Hello everyone. CZ.NIC Labs just released two security patch version of Knot DNS.
Knot DNS 2.0.2 - We have recently extended our fuzzy-testing tool set by a new LibFuzzer tool, which lead to a discovery of a bug in the packet parser. A specially crafted packet with malformed NAPTR record can trigger an out-of-bound read, possibly leading to the knotd daemon crash. The new version fixes this bug. Knot DNS 1.6.6 - The 1.6 packet processing code contained the same issue in NAPTR parsing which was present in the 2.0. However, existing code paths to its occurrence were different. We are not aware of any possibility to remotely crash the server daemon at the moment. - The updated version also fixes systemd server startup notifications. - We have included the rosedb module, which has already been distributed as a separate tarball for a few releases. Users of rosedb should switch to the main releases. If you are a Knot DNS 2.0 user, we highly recommend to updated to version 2.0.2 because it is possible to cause a denial of service remotely. If you are a Knot DNS 1.6 user, we suggest to update to the latest release even though the fixed problems are not as critical as in the 2.0 branch. The sources are available as usual. Full changelogs: https://gitlab.labs.nic.cz/labs/knot/raw/v1.6.6/NEWS https://gitlab.labs.nic.cz/labs/knot/raw/v2.0.2/NEWS Tarballs: https://secure.nic.cz/files/knot-dns/knot-1.6.6.tar.xz https://secure.nic.cz/files/knot-dns/knot-2.0.2.tar.xz GPG signatures: https://secure.nic.cz/files/knot-dns/knot-1.6.6.tar.xz.asc https://secure.nic.cz/files/knot-dns/knot-2.0.2.tar.xz.asc Best regards! And thank you for using Knot DNS. Jan -- Jan Včelák, Knot DNS CZ.NIC Labs https://www.knot-dns.cz -------------------------------------------- Milešovská 5, 130 00 Praha 3, Czech Republic WWW: https://labs.nic.cz https://www.nic.cz
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