Executive Summary

Summary
Title Bind vulnerability
Informations
NameUSN-4197-1First vendor Publication2019-11-21
VendorUbuntuLast vendor Modification2019-11-21
Severity (Vendor) N/ARevisionN/A

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base ScoreN/AAttack RangeN/A
Cvss Impact ScoreN/AAttack ComplexityN/A
Cvss Expoit ScoreN/AAuthenticationN/A
Calculate full CVSS 2.0 Vectors scores

Detail

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

- Ubuntu 19.10 - Ubuntu 19.04 - Ubuntu 18.04 LTS

Summary:

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

Software Description: - bind9: Internet Domain Name Server

Details:

It was discovered that Bind incorrectly handled certain TCP-pipelined queries. A remote attacker could possibly use this issue to cause Bind to consume resources, resulting in a denial of service.

Update instructions:

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

Ubuntu 19.10:
bind9 1:9.11.5.P4+dfsg-5.1ubuntu2.1

Ubuntu 19.04:
bind9 1:9.11.5.P1+dfsg-1ubuntu2.6

Ubuntu 18.04 LTS:
bind9 1:9.11.3+dfsg-1ubuntu1.11

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

References:
https://usn.ubuntu.com/4197-1
CVE-2019-6477

Package Information:
https://launchpad.net/ubuntu/+source/bind9/1:9.11.5.P4+dfsg-5.1ubuntu2.1
https://launchpad.net/ubuntu/+source/bind9/1:9.11.5.P1+dfsg-1ubuntu2.6
https://launchpad.net/ubuntu/+source/bind9/1:9.11.3+dfsg-1ubuntu1.11

Original Source

Url : http://www.ubuntu.com/usn/USN-4197-1

Alert History

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0
DateInformations
2019-11-21 17:19:03
  • First insertion