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Sicherheit: Mehrere Probleme in Dnsmasq
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Dnsmasq
ID: FEDORA-2017-24f067299e
Distribution: Fedora
Plattformen: Fedora 26
Datum: Sa, 7. Oktober 2017, 00:23
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14494
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14491
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14495
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14496
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14493
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14492

Originalnachricht

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Fedora Update Notification
FEDORA-2017-24f067299e
2017-10-06 13:44:21.530944
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Name : dnsmasq
Product : Fedora 26
Version : 2.76
Release : 5.fc26
URL : http://www.thekelleys.org.uk/dnsmasq/
Summary : A lightweight DHCP/caching DNS server
Description :
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.

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Update Information:

CVE-2017-14491 CVE-2017-14492 CVE-2017-14493 CVE-2017-14494 CVE-2017-14495
CVE-2017-14496
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References:

[ 1 ] Bug #1495409 - CVE-2017-14491 dnsmasq: heap overflow in the code
responsible for building DNS replies
https://bugzilla.redhat.com/show_bug.cgi?id=1495409
[ 2 ] Bug #1495410 - CVE-2017-14492 dnsmasq: heap overflow in the IPv6 router
advertisement code
https://bugzilla.redhat.com/show_bug.cgi?id=1495410
[ 3 ] Bug #1495411 - CVE-2017-14493 dnsmasq: stack buffer overflow in the
DHCPv6 code
https://bugzilla.redhat.com/show_bug.cgi?id=1495411
[ 4 ] Bug #1495412 - CVE-2017-14494 dnsmasq: information leak in the DHCPv6
relay code
https://bugzilla.redhat.com/show_bug.cgi?id=1495412
[ 5 ] Bug #1495415 - CVE-2017-14495 dnsmasq: memory exhaustion vulnerability
in the EDNS0 code
https://bugzilla.redhat.com/show_bug.cgi?id=1495415
[ 6 ] Bug #1495416 - CVE-2017-14496 dnsmasq: integer underflow leading to
buffer over-read in the EDNS0 code
https://bugzilla.redhat.com/show_bug.cgi?id=1495416
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade dnsmasq' 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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