Fedora 26: Security Advisory for Dnsmasq Moderate: DNSSEC Wildcard Issue

Dnsmasq is lightweight, easy to configure DNS forwarder and DHCP server.

It is designed to provide DNS and, optionally, DHCP, to a small network.

It can serve the names of local machines which are not in the global

DNS. The DHCP server integrates with the DNS server and allows machines

with DHCP-allocated addresses to appear in the DNS with names configured

either in each host or in a central configuration file. Dnsmasq supports

static and dynamic DHCP leases and BOOTP for network booting of diskless

machines.

DNSSEC fix for wildcard NSEC records (CVE-2017-15107)

[ 1 ] Bug #1510570 - CVE-2017-15107 dnsmasq: Improper validation of wildcard synthesized NSEC records

https://bugzilla.redhat.com/show_bug.cgi?id=1510570

su -c 'dnf upgrade dnsmasq' 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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