Ubuntu Security Notices
USN-3796-3

USN-3796-3: Paramiko vulnerability

Publication date

22 October 2018

Overview

Paramiko could allow unintended access to network services.

Releases

18.10

Packages

paramiko - Python SSH2 library

Details

USN-3796-1 fixed a vulnerability in Paramiko. This update provides the
corresponding update for Ubuntu 18.10.

Original advisory details:

Daniel Hoffman discovered that Paramiko incorrectly handled authentication
when being used as a server. A remote attacker could use this issue to
bypass authentication without any credentials.

USN-3796-1 fixed a vulnerability in Paramiko. This update provides the
corresponding update for Ubuntu 18.10.

Original advisory details:

Daniel Hoffman discovered that Paramiko incorrectly handled authentication
when being used as a server. A remote attacker could use this issue to
bypass authentication without any credentials.

Update instructions

After a standard system update you need to reboot your computer 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
18.10 cosmic	python3-paramiko – 2.4.1-0ubuntu3.1
18.10 cosmic	python-paramiko – 2.4.1-0ubuntu3.1

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References

CVE-2018-1000805

CVE-2018-1000805