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From: Slackware Security Team <>
Subject: [slackware-security] ntp (SSA:2017-112-02)
Date: Sat, 22 Apr 2017 09:42:41 -0700 (PDT)
Hash: SHA1

[slackware-security]  ntp (SSA:2017-112-02)

New ntp packages are available for Slackware 13.0, 13.1, 13.37, 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-4.2.8p10-i586-1_slack14.2.txz:  Upgraded.
  In addition to bug fixes and enhancements, this release fixes security
  issues of medium and low severity:
  Denial of Service via Malformed Config (Medium)
  Authenticated DoS via Malicious Config Option (Medium)
  Potential Overflows in ctl_put() functions (Medium)
  Buffer Overflow in ntpq when fetching reslist from a malicious ntpd (Medium)
  0rigin DoS (Medium)
  Buffer Overflow in DPTS Clock (Low)
  Improper use of snprintf() in mx4200_send() (Low)
  The following issues do not apply to Linux systems:
  Privileged execution of User Library code (WINDOWS PPSAPI ONLY) (Low)
  Stack Buffer Overflow from Command Line (WINDOWS installer ONLY) (Low)
  Data Structure terminated insufficiently (WINDOWS installer ONLY) (Low)
  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 13.0:

Updated package for Slackware x86_64 13.0:

Updated package for Slackware 13.1:

Updated package for Slackware x86_64 13.1:

Updated package for Slackware 13.37:

Updated package for Slackware x86_64 13.37:

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 13.0 package:
e3e18355dbb881f31030c325d396691f  ntp-4.2.8p10-i486-1_slack13.0.txz

Slackware x86_64 13.0 package:
7ca81f398c6f3fc306cf5e0ce4821ff7  ntp-4.2.8p10-x86_64-1_slack13.0.txz

Slackware 13.1 package:
bb14e63e0ea28856fb14816848fad378  ntp-4.2.8p10-i486-1_slack13.1.txz

Slackware x86_64 13.1 package:
77bee4e0b7d7bae54c431210ba7b20f8  ntp-4.2.8p10-x86_64-1_slack13.1.txz

Slackware 13.37 package:
4424d362ec1dcb75d35560cc25f291b8  ntp-4.2.8p10-i486-1_slack13.37.txz

Slackware x86_64 13.37 package:
94bea621e2bad59b80553a9516c4ddb6  ntp-4.2.8p10-x86_64-1_slack13.37.txz

Slackware 14.0 package:
b9edb40c9e94a8248b57f96a0f7d0f49  ntp-4.2.8p10-i486-1_slack14.0.txz

Slackware x86_64 14.0 package:
d8a52549c46ca33833f68d7b063ab1f2  ntp-4.2.8p10-x86_64-1_slack14.0.txz

Slackware 14.1 package:
b36dd3b339aff2718dbd541a9f44b0a4  ntp-4.2.8p10-i486-1_slack14.1.txz

Slackware x86_64 14.1 package:
b55bc11c2aa8d0378005af5dbb105119  ntp-4.2.8p10-x86_64-1_slack14.1.txz

Slackware 14.2 package:
1e625a8f4732aa776992210eaac05f04  ntp-4.2.8p10-i586-1_slack14.2.txz

Slackware x86_64 14.2 package:
22f25f35765d0cb3ece21e5db79091cd  ntp-4.2.8p10-x86_64-1_slack14.2.txz

Slackware -current package:
78de6454532d6c7d52242eadab528d64  n/ntp-4.2.8p10-i586-1.txz

Slackware x86_64 -current package:
0522a4270909826999d07567e9a9de56  n/ntp-4.2.8p10-x86_64-1.txz

Installation instructions:

Upgrade the package as root:
# upgradepkg ntp-4.2.8p10-i586-1_slack14.2.txz

Then, restart the NTP daemon:

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

NOTE: On Slackware -current, first install the new etc package, and then
be sure to move the .new config files and rc.ntpd script into place before


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