USN-3876-2: Avahi vulnerabilities

USN-3876-2: Avahi vulnerabilities

avahi vulnerabilities

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

• Ubuntu 12.04 ESM

Summary

Several security issues were fixed in Avahi.

Software Description

• avahi – Avahi IPv4LL network address configuration daemon

Details

USN-3876-1 fixed a vulnerability in Avahi. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

Chad Seaman discovered that Avahi incorrectly handled certain messages.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2017-6519, CVE-2018-1000845)

Update instructions

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

Ubuntu 12.04 ESM

avahi-daemon – 0.6.30-5ubuntu2.3

libavahi-core7 – 0.6.30-5ubuntu2.3

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

• USN-3876-1
• CVE-2017-6519
• CVE-2018-1000845

Source: USN-3876-2: Avahi vulnerabilities