: