CVE-2016-7433

Priority
Medium
Description
NTP before 4.2.8p9 does not properly perform the initial sync calculations,
which allows remote attackers to unspecified impact via unknown vectors,
related to a "root distance that did not include the peer dispersion."
References
Bugs
Notes
 mdeslaur> ntp-4.2.7p385, up to but not including ntp-4.2.8p9, and
 mdeslaur> ntp-4.3.0 up to, but not including ntp-4.3.94. But the
 mdeslaur> root-distance calculation in general is incorrect in all
 mdeslaur> versions of ntp-4 until this release.
 leosilva> for precise it's not needed since this issue seems to
 leosilva> be caused by some regression and precise hasn't the
 leosilva> code affect changed.
 mdeslaur> trusty isn't vulnerable either
Package
Source: ntp (LP Ubuntu Debian)
Upstream:released (1:4.2.8p9+dfsg-1, ntp-4.2.8p9)
Ubuntu 17.10 (Artful Aardvark):not-affected (1:4.2.8p9+dfsg-2ubuntu1)
Ubuntu 12.04 ESM (Precise Pangolin):not-affected
Ubuntu 14.04 LTS (Trusty Tahr):not-affected
Ubuntu Core 15.04:DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (1:4.2.8p4+dfsg-3ubuntu5.5)
Ubuntu 16.10 (Yakkety Yak):released (1:4.2.8p8+dfsg-1ubuntu2.1)
Ubuntu 17.04 (Zesty Zapus):not-affected (1:4.2.8p9+dfsg-2ubuntu1)
Patches:
Vendor:https://git.centos.org/blob/rpms!ntp.git/4eb1db127a6177011bd913bf4f446e8f701179d6/SOURCES!ntp-4.2.6p5-cve-2016-7433.patch
More Information

Updated: 2017-07-05 19:14:35 UTC (commit 12857)