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Ubuntu 18.10: USN-3796-3 Critical Paramiko Authentication Bypass

ubuntu
Calendar Grey October 22, 2018
Dist Ubuntu Esm H88
Remote management vulnerability via paramiko on Ubuntu 18.10 highlighted in USN-3796-4. Upgrade immediately to protect your system's operations.
Paramiko could allow unintended access to network services.

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.

Topics%20covered

Topics Covered

security advisory critical ubuntu authentication bypass network access paramiko

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

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

References

https://ubuntu.com/security/notices/USN-3796-3

CVE-2018-1000805

Severity
critical
Lowest
Low
Medium
High
Critical

October 22, 2018

Topics%20covered

Topics Covered

security advisory critical ubuntu authentication bypass network access paramiko

Package Information

https://launchpad.net/ubuntu/+source/paramiko/2.4.1-0ubuntu3.1

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