==========================================================================
Ubuntu Security Notice USN-3796-1
October 17, 2018

paramiko vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS
– Ubuntu 14.04 LTS

Summary:

Paramiko could allow unintended access to network services.

Software Description:
– paramiko: Python SSH2 library

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:

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

Ubuntu 18.04 LTS:
python-paramiko 2.0.0-1ubuntu1.1
python3-paramiko 2.0.0-1ubuntu1.1

Ubuntu 16.04 LTS:
python-paramiko 1.16.0-1ubuntu0.2
python3-paramiko 1.16.0-1ubuntu0.2

Ubuntu 14.04 LTS:
python-paramiko 1.10.1-1git1ubuntu0.2

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
https://usn.ubuntu.com/usn/usn-3796-1
CVE-2018-1000805

Package Information:
https://launchpad.net/ubuntu/+source/paramiko/2.0.0-1ubuntu1.1
https://launchpad.net/ubuntu/+source/paramiko/1.16.0-1ubuntu0.2
https://launchpad.net/ubuntu/+source/paramiko/1.10.1-1git1ubuntu0.2

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==========================================================================
Ubuntu Security Notice USN-3796-2
October 17, 2018

paramiko vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

– Ubuntu 12.04 ESM

Summary:

Paramiko could allow unintended access to network services.

Software Description:
– paramiko: Python SSH2 library

Details:

USN-3796-1 fixed a vulnerability in paramiko. This update provides
the corresponding update for Ubuntu 12.04 ESM.

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:

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

Ubuntu 12.04 ESM:
  python-paramiko                 1.7.7.1-2ubuntu1.2

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
  https://usn.ubuntu.com/usn/usn-3796-2
  https://usn.ubuntu.com/usn/usn-3796-1
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