=========================================================================Ubuntu Security Notice USN-3603-2
March 20, 2018
paramiko vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary:
Paramiko could be made to run programs if it received specially
crafted network traffic.
Software Description:
- paramiko: Make ssh v2 connections with Python
Details:
USN-3603-1 fixed a vulnerability in Paramiko. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
Matthijs Kooijman discovered that Paramiko's SSH server implementation
did not properly require authentication before processing requests. An
unauthenticated remote attacker could possibly use this to execute
arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 ESM:
python-paramiko 1.7.7.1-2ubuntu1.1
After a standard system update you need to restart any applications
using Paramiko's server implementation to make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-3603-2
https://ubuntu.com/security/notices/USN-3603-1
CVE-2018-7750