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Sicherheit: Zwei Probleme in Avahi
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in Avahi
ID: USN-3876-1
Distribution: Ubuntu
Plattformen: Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 18.10
Datum: Do, 31. Januar 2019, 15:27
Referenzen: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000845
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6519
Applikationen: Avahi

Originalnachricht


--===============0223761727717424069==
Content-Type: multipart/signed; micalg="pgp-sha256";
protocol="application/pgp-signature";
boundary="=-G+MRP7GrjMCMV+ie4wA4"


--=-G+MRP7GrjMCMV+ie4wA4
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: base64

==========================================================================
Ubuntu Security Notice USN-3876-1
January 31, 2019

avahi vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in Avahi.

Software Description:
- avahi: Avahi IPv4LL network address configuration daemon

Details:

Chad Seaman discovered that Avahi incorrectly handled certain messages.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2017-6519, CVE-2018-1000845)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.10:
  avahi-daemon                    0.7-4ubuntu2.1
  libavahi-core7                  0.7-4ubuntu2.1

Ubuntu 18.04 LTS:
  avahi-daemon                    0.7-3.1ubuntu1.2
  libavahi-core7                  0.7-3.1ubuntu1.2

Ubuntu 16.04 LTS:
  avahi-daemon                    0.6.32~rc+dfsg-1ubuntu2.3
  libavahi-core7                  0.6.32~rc+dfsg-1ubuntu2.3

Ubuntu 14.04 LTS:
  avahi-daemon                    0.6.31-4ubuntu1.3
  libavahi-core7                  0.6.31-4ubuntu1.3

In general, a standard system update will make all the necessary
changes.

References:
  https://usn.ubuntu.com/usn/usn-3876-1
  CVE-2017-6519, CVE-2018-1000845

Package Information:
  https://launchpad.net/ubuntu/+source/avahi/0.7-4ubuntu2.1
  https://launchpad.net/ubuntu/+source/avahi/0.7-3.1ubuntu1.2
  https://launchpad.net/ubuntu/+source/avahi/0.6.32~rc+dfsg-1ubuntu2.3
  https://launchpad.net/ubuntu/+source/avahi/0.6.31-4ubuntu1.3
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