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Vulnerability of NTP: denial of service via Broadcast Server Synchronization

Synthesis of the vulnerability 

An attacker can trigger a fatal error via Broadcast Server Synchronization of NTP, in order to trigger a denial of service.
Vulnerable software: Meinberg NTP Server, NTP.org, openSUSE Leap, Solaris, SUSE Linux Enterprise Desktop, SLES.
Severity of this announce: 2/4.
Creation date: 01/07/2020.
Références of this computer vulnerability: CVE-2018-8956, openSUSE-SU-2020:0934-1, openSUSE-SU-2020:1007-1, SUSE-SU-2020:14415-1, SUSE-SU-2020:1805-1, SUSE-SU-2020:1823-1, VIGILANCE-VUL-32653.

Description of the vulnerability 

An attacker can trigger a fatal error via Broadcast Server Synchronization of NTP, in order to trigger a denial of service.
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This computer threat announce impacts software or systems such as Meinberg NTP Server, NTP.org, openSUSE Leap, Solaris, SUSE Linux Enterprise Desktop, SLES.

Our Vigil@nce team determined that the severity of this computer vulnerability is medium.

The trust level is of type confirmed by the editor, with an origin of internet client.

An attacker with a expert ability can exploit this cybersecurity alert.

Solutions for this threat 

NTP: solution for Broadcast Server Synchronization.
The version 4.2.8p15 is fixed as SUSE said, but no official announce was done by NTP.org.

openSUSE Leap 15.1: new ntp packages.
New packages are available:
  openSUSE Leap 15.1: ntp 4.2.8p15-lp151.2.3.1

openSUSE Leap 15.2: new ntp packages.
New packages are available:
  openSUSE Leap 15.2: ntp 4.2.8p15-lp152.3.3.1

Oracle Solaris: patch for third party software of July 2020 v2.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1

SUSE LE 11 SP4: new ntp packages.
New packages are available:
  SUSE LE 11 SP4: ntp 4.2.8p15-64.16.1

SUSE LE 12 SP2-5: new ntp packages.
New packages are available:
  SUSE LE 12 SP2: ntp 4.2.8p15-88.1
  SUSE LE 12 SP3: ntp 4.2.8p15-88.1
  SUSE LE 12 SP4: ntp 4.2.8p15-88.1
  SUSE LE 12 SP5: ntp 4.2.8p15-88.1

SUSE LE 15: new ntp packages.
New packages are available:
  SUSE LE 15 RTM: ntp 4.2.8p15-4.10.1
  SUSE LE 15 SP1: ntp 4.2.8p15-4.10.1
  SUSE LE 15 SP2: ntp 4.2.8p15-4.10.1
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