Executive Summary

Summary
Title libevent vulnerabilities
Informations
Name USN-3228-1 First vendor Publication 2017-03-13
Vendor Ubuntu Last vendor Modification 2017-03-13
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
 
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Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

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

- Ubuntu 16.10 - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS - Ubuntu 12.04 LTS

Summary:

Several security issues were fixed in libevent.

Software Description: - libevent: Asynchronous event notification library

Details:

Guido Vranken discovered that libevent incorrectly handled memory when processing certain data. A remote attacker could possibly use this issue with an application that uses libevent to cause a denial of service, or possibly execute arbitrary code.

Update instructions:

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

Ubuntu 16.10:
libevent-2.0-5 2.0.21-stable-2ubuntu0.16.10.1

Ubuntu 16.04 LTS:
libevent-2.0-5 2.0.21-stable-2ubuntu0.16.04.1

Ubuntu 14.04 LTS:
libevent-2.0-5 2.0.21-stable-1ubuntu1.14.04.2

Ubuntu 12.04 LTS:
libevent-2.0-5 2.0.16-stable-1ubuntu0.2

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

References:
http://www.ubuntu.com/usn/usn-3228-1
CVE-2016-10195, CVE-2016-10196, CVE-2016-10197

Package Information:
https://launchpad.net/ubuntu/+source/libevent/2.0.21-stable-2ubuntu0.16.10.1
https://launchpad.net/ubuntu/+source/libevent/2.0.21-stable-2ubuntu0.16.04.1
https://launchpad.net/ubuntu/+source/libevent/2.0.21-stable-1ubuntu1.14.04.2
https://launchpad.net/ubuntu/+source/libevent/2.0.16-stable-1ubuntu0.2

Original Source

Url : http://www.ubuntu.com/usn/USN-3228-1

Alert History

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0
1
Date Informations
2017-03-15 13:22:41
  • Multiple Updates
2017-03-13 21:27:08
  • First insertion