openSUSE Security Update : ntp (openSUSE-2015-767)

This script is Copyright (C) 2015-2017 Tenable Network Security, Inc.


Synopsis :

The remote openSUSE host is missing a security update.

Description :

This ntp update provides the following security and non security
fixes :

- Update to 4.2.8p4 to fix several security issues
(bsc#951608) :

- CVE-2015-7871: NAK to the Future: Symmetric association
authentication bypass via crypto-NAK

- CVE-2015-7855: decodenetnum() will ASSERT botch instead
of returning FAIL on some bogus values

- CVE-2015-7854: Password Length Memory Corruption
Vulnerability

- CVE-2015-7853: Invalid length data provided by a custom
refclock driver could cause a buffer overflow

- CVE-2015-7852 ntpq atoascii() Memory Corruption
Vulnerability

- CVE-2015-7851 saveconfig Directory Traversal
Vulnerability

- CVE-2015-7850 remote config logfile-keyfile

- CVE-2015-7849 trusted key use-after-free

- CVE-2015-7848 mode 7 loop counter underrun

- CVE-2015-7701 Slow memory leak in CRYPTO_ASSOC

- CVE-2015-7703 configuration directives 'pidfile' and
'driftfile' should only be allowed locally

- CVE-2015-7704, CVE-2015-7705 Clients that receive a KoD
should validate the origin timestamp field

- CVE-2015-7691, CVE-2015-7692, CVE-2015-7702 Incomplete
autokey data packet length checks

- obsoletes ntp-memlock.patch.

- Add a controlkey line to /etc/ntp.conf if one does not
already exist to allow runtime configuuration via ntpq.

See also :

https://bugzilla.opensuse.org/show_bug.cgi?id=951608
https://www.tenable.com/security/research/tra-2015-04

Solution :

Update the affected ntp packages.

Risk factor :

High / CVSS Base Score : 7.8
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C)

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