USN-3603-1: Paramiko vulnerability
paramiko vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary
Paramiko could be made to run programs if it received specially
crafted network traffic.
Software Description
- paramiko – Python SSH2 library
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 17.10
- python-paramiko – 2.0.0-1ubuntu0.1
- python3-paramiko – 2.0.0-1ubuntu0.1
- Ubuntu 16.04 LTS
- python-paramiko – 1.16.0-1ubuntu0.1
- python3-paramiko – 1.16.0-1ubuntu0.1
- Ubuntu 14.04 LTS
- python-paramiko – 1.10.1-1git1ubuntu0.1
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart any applications
using Paramiko’s server implementation to make all the necessary changes.
References
Source: USN-3603-1: Paramiko vulnerability
