USN-5351-2: Paramiko vulnerability

USN-5351-2: Paramiko vulnerability

USN-5351-1 fixed a vulnerability in Paramiko. This update provides
the corresponding update for Ubuntu 16.04 ESM.

Original advisory details:

Jan Schejbal discovered that Paramiko incorrectly handled permissions when
writing private key files. A local attacker could possibly use this issue
to gain access to private keys.
Source: USN-5351-2: Paramiko vulnerability