CVE-2016-1547

Priority
Description
An off-path attacker can cause a preemptible client association to be
demobilized in NTP 4.2.8p4 and earlier and NTPSec
a5fb34b9cc89b92a8fef2f459004865c93bb7f92 by sending a crypto NAK packet to
a victim client with a spoofed source address of an existing associated
peer. This is true even if authentication is enabled.
Notes
mdeslaurfedora patch for CVE-2015-7979 also covers this CVE
Package
Source: ntp (LP Ubuntu Debian)
Upstream:released (1:4.2.8p7+dfsg-1)
Ubuntu 12.04 ESM (Precise Pangolin):released (1:4.2.6.p3+dfsg-1ubuntu3.11)
Ubuntu 14.04 ESM (Trusty Tahr):released (1:4.2.6.p5+dfsg-3ubuntu2.14.04.10)
Ubuntu 16.04 LTS (Xenial Xerus):released (1:4.2.8p4+dfsg-3ubuntu5.3)
Patches:
Upstream:http://bk1.ntp.org/ntp-stable/?PAGE=patch&REV=56ca82fbM-SM7MAKmqf27DRTW1r6KQ
Upstream:http://bk1.ntp.org/ntp-stable/?PAGE=patch&REV=5719625aNcSIWNqKMs4tNUS8r4xp-Q
Vendor:http://pkgs.fedoraproject.org/cgit/rpms/ntp.git/tree/ntp-4.2.6p5-cve-2015-7979.patch
More Information

Updated: 2020-01-29 19:54:26 UTC (commit 768ceb2fdee6790d707d0f681e1b54916744af1e)