--------------------------------------------------------------------------------Fedora Update Notification
FEDORA-2018-b7d774a7c1
2018-08-14 21:06:35.949595
--------------------------------------------------------------------------------Name        : knot-resolver
Product     : Fedora 28
Version     : 2.4.1
Release     : 1.fc28
URL         : https://www.knot-resolver.cz/
Summary     : Caching full DNS Resolver
Description :
The Knot DNS Resolver is a caching full resolver implementation written in C
and LuaJIT, including both a resolver library and a daemon. Modular
architecture of the library keeps the core tiny and efficient, and provides
a state-machine like API for extensions.

The package is pre-configured as local caching resolver.
To start using it, start a single kresd instance:
$ systemctl start kresd@1.service

--------------------------------------------------------------------------------Update Information:

Knot Resolver 2.4.1 (2018-08-02) ================================  Security
-------- - fix CVE-2018-10920: Improper input validation bug in DNS resolver
component   (security!7, security!9)  Bugfixes -------- - cache: fix TTL
overflow in packet due to min_ttl (#388, security!8) - TLS session resumption:
avoid bad scheduling of rotation (#385) - HTTP module: fix a regression in 2.4.0
which broke custom certs (!632) - cache: NSEC3 negative cache even without NS
record (#384)   This fixes lower hit rate in NSEC3 zones (since 2.4.0). - minor
TCP and TLS fixes (!623, !624, !626)
--------------------------------------------------------------------------------ChangeLog:

* Thu Aug  2 2018 Tomas Krizek  - 2.4.1-1
Knot Resolver 2.4.1 (2018-08-02)
===============================
Security
--------- fix CVE-2018-10920: Improper input validation bug in DNS resolver component
  (security!7, security!9)

Bugfixes
--------- cache: fix TTL overflow in packet due to min_ttl (#388, security!8)
- TLS session resumption: avoid bad scheduling of rotation (#385)
- HTTP module: fix a regression in 2.4.0 which broke custom certs (!632)
- cache: NSEC3 negative cache even without NS record (#384)
  This fixes lower hit rate in NSEC3 zones (since 2.4.0).
- minor TCP and TLS fixes (!623, !624, !626)
* Fri Jul 13 2018 Fedora Release Engineering  - 2.4.0-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild
* Tue Jul  3 2018 Tomas Krizek  - 2.4.0-1
Knot Resolver 2.4.0 (2018-07-03)
===============================
Incompatible changes
--------------------- minimal libknot version is now 2.6.7 to pull in latest fixes (#366)

Security
--------- fix a rare case of zones incorrectly dowgraded to insecure status (!576)

New features
------------- TLS session resumption (RFC 5077), both server and client (!585, #105)
  (disabled when compiling with gnutls < 3.5)
- TLS_FORWARD policy uses system CA certificate store by default (!568)
- aggressive caching for NSEC3 zones (!600)
- optional protection from DNS Rebinding attack (module rebinding, !608)
- module bogus_log to log DNSSEC bogus queries without verbose logging (!613)

Bugfixes
--------- prefill: fix ability to read certificate bundle (!578)
- avoid turning off qname minimization in some cases, e.g. co.uk. (#339)
- fix validation of explicit wildcard queries (#274)
- dns64 module: more properties from the RFC implemented (incl. bug #375)

Improvements
------------- systemd: multiple enabled kresd instances can now be started using kresd.target
- ta_sentinel: switch to version 14 of the RFC draft (!596)
- support for glibc systems with a non-Linux kernel (!588)
- support per-request variables for Lua modules (!533)
- support custom HTTP endpoints for Lua modules (!527)
* Mon Apr 23 2018 Tomas Krizek  - 2.3.0-1
Knot Resolver 2.3.0 (2018-04-23)
===============================
Security
--------- fix CVE-2018-1110: denial of service triggered by malformed DNS messages
  (!550, !558, security!2, security!4)
- increase resilience against slow lorris attack (security!5)

Bugfixes
--------- validation: fix SERVFAIL in case of CNAME to NXDOMAIN in a single zone (!538)
- validation: fix SERVFAIL for DS . query (!544)
- lib/resolve: don't send unecessary queries to parent zone (!513)
- iterate: fix validation for zones where parent and child share NS (!543)
- TLS: improve error handling and documentation (!536, !555, !559)

Improvements
------------- prefill: new module to periodically import root zone into cache
  (replacement for RFC 7706, !511)
- network_listen_fd: always create end point for supervisor supplied file descriptor
- use CPPFLAGS build environment variable if set (!547)
--------------------------------------------------------------------------------References:

  [ 1 ] Bug #1610951 - CVE-2018-10920 knot-resolver: Improper input validation bug in DNS resolver component
        https://bugzilla.redhat.com/show_bug.cgi?id=1610951
--------------------------------------------------------------------------------This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2018-b7d774a7c1' at the command
line. For more information, refer to the dnf documentation available at
http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
--------------------------------------------------------------------------------
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