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

USN-3603-2: Paramiko vulnerability

Publication date

20 March 2018

Overview

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

Releases

Packages

  • 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.

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

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
12.04 precise python-paramiko –  1.7.7.1-2ubuntu1.1

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References

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