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Fedora 25: 2017-038e821698 Moderate: Knot Resolver DNS Cache Fix

fedora
Calendar Grey March 9, 2017
Scroller Fedora
Knot Resolver 1.2.3 upgrade improves DNS caching robustness and security functionalities for Fedora 25 users. Get it now!
Knot Resolver 1.2.3 (2017-02-23) -------- - Disable storing GLUE records into the cache even in the (non- default) QUERY_PERMISSIVE mode - iterate: skip answer RRs that don't matc...

Summary

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, just start the local DNS socket:

BEWARE:

Because of https://bugzilla.redhat.com/show_bug.cgi?id=1366968

you need to switch your system to SELinux permissive mode.

Update Information:

Knot Resolver 1.2.3 (2017-02-23) ================================ Bugfixes -------- - Disable storing GLUE records into the cache even in the (non- default) QUERY_PERMISSIVE mode - iterate: skip answer RRs that don't match the query - layer/iterate: some additional processing for referrals - lib/resolve: zonecut fetching error was fixed Knot Resolver 1.2.2 (2017-02-10) ================================ Bugfixes: --------- - Fix -k argument processing to avoid out-of-bounds memory accesses - lib/resolve: fix zonecut fetching for explicit DS queries - hints: more NULL checks - Fix TA bootstrapping for multiple TAs in the IANA XML file Testing: -------- - Update tests to run tests with and without QNAME minimization Knot Resolver 1.2.1 (2017-02-01) ==================================== Security: --------- - Under certain conditions, a cached negative answer from a CD query would be reused to construct response for non-CD queries, resulting in Insecure status instead of Bogus....

Change Log

References

Fedora Update Notification FEDORA-2017-038e821698 2017-03-09 08:01:59.598458
Name : knot-resolver Product : Fedora 25 Version : 1.2.3 Release : 1.fc25 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, just start the local DNS socket:

BEWARE: Because of https://bugzilla.redhat.com/show_bug.cgi?id=1366968 you need to switch your system to SELinux permissive mode.

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade knot-resolver' at the command line. For more information, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html

Severity
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Name: knot-resolver
Product: Fedora 25
Version: 1.2.3
Release: 1.fc25
Summary: Caching full DNS Resolver

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