[Git][NTPsec/ntpsec][master] NEWS updates
Daniel Fox Franke
gitlab at mg.gitlab.com
Thu Nov 24 02:19:51 UTC 2016
Daniel Fox Franke pushed to branch master at NTPsec / ntpsec
48cf0d9b by Daniel Fox Franke at 2016-11-23T21:19:44-05:00
- - - - -
1 changed file:
@@ -8,6 +8,15 @@ on user-visible changes.
== Repository head ==
+This release includes a substantial refactoring of the core protocol
+implementation. Due to unresolvable security issues, support for
+broadcast/multicast clients has been dropped; broadcast servers are
+still supported. Likewise, symmetric mode is now only partially
+supported. The `peer` directive has become a synonym for `server`.
+Servers which receive symmetric-active mode packets will immediately
+give a symmetric-passive-mode response, but will not mobilize a new
All remaining Perl code in the distribution has been moved to Python.
The trap feature, broken in NTP Classic at the time of the NTPSec fork,
@@ -27,6 +36,35 @@ moved from C to Python. About the only visible effect this has is
that ntpq now resizes its peers display to accommodate wide
+This release includes fixes for four low and medium-severity
+CVE-2016-7434: Null pointer dereference on malformed mrulist request
+CVE-2016-7429: Interface selection DoS
+CVE-2016-9311: Trap crash
+CVE-2016-9310: Mode 6 unauthenticated trap information disclosure and DDoS vector
+Note that the "fixes" for CVE-2016-9310/9311 consist of complete
+removal of the broken trap feature. This removal occurred post-0.9.4
+but prior to the discovery of these issues.
+Further, an additional low-severity issue impacting 0.9.0 through
+0.9.3 has come to our attention:
+CVE-2016-7433: Reboot sync calculation problem
+This issue was already addressed in 0.9.4 but not treated as a
+The following NTP Classic CVEs do not impact NTPsec: CVE-2016-7427,
+CVE-2016-7428, CVE-2016-9312, CVE-2016-7431. We reject CVE-2016-7426,
+as it describes known and intended behavior which is a necessary
+logical consequence of rate-limiting.
+For more information on these security issues, see:
== 2016-08-16: 0.9.4 ==
usestats has been added to the statistics collection to record
View it on GitLab: https://gitlab.com/NTPsec/ntpsec/commit/48cf0d9bfcb50eb3b6ba5c7246f5f0b68156c8aa
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