Alerts This Week
Warning Icon 1 758
Alerts This Week
Warning Icon 1 758

Ubuntu 20.04 LTS: USN-4399-1 Moderate: Bind9 Denial Of Service

ubuntu
Calendar Grey June 17, 2020
Dist Ubuntu Esm H88
Ubuntu 20.04 LTS receives an update aimed at resolving vulnerabilities in Bind9, ensuring improved resilience and minimizing the risk of crashes.
Bind could be made to crash if it received specially crafted network traffic.

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 large responses during zone

transfers. A remote attacker could possibly use this issue to cause Bind to

crash, resulting in a denial of service. (CVE-2020-8618)

It was discovered that Bind incorrectly handled certain asterisk characters

in zone files. A remote attacker could possibly use this issue to cause

Bind to crash, resulting in a denial of service. (CVE-2020-8619)

Topics%20covered

Topics Covered

security advisory denial of service ubuntu bind9 network issue

Update Instructions

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

Ubuntu 20.04 LTS:
  bind9                           1:9.16.1-0ubuntu2.2

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

References

https://ubuntu.com/security/notices/USN-4399-1

CVE-2020-8618, CVE-2020-8619

Severity
important
Lowest
Low
Medium
High
Critical

June 17, 2020

Topics%20covered

Topics Covered

security advisory denial of service ubuntu bind9 network issue

Package Information

https://launchpad.net/ubuntu/+source/bind9/1:9.16.1-0ubuntu2.2

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here