openSUSE Security Update: Security update for ntp
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Announcement ID: openSUSE-SU-2016:1636-1
Rating: important
References: #979302 #979981 #981422 #982056 #982064 #982065
#982066 #982067 #982068
Cross-References: CVE-2016-4953 CVE-2016-4954 CVE-2016-4955
CVE-2016-4956 CVE-2016-4957
Affected Products:
openSUSE Leap 42.1
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An update that solves 5 vulnerabilities and has four fixes
is now available.

Description:

ntp was updated to version 4.2.8p8 to fix five security issues.

These security issues were fixed:
– CVE-2016-4953: Bad authentication demobilizes ephemeral associations
(bsc#982065).
– CVE-2016-4954: Processing spoofed server packets (bsc#982066).
– CVE-2016-4955: Autokey association reset (bsc#982067).
– CVE-2016-4956: Broadcast interleave (bsc#982068).
– CVE-2016-4957: CRYPTO_NAK crash (bsc#982064).

These non-security issues were fixed:
– Keep the parent process alive until the daemon has finished
initialisation, to make sure that the PID file exists when the parent
returns.
– bsc#979302: Change the process name of the forking DNS worker process to
avoid the impression that ntpd is started twice.
– bsc#981422: Don’t ignore SIGCHILD because it breaks wait().
– bsc#979981: ntp-wait does not accept fractional seconds, so use 1
instead of 0.2 in ntp-wait.service.
– Separate the creation of ntp.keys and key #1 in it to avoid problems
when upgrading installations that have the file, but no key #1, which is
needed e.g. by “rcntp addserver”.

This update was imported from the SUSE:SLE-12-SP1:Update update project.

Patch Instructions:

To install this openSUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product:

– openSUSE Leap 42.1:

zypper in -t patch openSUSE-2016-750=1

To bring your system up-to-date, use “zypper patch”.

Package List:

– openSUSE Leap 42.1 (i586 x86_64):

ntp-4.2.8p8-24.1
ntp-debuginfo-4.2.8p8-24.1
ntp-debugsource-4.2.8p8-24.1
ntp-doc-4.2.8p8-24.1

References:

https://www.suse.com/security/cve/CVE-2016-4953.html
https://www.suse.com/security/cve/CVE-2016-4954.html
https://www.suse.com/security/cve/CVE-2016-4955.html
https://www.suse.com/security/cve/CVE-2016-4956.html
https://www.suse.com/security/cve/CVE-2016-4957.html
https://bugzilla.suse.com/979302
https://bugzilla.suse.com/979981
https://bugzilla.suse.com/981422
https://bugzilla.suse.com/982056
https://bugzilla.suse.com/982064
https://bugzilla.suse.com/982065
https://bugzilla.suse.com/982066
https://bugzilla.suse.com/982067
https://bugzilla.suse.com/982068

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