4859. [bug] A loop was possible when attempting to validate
unsigned CNAME responses from secure zones;
this caused a delay in returning SERVFAIL and
also increased the chances of encountering
CVE-2017-3145. [RT #46839]
4858. [security] Addresses could be referenced after being freed
in resolver.c, causing an assertion failure.
(CVE-2017-3145) [RT #46839]
This reverts commit 560d8b833edceb4b715fe46b45f2009dc09fdb5d.
This change created a potential race between key refresh queries and
root zone priming queries which could leave the root name servers in
the bad-server cache.
4773. [bug] Keys specified in "managed-keys" statements
can now only be used when validating key refresh
queries during initialization of RFC 5011 key
maintenance. If initialization fails, DNSSEC
validation of normal queries will also fail.
Previously, validation of normal queries could
succeed using the initializing key, potentially
masking problems with managed-keys. [RT #46077]
3882. [func] By default, negative trust anchors will be tested
periodically to see whether data below them can be
validated, and if so, they will be allowed to
expire early. The "rndc nta -force" option
overrides this behvaior. The default NTA lifetime
and the recheck frequency can be configured by the
"nta-lifetime" and "nta-recheck" options. [RT #36146]
3867. [func] "rndc nta" can now be used to set a temporary
negative trust anchor, which disables DNSSEC
validation below a specified name for a specified
period of time (not exceeding 24 hours). This
can be used when validation for a domain is known
to be failing due to a configuration error on
the part of the domain owner rather than a
spoofing attack. [RT #29358]
3741. [func] "delve" (domain entity lookup and validation engine):
A new tool with dig-like semantics for performing DNS
lookups, with internal DNSSEC validation, using the
same resolver and validator logic as named. This
allows easy validation of DNSSEC data in environments
with untrustworthy resolvers, and assists with
troubleshooting of DNSSEC problems. (Note: not yet
available on win32.) [RT #32406]
Squashed commit of the following:
commit 452b07ec7cb31784d90d9c2e45ca708df306302e
Author: Mark Andrews <marka@isc.org>
Date: Wed Nov 14 23:36:36 2012 +1100
destroy fetch when canceling validator
was canceled. [RT #31804]
Squashed commit of the following:
commit d414d3cb4244daeca4159ac1f8a82322e4a20e5a
Author: Mark Andrews <marka@isc.org>
Date: Wed Nov 7 14:19:28 2012 +1100
check that val->fetch != NULL before calling dns_resolver_destroyfetch
negative-cache records rather than using rrtype 0;
this will prevent problems when that rrtype is
used in actual DNS packets. [RT #24777]
3123. [security] Change #2912 exposed a latent flaw in
dns_rdataset_totext() that could cause named to
crash with an assertion failure. [RT #24777]
