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From: Slackware Security Team <>
Subject: [slackware-security] ntp (SSA:2009-343-01)
Date: Thu, 10 Dec 2009 00:39:43 -0800 (PST)
Hash: SHA1

[slackware-security]  ntp (SSA:2009-343-01)

New ntp packages are available for Slackware 8.1, 9.0, 9.1, 10.0, 10.1, 10.2,
11.0, 12.0, 12.1, 12.2, 13.0, and -current to fix a security issue.  If a
spoofed mode 7 packet is sent to a vulnerable NTP daemon it may cause CPU
and/or disk space exhaustion, resulting in a denial of service.

More details about this issue may be found in the Common
Vulnerabilities and Exposures (CVE) database:

Here are the details from the Slackware 13.0 ChangeLog:
patches/packages/ntp-4.2.4p8-i486-1_slack13.0.txz:  Upgraded.
  Prevent a denial-of-service attack involving spoofed mode 7 packets.
  For more information, see:
  (* Security fix *)

Where to find the new packages:

HINT:  Getting slow download speeds from
Give a try.  This is another primary FTP site
for Slackware that can be considerably faster than downloading
directly from

Thanks to the friendly folks at the OSU Open Source Lab
( for donating additional 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 8.1:

Updated package for Slackware 9.0:

Updated package for Slackware 9.1:

Updated package for Slackware 10.0:

Updated package for Slackware 10.1:

Updated package for Slackware 10.2:

Updated package for Slackware 11.0:

Updated package for Slackware 12.0:

Updated package for Slackware 12.1:

Updated package for Slackware 12.2:

Updated package for Slackware 13.0:

Updated package for Slackware x86_64 13.0:

Updated package for Slackware -current:

Updated package for Slackware x86_64 -current:

MD5 signatures:

Slackware 8.1 package:
cf159af385eff1f3e7ee97dd31181a50  ntp-4.2.2p3-i386-2_slack8.1.tgz

Slackware 9.0 package:
281891ce933cc51b4da7c4856c2e9a7a  ntp-4.2.2p3-i386-2_slack9.0.tgz

Slackware 9.1 package:
8ba51d005758c1d42db139730e9552ab  ntp-4.2.2p3-i486-2_slack9.1.tgz

Slackware 10.0 package:
d4494f109da2f947515bf8ca40db2e6b  ntp-4.2.2p3-i486-2_slack10.0.tgz

Slackware 10.1 package:
3ed65c1bda71156978424de0f13436f9  ntp-4.2.2p3-i486-2_slack10.1.tgz

Slackware 10.2 package:
345eced7dc1135943f119c8ae066fbde  ntp-4.2.2p3-i486-2_slack10.2.tgz

Slackware 11.0 package:
e5fbcad45bb274ebee2c6c11b0c18a73  ntp-4.2.2p3-i486-3_slack11.0.tgz

Slackware 12.0 package:
d367da8f356c71ee915957280fe731b2  ntp-4.2.4p8-i486-1_slack12.0.tgz

Slackware 12.1 package:
3632138b29c2f73f027be03b220da30c  ntp-4.2.4p8-i486-1_slack12.1.tgz

Slackware 12.2 package:
450f8b3cdf63cc61ea6d2baa9c9ebb00  ntp-4.2.4p8-i486-1_slack12.2.tgz

Slackware 13.0 package:
af0c7662fb258ffd6f34f4ca68ee6553  ntp-4.2.4p8-i486-1_slack13.0.txz

Slackware x86_64 13.0 package:
77dfe4dfe7f35e02e9cd455b0d82e79f  ntp-4.2.4p8-x86_64-1_slack13.0.txz

Slackware -current package:
22f81c7c0856aa55846323f9376dbdbf  ntp-4.2.4p8-i486-1.txz

Slackware x86_64 -current package:
1d6562a98631f5f8601f696a7b4d7ed7  ntp-4.2.4p8-x86_64-1.txz

Installation instructions:

Upgrade the package as root:
# upgradepkg ntp-4.2.4p8-i486-1_slack13.0.txz

Then, restart ntpd.


Slackware Linux Security Team

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