Security update for ntp

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-2015-5219: 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).

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

Fixed bugs
bnc#1011395
VUL-0: CVE-2016-7431: ntp: Zero Origin timestamp regression
bnc#1011390
VUL-0: CVE-2016-7427: ntp: Broadcast Mode Replay Prevention DoS
bnc#1011398
VUL-0: CVE-2016-7434: ntp: read_mru_list() does inadequate incoming packet checks
bnc#992606
L3: Frequent IPv6 route updates are leading to increased system load due to ntpd
bnc#992038
ntpd complains OpenSSL version mismatch and apparmor DENIED
bnc#1009434
L3: sntp with option "-a" segfaults
bnc#1011377
VUL-0: CVE-2016-9310, CVE-2016-9311 : ntp: Mode 6 unauthenticated trap information disclosure and DDoS vector
bnc#1011411
VUL-0: CVE-2016-7433: ntp: Fix for bug 2085 broke initial sync calculations
bnc#1011404
VUL-0: CVE-2016-7429: ntp: Attack on interface selection
bnc#981252
ntp trap regression
bnc#1011406
VUL-0: CVE-2016-7426: ntp: Client rate limiting and server responses
bnc#1011417
VUL-0: CVE-2016-7428: ntp: Broadcast Mode Poll Interval Enforcement DoS
bnc#943216
VUL-1: CVE-2015-5219: ntp: infinite loop in sntp processing crafted packet
bnc#988028
"Operation not permitted" when waking up resolver after updating ntp
bnc#956365
Apparmor denies access for /usr/sbin/ntpd
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