Executive Summary

Summary
Title Avahi vulnerabilities
Informations
Name USN-3876-1 First vendor Publication 2019-01-31
Vendor Ubuntu Last vendor Modification 2019-01-31
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:N/A:P)
Cvss Base Score 6.4 Attack Range Network
Cvss Impact Score 4.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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

- Ubuntu 18.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in Avahi.

Software Description: - avahi: Avahi IPv4LL network address configuration daemon

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 18.10: ﾃつ avahi-daemonﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ 0.7-4ubuntu2.1 ﾃつ libavahi-core7ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ 0.7-4ubuntu2.1

Ubuntu 18.04 LTS: ﾃつ avahi-daemonﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ 0.7-3.1ubuntu1.2 ﾃつ libavahi-core7ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ 0.7-3.1ubuntu1.2

Ubuntu 16.04 LTS: ﾃつ avahi-daemonﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ 0.6.32~rc+dfsg-1ubuntu2.3 ﾃつ libavahi-core7ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ 0.6.32~rc+dfsg-1ubuntu2.3

Ubuntu 14.04 LTS: ﾃつ avahi-daemonﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ 0.6.31-4ubuntu1.3 ﾃつ libavahi-core7ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ 0.6.31-4ubuntu1.3

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

References: ﾃつ https://usn.ubuntu.com/usn/usn-3876-1 ﾃつ CVE-2017-6519, CVE-2018-1000845

Package Information: ﾃつ https://launchpad.net/ubuntu/+source/avahi/0.7-4ubuntu2.1 ﾃつ https://launchpad.net/ubuntu/+source/avahi/0.7-3.1ubuntu1.2 ﾃつ https://launchpad.net/ubuntu/+source/avahi/0.6.32~rc+dfsg-1ubuntu2.3 ﾃつ https://launchpad.net/ubuntu/+source/avahi/0.6.31-4ubuntu1.3

Original Source

Url : http://www.ubuntu.com/usn/USN-3876-1

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-346 Origin Validation Error

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 36
Os 5

Alert History

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0
1
Date Informations
2019-01-31 17:21:27
  • Multiple Updates
2019-01-31 17:18:48
  • First insertion