ELSA-2015-2231

ELSA-2015-2231 - ntp security, bug fix, and enhancement update

Type:	SECURITY
Impact:	MODERATE
Release Date:	2015-11-23

Description

[4.2.6p5-22]
- check origin timestamp before accepting KoD RATE packet (CVE-2015-7704)
- allow only one step larger than panic threshold with -g (CVE-2015-5300)

[4.2.6p5-20]
- validate lengths of values in extension fields (CVE-2014-9297)
- drop packets with spoofed source address ::1 (CVE-2014-9298)
- reject packets without MAC when authentication is enabled (CVE-2015-1798)
- protect symmetric associations with symmetric key against DoS attack (CVE-2015-1799)
- fix generation of MD5 keys with ntp-keygen on big-endian systems (CVE-2015-3405)
- add option to set Differentiated Services Code Point (DSCP) (#1202828)
- add nanosecond support to SHM refclock (#1117702)
- allow creating all SHM segments with owner-only access (#1122012)
- allow different thresholds for forward and backward step (#1193154)
- allow symmetric keys up to 32 bytes again (#1191111)
- don't step clock for leap second with -x option (#1191122)
- don't drop packets with source port below 123 (#1171640)
- retry joining multicast groups (#1207014)
- increase memlock limit again (#1053569)
- warn when monitor can't be disabled due to limited restrict (#1191108)
- use larger RSA exponent in ntp-keygen (#1191116)
- fix crash in ntpq mreadvar command (#1180721)
- move sntp kod database to allow SELinux labeling (#1082934)
- fix typos in ntpd man page (#1195211)
- improve documentation of restrict command (#1213953)

Related CVEs

CVE-2014-9297

CVE-2015-1798

CVE-2014-9750

CVE-2014-9751

CVE-2015-1799

CVE-2015-3405

CVE-2014-9298

Updated Packages

Release/Architecture	Filename	sha256	Superseded By Advisory	Channel Label
Oracle Linux 7 (x86_64)	ntp-4.2.6p5-22.el7.src.rpm	6caea5ac21ccb9af18a7c9239d8e196a4dca846c955eef2c2fb8a50ee4087a7f	ELBA-2022-9435	ol7_x86_64_latest_archive
	ntp-4.2.6p5-22.el7.src.rpm	6caea5ac21ccb9af18a7c9239d8e196a4dca846c955eef2c2fb8a50ee4087a7f	ELBA-2022-9435	ol7_x86_64_optional_archive
	ntp-4.2.6p5-22.el7.src.rpm	6caea5ac21ccb9af18a7c9239d8e196a4dca846c955eef2c2fb8a50ee4087a7f	ELBA-2022-9435	ol7_x86_64_u2_base
	ntp-4.2.6p5-22.el7.x86_64.rpm	ea66c341fcaff80daddb5da2552bf7fc96c4bf50aae5ad6de8bcd2299cc6aa16	ELBA-2022-9435	ol7_x86_64_latest_archive
	ntp-4.2.6p5-22.el7.x86_64.rpm	ea66c341fcaff80daddb5da2552bf7fc96c4bf50aae5ad6de8bcd2299cc6aa16	ELBA-2022-9435	ol7_x86_64_u2_base
	ntp-doc-4.2.6p5-22.el7.noarch.rpm	c8cb8ca9c9c3e144f6203fcf1bf24761821f51a9bbc681a1beac4462227ed154	ELBA-2022-9435	ol7_x86_64_optional_archive
	ntp-perl-4.2.6p5-22.el7.noarch.rpm	e08d5400dbae8c283d156656e48fe7292ceec559af3d51da925d0064e4b9cbcf	ELBA-2022-9435	ol7_x86_64_optional_archive
	ntpdate-4.2.6p5-22.el7.x86_64.rpm	e622b7c6cfe0c0f166d891d2facb42340ebef9412941468af36da6aa70a67b57	ELBA-2022-9435	ol7_x86_64_latest_archive
	ntpdate-4.2.6p5-22.el7.x86_64.rpm	e622b7c6cfe0c0f166d891d2facb42340ebef9412941468af36da6aa70a67b57	ELBA-2022-9435	ol7_x86_64_u2_base
	sntp-4.2.6p5-22.el7.x86_64.rpm	9240faa1a1c790130196e7c086dcc1b3e96d0ff603ab5cebcdb5515d0b405f2e	ELBA-2022-9435	ol7_x86_64_optional_archive

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