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Sicherheit: Denial of Service in Bind
Aktuelle Meldungen Distributionen
Name: Denial of Service in Bind
ID: USN-3769-1
Distribution: Ubuntu
Plattformen: Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS
Datum: Do, 20. September 2018, 15:55
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5740
Applikationen: BIND

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From: Marc Deslauriers <marc.deslauriers@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID: <807f5dfd-3a94-50b3-5e9e-954219368ec0@canonical.com>
Subject: [USN-3769-1] Bind vulnerability

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==========================================================================
Ubuntu Security Notice USN-3769-1
September 20, 2018

bind9 vulnerability
==========================================================================

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

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

Summary:

Bind could be made to crash if it received specially crafted network
traffic.

Software Description:
- bind9: Internet Domain Name Server

Details:

It was discovered that Bind incorrectly handled the deny-answer-aliases
feature. If this feature is enabled, a remote attacker could use this issue
to cause Bind to crash, resulting in a denial of service.

Update instructions:

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

Ubuntu 18.04 LTS:
bind9 1:9.11.3+dfsg-1ubuntu1.2

Ubuntu 16.04 LTS:
bind9 1:9.10.3.dfsg.P4-8ubuntu1.11

Ubuntu 14.04 LTS:
bind9 1:9.9.5.dfsg-3ubuntu0.18

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

References:
https://usn.ubuntu.com/usn/usn-3769-1
CVE-2018-5740

Package Information:
https://launchpad.net/ubuntu/+source/bind9/1:9.11.3+dfsg-1ubuntu1.2
https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-8ubuntu1.11
https://launchpad.net/ubuntu/+source/bind9/1:9.9.5.dfsg-3ubuntu0.18


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