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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.

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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: python3-paramiko, paramiko-doc, paramiko, python-paramiko

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Further reading