OpenSSL could be made to expose sensitive information over the network.
Antonio Sanso discovered that OpenSSL reused the same private DH exponent for the life of a server process when configured with a X9.42 style parameter file. This could allow a remote attacker to possibly discover the server’s private DH exponent when being used with non-safe primes.
28 January 2016
A security issue affects these releases of Ubuntu and its derivatives:
OpenSSL could be made to expose sensitive information over the network.
Antonio Sanso discovered that OpenSSL reused the same private DH exponent for the life of a server process when configured with a X9.42 style parameter file. This could allow a remote attacker to possibly discover the server’s private DH exponent when being used with non-safe primes.
The problem can be corrected by updating your system to the following package versions:
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.
Vulmon