=========================================================================Ubuntu Security Notice USN-3876-2
January 31, 2019
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
In general, a standard system update will make all the necessary
changes.
References:
https://ubuntu.com/security/notices/USN-3876-2
https://ubuntu.com/security/notices/USN-3876-1
CVE-2017-6519, CVE-2018-1000845
