PublicDateAtUSN: 2017-01-13
Candidate: CVE-2016-7428
PublicDate: 2017-01-13 16:59:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7428
 http://www.talosintelligence.com/reports/TALOS-2016-0130/
 https://ubuntu.com/security/notices/USN-3349-1
 https://ubuntu.com/security/notices/USN-3707-2
Description:
 ntpd in NTP before 4.2.8p9 allows remote attackers to cause a denial of
 service (reject broadcast mode packets) via the poll interval in a
 broadcast packet.
Ubuntu-Description:
Notes:
 mdeslaur> ntp-4.2.8p6, up to but not including ntp-4.2.8p9, and ntp-4.3.90
 mdeslaur> up to, but not including ntp-4.3.94
 mdeslaur>
 mdeslaur> introduced with CVE-2015-7973 patch
Bugs:
 http://support.ntp.org/bin/view/Main/NtpBug3113
Priority: low
Discovered-by: Matthew Van Gundy
Assigned-to:
CVSS:
 nvd: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L [4.3 MEDIUM]

Patches_ntp:
 upstream: http://bk1.ntp.org/ntp-stable/?PAGE=cset&REV=58087060DCRnphupdSD9lErtsIGR4w
upstream_ntp: released (1:4.2.8p9+dfsg-1)
precise_ntp: ignored (reached end-of-life)
precise/esm_ntp: released (1:4.2.6.p3+dfsg-1ubuntu3.12)
trusty_ntp: released (1:4.2.6.p5+dfsg-3ubuntu2.14.04.11)
trusty/esm_ntp: released (1:4.2.6.p5+dfsg-3ubuntu2.14.04.11)
vivid/stable-phone-overlay_ntp: ignored (reached end-of-life)
vivid/ubuntu-core_ntp: DNE
xenial_ntp: released (1:4.2.8p4+dfsg-3ubuntu5.5)
esm-infra/xenial_ntp: released (1:4.2.8p4+dfsg-3ubuntu5.5)
yakkety_ntp: released (1:4.2.8p8+dfsg-1ubuntu2.1)
zesty_ntp: not-affected (1:4.2.8p9+dfsg-2ubuntu1)
artful_ntp: not-affected (1:4.2.8p9+dfsg-2ubuntu1)
bionic_ntp: not-affected (1:4.2.8p9+dfsg-2ubuntu1)
cosmic_ntp: not-affected (1:4.2.8p9+dfsg-2ubuntu1)
devel_ntp: not-affected (1:4.2.8p9+dfsg-2ubuntu1)