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openSUSE-SU-2018:0970-1: moderate: Security update for ntp
openSUSE Security Update: Security update for ntp
______________________________________________________________________________

Announcement ID: openSUSE-SU-2018:0970-1
Rating: moderate
References: #1077445 #1082063 #1082210 #1083417 #1083420
#1083422 #1083424 #1083426
Cross-References: CVE-2016-1549 CVE-2018-7170 CVE-2018-7182
CVE-2018-7183 CVE-2018-7184 CVE-2018-7185

Affected Products:
openSUSE Leap 42.3
______________________________________________________________________________

An update that solves 6 vulnerabilities and has two fixes
is now available.

Description:

This update for ntp fixes the following issues:

- Update to 4.2.8p11 (bsc#1082210):
* CVE-2016-1549: Sybil vulnerability: ephemeral association attack.
While fixed in ntp-4.2.8p7, there are significant additional
protections for this issue in 4.2.8p11.
* CVE-2018-7182: ctl_getitem(): buffer read overrun leads to undefined
behavior and information leak. (bsc#1083426)
* CVE-2018-7170: Multiple authenticated ephemeral associations.
(bsc#1083424)
* CVE-2018-7184: Interleaved symmetric mode cannot recover from bad
state. (bsc#1083422)
* CVE-2018-7185: Unauthenticated packet can reset authenticated
interleaved association. (bsc#1083420)
* CVE-2018-7183: ntpq:decodearr() can write beyond its buffer
limit.(bsc#1083417)
- Don't use libevent's cached time stamps in sntp. (bsc#1077445)

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


Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended
installation methods
like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Leap 42.3:

zypper in -t patch openSUSE-2018-376=1



Package List:

- openSUSE Leap 42.3 (i586 x86_64):

ntp-4.2.8p11-31.3.1
ntp-debuginfo-4.2.8p11-31.3.1
ntp-debugsource-4.2.8p11-31.3.1
ntp-doc-4.2.8p11-31.3.1


References:

https://www.suse.com/security/cve/CVE-2016-1549.html
https://www.suse.com/security/cve/CVE-2018-7170.html
https://www.suse.com/security/cve/CVE-2018-7182.html
https://www.suse.com/security/cve/CVE-2018-7183.html
https://www.suse.com/security/cve/CVE-2018-7184.html
https://www.suse.com/security/cve/CVE-2018-7185.html
https://bugzilla.suse.com/1077445
https://bugzilla.suse.com/1082063
https://bugzilla.suse.com/1082210
https://bugzilla.suse.com/1083417
https://bugzilla.suse.com/1083420
https://bugzilla.suse.com/1083422
https://bugzilla.suse.com/1083424
https://bugzilla.suse.com/1083426


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