openssl vulnerability

Related Vulnerabilities: CVE-2015-7575  

OpenSSL could be made to expose sensitive information over the network.

Karthikeyan Bhargavan and Gaetan Leurent discovered that OpenSSL incorrectly allowed MD5 to be used for TLS 1.2 connections. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could be exploited to view sensitive information.

7 January 2016

openssl vulnerability

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

  • Ubuntu 12.04 LTS

Summary

OpenSSL could be made to expose sensitive information over the network.

Software Description

  • openssl - Secure Socket Layer (SSL) cryptographic library and tools

Details

Karthikeyan Bhargavan and Gaetan Leurent discovered that OpenSSL incorrectly allowed MD5 to be used for TLS 1.2 connections. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could be exploited to view sensitive information.

Update instructions

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

Ubuntu 12.04 LTS
libssl1.0.0 - 1.0.1-4ubuntu5.33

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References