USN-4399-1: Bind vulnerabilities

bind9 vulnerabilities

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

Ubuntu 20.04 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 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)

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

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

Source: USN-4399-1: Bind vulnerabilities

지락문화예술공작단