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Slackware Security Advisory - ntp Updates

Slackware Security Advisory - ntp Updates
Posted Aug 18, 2018
Authored by Slackware Security Team | Site slackware.com

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

tags | advisory
systems | linux, slackware
advisories | CVE-2016-1549, CVE-2018-12327
MD5 | fd94efa813c7e01c38b5d1ad67d20058

Slackware Security Advisory - ntp Updates

Change Mirror Download

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

[slackware-security] ntp (SSA:2018-229-01)

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-4.2.8p12-i586-1_slack14.2.txz: Upgraded.
This release improves on one security fix in ntpd:
LOW/MEDIUM: Sec 3012: Sybil vulnerability: ephemeral association attack
While fixed in ntp-4.2.8p7 and with significant additional protections for
this issue in 4.2.8p11, ntp-4.2.8p12 includes a fix for an edge case in
the new noepeer support. Originally reported by Matt Van Gundy of Cisco.
Edge-case hole reported by Martin Burnicki of Meinberg.
And fixes another security issue in ntpq and ntpdc:
LOW: Sec 3505: The openhost() function used during command-line hostname
processing by ntpq and ntpdc can write beyond its buffer limit, which
could allow an attacker to achieve code execution or escalate to higher
privileges via a long string as the argument for an IPv4 or IPv6
command-line parameter. NOTE: It is unclear whether there are any common
situations in which ntpq or ntpdc is used with a command line from an
untrusted source. Reported by Fakhri Zulkifli.
For more information, see:
http://support.ntp.org/bin/view/Main/SecurityNotice#August_2018_ntp_4_2_8p12_NTP_Rel
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1549
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12327
(* Security fix *)
+--------------------------+


Where to find the new packages:
+-----------------------------+

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

Also see the "Get Slack" section on http://slackware.com for
additional mirror sites near you.

Updated package for Slackware 14.0:
ftp://ftp.slackware.com/pub/slackware/slackware-14.0/patches/packages/ntp-4.2.8p12-i486-1_slack14.0.txz

Updated package for Slackware x86_64 14.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.0/patches/packages/ntp-4.2.8p12-x86_64-1_slack14.0.txz

Updated package for Slackware 14.1:
ftp://ftp.slackware.com/pub/slackware/slackware-14.1/patches/packages/ntp-4.2.8p12-i486-1_slack14.1.txz

Updated package for Slackware x86_64 14.1:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.1/patches/packages/ntp-4.2.8p12-x86_64-1_slack14.1.txz

Updated package for Slackware 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/ntp-4.2.8p12-i586-1_slack14.2.txz

Updated package for Slackware x86_64 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/ntp-4.2.8p12-x86_64-1_slack14.2.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/ntp-4.2.8p12-i586-1.txz

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/n/ntp-4.2.8p12-x86_64-1.txz


MD5 signatures:
+-------------+

Slackware 14.0 package:
4a4cc8e4dc6964dc4521058ce776ce4e ntp-4.2.8p12-i486-1_slack14.0.txz

Slackware x86_64 14.0 package:
d3a0c36c39e1c0cf5e3b8707f948a180 ntp-4.2.8p12-x86_64-1_slack14.0.txz

Slackware 14.1 package:
7c42e1d9fa476c162be9375a7b662654 ntp-4.2.8p12-i486-1_slack14.1.txz

Slackware x86_64 14.1 package:
75472911bb9a76a949c94aa21471f6f0 ntp-4.2.8p12-x86_64-1_slack14.1.txz

Slackware 14.2 package:
2ecd58c0cb1f6d035b36de9098e0d075 ntp-4.2.8p12-i586-1_slack14.2.txz

Slackware x86_64 14.2 package:
96844a4152a8dba26ed73d91662122ce ntp-4.2.8p12-x86_64-1_slack14.2.txz

Slackware -current package:
dc3f52b871f3edc1a64e2d9ef1649591 n/ntp-4.2.8p12-i586-1.txz

Slackware x86_64 -current package:
ecd43289b917c81e682b9b00077c1409 n/ntp-4.2.8p12-x86_64-1.txz


Installation instructions:
+------------------------+

Upgrade the package as root:
# upgradepkg ntp-4.2.8p12-i586-1_slack14.2.txz

Then, restart the NTP daemon:

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


+-----+

Slackware Linux Security Team
http://slackware.com/gpg-key
security@slackware.com

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+------------------------------------------------------------------------+
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