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Date: Thu, 1 Mar 2018 15:49:07 -0800 (PST)
From: Slackware Security Team <>
Subject: [Newsletter/Marketing] [slackware-security]  ntp 

Hash: SHA1

[slackware-security]  ntp (SSA:2018-060-02)

New ntp packages are available for Slackware 14.0, 14.1, 14.2, and -current to
fix security issues.

Here are the details from the Slackware 14.2 ChangeLog:
patches/packages/ntp-4.2.8p11-i586-1_slack14.2.txz:  Upgraded.
  This release addresses five security issues in ntpd:
  * LOW/MEDIUM: Sec 3012 / CVE-2016-1549 / VU#961909: Sybil vulnerability:
    ephemeral association attack. While fixed in ntp-4.2.8p7, there are
    significant additional protections for this issue in 4.2.8p11.
    Reported by Matt Van Gundy of Cisco.
  * INFO/MEDIUM: Sec 3412 / CVE-2018-7182 / VU#961909: ctl_getitem(): buffer
    read overrun leads to undefined behavior and information leak.
    Reported by Yihan Lian of Qihoo 360.
  * LOW: Sec 3415 / CVE-2018-7170 / VU#961909: Multiple authenticated
    ephemeral associations. Reported on the questions@ list.
  * LOW: Sec 3453 / CVE-2018-7184 / VU#961909: Interleaved symmetric mode
    cannot recover from bad state. Reported by Miroslav Lichvar of Red Hat.
  * LOW/MEDIUM: Sec 3454 / CVE-2018-7185 / VU#961909: Unauthenticated packet
    can reset authenticated interleaved association.
    Reported by Miroslav Lichvar of Red Hat.
  For more information, see:
  (* Security fix *)

Where to find the new packages:

Thanks to the friendly folks at the OSU Open Source Lab
( for donating FTP and rsync hosting
to the Slackware project!  :-)

Also see the "Get Slack" section on for
additional mirror sites near you.

Updated package for Slackware 14.0:

Updated package for Slackware x86_64 14.0:

Updated package for Slackware 14.1:

Updated package for Slackware x86_64 14.1:

Updated package for Slackware 14.2:

Updated package for Slackware x86_64 14.2:

Updated package for Slackware -current:

Updated package for Slackware x86_64 -current:

MD5 signatures:

Slackware 14.0 package:
01c86ddfabec68d52877336258d064c7  ntp-4.2.8p11-i486-1_slack14.0.txz

Slackware x86_64 14.0 package:
b2d36d96f9a4d84df3586d38b8b47389  ntp-4.2.8p11-x86_64-1_slack14.0.txz

Slackware 14.1 package:
78b4e9221e725dcb45160950bfc926d0  ntp-4.2.8p11-i486-1_slack14.1.txz

Slackware x86_64 14.1 package:
e0d32ed484e02ad28c59838e6407d549  ntp-4.2.8p11-x86_64-1_slack14.1.txz

Slackware 14.2 package:
81690d8e511b403f0fe89c1d120f5049  ntp-4.2.8p11-i586-1_slack14.2.txz

Slackware x86_64 14.2 package:
d2c877e3d1b9c7ce003ef090c7610c74  ntp-4.2.8p11-x86_64-1_slack14.2.txz

Slackware -current package:
c3ee95d3944b09c2e891883dc5411a6f  n/ntp-4.2.8p11-i586-1.txz

Slackware x86_64 -current package:
fa9c7a8aca0c769791e34a8e48e6d260  n/ntp-4.2.8p11-x86_64-1.txz

Installation instructions:

Upgrade the package as root:
# upgradepkg ntp-4.2.8p11-i586-1_slack14.2.txz

Then, restart the NTP daemon:

# sh /etc/rc.d/rc.ntpd restart


Slackware Linux Security Team

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