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Fedora 32: FEDORA-2020-bf68101ad3 Critical Vulnerability in Knot Resolver

fedora
Calendar Grey May 28, 2020
Dist Fedora Esm H88
Fedora 32 enhances knot resolver to mitigate traffic amplification risk. Discover tips for fortifying your setup now.
- fixes CVE-2020-12667

Summary

The Knot Resolver is a DNSSEC-enabled 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

- fixes CVE-2020-12667

* Tue May 19 2020 Tomas Krizek - 5.1.1-1

- update to upstream version 5.1.1 (fixes CVE-2020-12667)

[ 1 ] Bug #1839822 - CVE-2020-12667 knot-resolver: Traffic amplification triggered by random subdomains in the NSDNAME in NS records [fedora-all]

https://bugzilla.redhat.com/show_bug.cgi?id=1839822

su -c 'dnf upgrade --advisory FEDORA-2020-bf68101ad3' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

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/security/

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Change Log

References

Update Instructions

Severity
critical
Lowest
Low
Medium
High
Critical

Product: Fedora 32
Version: 5.1.1
Release: 1.fc32
Summary: Caching full DNS Resolver

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