1. Ubuntu Security Notices
  2. USN-3603-1

USN-3603-1: Paramiko vulnerability

Publication date

20 March 2018

Overview

Paramiko could be made to run programs if it received specially crafted network traffic.

Releases

Packages

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.

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

After a standard system update you need to restart any applications using Paramiko’s server implementation to make all the necessary changes.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
17.10 artful python-paramiko –  2.0.0-1ubuntu0.1
python3-paramiko –  2.0.0-1ubuntu0.1
16.04 xenial python-paramiko –  1.16.0-1ubuntu0.1
python3-paramiko –  1.16.0-1ubuntu0.1
14.04 trusty python-paramiko –  1.10.1-1git1ubuntu0.1

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References

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