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USN-3603-2: Paramiko vulnerability

20 March 2018

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

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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.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 12.04

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

References

Related notices

  • USN-3603-1: paramiko, python3-paramiko, paramiko-doc, python-paramiko

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Further reading