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             AUSCERT External Security Bulletin Redistribution

                              ESB-2018.3172.2
                          Paramiko vulnerability
                              23 October 2018

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           paramiko
Publisher:         Ubuntu
Operating System:  Ubuntu
                   UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Unauthorised Access -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-1000805  

Original Bulletin: 
   http://www.ubuntu.com/usn/usn-3796-1
   http://www.ubuntu.com/usn/usn-3796-2
   http://www.ubuntu.com/usn/usn-3796-3

Comment: This bulletin contains three (3) Ubuntu security advisories.
         
         This advisory references vulnerabilities in products which run on 
         platforms other than Ubuntu. It is recommended that administrators 
         running paramiko check for an updated version of the software for 
         their operating system.

Revision History:  October 23 2018: Fix for CVE-2018-1000805 for Ubuntu 18.1.0
                   October 18 2018: Initial Release

- --------------------------BEGIN INCLUDED TEXT--------------------

========================================================================== 
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

=============================================================================

========================================================================== 
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 CVE-2018-1000805

========================================================================== 
USN-3796-3: Paramiko vulnerability 22 October 2018

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

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

Ubuntu 18.10

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 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

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

Ubuntu 18.10

python-paramiko - 2.4.1-0ubuntu3.1

python3-paramiko - 2.4.1-0ubuntu3.1

To update your system, please follow these instructions: 
https://wiki.ubuntu.com/Security/Upgrades.

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

References

USN-3796-1

CVE-2018-1000805

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