N/A - USN-2624-1

Executive Summary

Summary
Title	OpenSSL update

Informations
Name	USN-2624-1	First vendor Publication	2015-06-01
Vendor	Ubuntu	Last vendor Modification	2015-06-01
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 :
Cvss Base Score	Not Defined	Attack Range	Not Defined
Cvss Impact Score	Not Defined	Attack Complexity	Not Defined
Cvss Expoit Score	Not Defined	Authentication	Not Defined
Calculate full CVSS 2.0 Vectors scores

Detail

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

- Ubuntu 15.04 - Ubuntu 14.10 - Ubuntu 14.04 LTS - Ubuntu 12.04 LTS

Summary:

The export cipher suites have been disabled in OpenSSL.

Software Description: - openssl: Secure Socket Layer (SSL) cryptographic library and tools

Details:

As a security improvement, this update removes the export cipher suites from the default cipher list to prevent their use in possible downgrade attacks.

Update instructions:

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

Ubuntu 15.04:
libssl1.0.0 1.0.1f-1ubuntu11.1

Ubuntu 14.10:
libssl1.0.0 1.0.1f-1ubuntu9.5

Ubuntu 14.04 LTS:
libssl1.0.0 1.0.1f-1ubuntu2.12

Ubuntu 12.04 LTS:
libssl1.0.0 1.0.1-4ubuntu5.28

After a standard system update you need to reboot your computer to make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-2624-1
https://launchpad.net/bugs/1460735

Package Information:
https://launchpad.net/ubuntu/+source/openssl/1.0.1f-1ubuntu11.1
https://launchpad.net/ubuntu/+source/openssl/1.0.1f-1ubuntu9.5
https://launchpad.net/ubuntu/+source/openssl/1.0.1f-1ubuntu2.12
https://launchpad.net/ubuntu/+source/openssl/1.0.1-4ubuntu5.28