PublicDateAtUSN: 2017-01-13
Candidate: CVE-2016-7431
PublicDate: 2017-01-13 16:59:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7431
 https://ubuntu.com/security/notices/USN-3349-1
Description:
 NTP before 4.2.8p9 allows remote attackers to bypass the origin timestamp
 protection mechanism via an origin timestamp of zero.  NOTE: this
 vulnerability exists because of a CVE-2015-8138 regression.
Ubuntu-Description:
Notes:
 mdeslaur> ntp-4.2.8p8 and ntp-4.3.93
Bugs:
 http://support.ntp.org/bin/view/Main/NtpBug3102
Priority: medium
Discovered-by: Sharon Goldberg and Aanchal Malhotra
Assigned-to:
CVSS:
 nvd: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N [5.3 MEDIUM]

Patches_ntp:
 upstream: http://bk1.ntp.org/ntp-stable/?PAGE=cset&REV=57ff44d0W6suoUHdd2ZvRM3z87j2QA
upstream_ntp: released (1:4.2.8p9+dfsg-1, 4.2.8p9)
precise_ntp: not-affected (1:4.2.6.p3+dfsg-1ubuntu3.11)
precise/esm_ntp: not-affected (1:4.2.6.p3+dfsg-1ubuntu3.11)
trusty_ntp: not-affected (1:4.2.6.p5+dfsg-3ubuntu2.14.04.10)
trusty/esm_ntp: not-affected (1:4.2.6.p5+dfsg-3ubuntu2.14.04.10)
vivid/stable-phone-overlay_ntp: ignored (reached end-of-life)
vivid/ubuntu-core_ntp: DNE
xenial_ntp: not-affected (1:4.2.8p4+dfsg-3ubuntu5.3)
esm-infra/xenial_ntp: not-affected (1:4.2.8p4+dfsg-3ubuntu5.3)
yakkety_ntp: released (1:4.2.8p8+dfsg-1ubuntu2.1)
zesty_ntp: not-affected (1:4.2.8p9+dfsg-2ubuntu1)
devel_ntp: not-affected (1:4.2.8p9+dfsg-2ubuntu1)