SUSE SLES11 Security Update : ntp (SUSE-SU-2017:0255-1)

This script is Copyright (C) 2017 Tenable Network Security, Inc.


Synopsis :

The remote SUSE host is missing one or more security updates.

Description :

This update for ntp fixes the following issues: ntp was updated to
4.2.8p9. Security issues fixed :

- CVE-2016-9311, CVE-2016-9310, bsc#1011377: Mode 6
unauthenticated trap information disclosure and DDoS
vector.

- CVE-2016-7427, bsc#1011390: Broadcast Mode Replay
Prevention DoS.

- CVE-2016-7428, bsc#1011417: Broadcast Mode Poll Interval
Enforcement DoS.

- CVE-2016-7431, bsc#1011395: Regression: 010-origin: Zero
Origin Timestamp Bypass.

- CVE-2016-7434, bsc#1011398: NULL pointer dereference in
_IO_str_init_static_internal().

- CVE-2016-7429, bsc#1011404: Interface selection attack.

- CVE-2016-7426, bsc#1011406: Client rate limiting and
server responses.

- CVE-2016-7433, bsc#1011411: Reboot sync calculation
problem.

- CVE-2015-8140: ntpq vulnerable to replay attacks.

- CVE-2015-8139: Origin Leak: ntpq and ntpdc, disclose
origin.

- CVE-2015-5219: An endless loop due to incorrect
precision to double conversion (bsc#943216).
Non-security issues fixed :

- Fix a spurious error message.

- Other bugfixes, see
/usr/share/doc/packages/ntp/ChangeLog.

- Fix a regression in 'trap' (bsc#981252).

- Reduce the number of netlink groups to listen on for
changes to the local network setup (bsc#992606).

- Fix segfault in 'sntp -a' (bsc#1009434).

- Silence an OpenSSL version warning (bsc#992038).

- Make the resolver task change user and group IDs to the
same values as the main task. (bsc#988028)

- Simplify ntpd's search for its own executable to prevent
AppArmor warnings (bsc#956365).

Note that Tenable Network Security has extracted the preceding
description block directly from the SUSE security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

See also :

https://bugzilla.suse.com/1009434
https://bugzilla.suse.com/1011377
https://bugzilla.suse.com/1011390
https://bugzilla.suse.com/1011395
https://bugzilla.suse.com/1011398
https://bugzilla.suse.com/1011404
https://bugzilla.suse.com/1011406
https://bugzilla.suse.com/1011411
https://bugzilla.suse.com/1011417
https://bugzilla.suse.com/943216
https://bugzilla.suse.com/956365
https://bugzilla.suse.com/981252
https://bugzilla.suse.com/988028
https://bugzilla.suse.com/992038
https://bugzilla.suse.com/992606
https://www.suse.com/security/cve/CVE-2015-5219.html
https://www.suse.com/security/cve/CVE-2015-8139.html
https://www.suse.com/security/cve/CVE-2015-8140.html
https://www.suse.com/security/cve/CVE-2016-7426.html
https://www.suse.com/security/cve/CVE-2016-7427.html
https://www.suse.com/security/cve/CVE-2016-7428.html
https://www.suse.com/security/cve/CVE-2016-7429.html
https://www.suse.com/security/cve/CVE-2016-7431.html
https://www.suse.com/security/cve/CVE-2016-7433.html
https://www.suse.com/security/cve/CVE-2016-7434.html
https://www.suse.com/security/cve/CVE-2016-9310.html
https://www.suse.com/security/cve/CVE-2016-9311.html
http://www.nessus.org/u?c35c4ce7

Solution :

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

SUSE OpenStack Cloud 5:zypper in -t patch sleclo50sp3-ntp-12953=1

SUSE Manager Proxy 2.1:zypper in -t patch slemap21-ntp-12953=1

SUSE Manager 2.1:zypper in -t patch sleman21-ntp-12953=1

SUSE Linux Enterprise Server 11-SP3-LTSS:zypper in -t patch
slessp3-ntp-12953=1

SUSE Linux Enterprise Server 11-SP2-LTSS:zypper in -t patch
slessp2-ntp-12953=1

SUSE Linux Enterprise Point of Sale 11-SP3:zypper in -t patch
sleposp3-ntp-12953=1

SUSE Linux Enterprise Debuginfo 11-SP3:zypper in -t patch
dbgsp3-ntp-12953=1

SUSE Linux Enterprise Debuginfo 11-SP2:zypper in -t patch
dbgsp2-ntp-12953=1

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

Risk factor :

High / CVSS Base Score : 7.1
(CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:C)
CVSS Temporal Score : 5.9
(CVSS2#E:F/RL:OF/RC:ND)
Public Exploit Available : true

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