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Ubuntu Security Notice USN-3574-1

Ubuntu Security Notice USN-3574-1
Posted Feb 19, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3574-1 - It was discovered that Bind incorrectly handled DNSSEC validation. An attacker could possibly use this to cause a denial of service.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2018-5735
MD5 | 5ac93a694ca6f1a6801fa0dd81499717

Ubuntu Security Notice USN-3574-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3574-1
February 19, 2018

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

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

- Ubuntu 12.04 ESM

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 DNSSEC validation. An
attacker could possibly use this to cause a denial of service.

Update instructions:

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

Ubuntu 12.04 ESM:
bind9 1:9.8.1.dfsg.P1-4ubuntu0.25

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

References:
https://www.ubuntu.com/usn/usn-3574-1
CVE-2018-5735

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