[USN-3796-2] Paramiko vulnerability

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

paramiko vulnerability
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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:

=C2=A0Daniel Hoffman discovered that Paramiko incorrectly handled
=C2=A0authentication when being used as a server. A remote attacker could
=C2=A0use 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:
=C2=A0 python-paramiko=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A01.7.7.1-2ubuntu1.2

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

References:
=C2=A0 https://usn.ubuntu.com/usn/usn-3796-2
=C2=A0 https://usn.ubuntu.com/usn/usn-3796-1
=C2=A0 CVE-2018-1000805
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