[USN-3796-2] Paramiko vulnerability

Leonidas S. Barbosa leo.barbosa at canonical.com
Wed Oct 17 19:00:57 UTC 2018

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


Paramiko could allow unintended access to network services.

Software Description:
- paramiko: Python SSH2 library


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:

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

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