Ubuntu Security Notice 3876-2 - USN-3876-1 fixed a vulnerability in Avahi. This update provides the corresponding update for Ubuntu 12.04 ESM. Chad Seaman discovered that Avahi incorrectly handled certain messages. An attacker could possibly use this issue to cause a denial of service. Various other issues were also addressed.
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Ubuntu Security Notice USN-3876-2
January 31, 2019
avahi vulnerabilities
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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://usn.ubuntu.com/usn/usn-3876-2
https://usn.ubuntu.com/usn/usn-3876-1
CVE-2017-6519, CVE-2018-1000845