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Ubuntu 12.04: USN-3876-2 Critical: Avahi Denial Of Service

ubuntu
Calendar Grey January 31, 2019
Dist Ubuntu Esm H88
=========================================================================Ubuntu Security Notice USN-
Several security issues were fixed in Avahi.

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)

Topics%20covered

Topics Covered

security advisory denial of service security issue software update update instructions ubuntu avahi

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

Severity
critical
Lowest
Low
Medium
High
Critical

January 31, 2019

Topics%20covered

Topics Covered

security advisory denial of service security issue software update update instructions ubuntu avahi

Package Information

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