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RedHat: RHSA-2018-3406-01 Urgent: Authentication Bypass in Python-Paramiko

red hat
Calendar Grey October 30, 2018
Dist Redhat Esm H88
The python-paramiko library's crucial enhancement resolves security vulnerabilities related to authentication bypass in Red Hat Enterprise Linux settings.
An update for python-paramiko is now available for Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 6.4 Advanced Update Support, Red Hat Enterprise Linux 6.5 Advanced Update Su...

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Summary

The python-paramiko package provides a Python module that implements the SSH2 protocol for encrypted and authenticated connections to remote machines. Unlike SSL, the SSH2 protocol does not require hierarchical certificates signed by a powerful central authority. The protocol also includes the ability to open arbitrary channels to remote services across an encrypted tunnel.
Security Fix(es):
* python-paramiko: Authentication bypass in auth_handler.py (CVE-2018-1000805)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Topics%20covered

Topics Covered

security advisory security update red hat critical security impact authentication bypass python-paramiko

References

https://access.redhat.com/security/cve/CVE-2018-1000805 https://access.redhat.com/security/updates/classification#critical

Package List

Red Hat Enterprise Linux Desktop (v. 6):
Source: python-paramiko-1.7.5-5.el6_10.src.rpm
noarch: python-paramiko-1.7.5-5.el6_10.noarch.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source: python-paramiko-1.7.5-5.el6_10.src.rpm
noarch: python-paramiko-1.7.5-5.el6_10.noarch.rpm
Red Hat Enterprise Linux HPC Node EUS (v. 6.7):
Source: python-paramiko-1.7.5-4.el6_7.1.src.rpm
noarch: python-paramiko-1.7.5-4.el6_7.1.noarch.rpm
Red Hat Enterprise Linux Server (v. 6):
Source: python-paramiko-1.7.5-5.el6_10.src.rpm
noarch: python-paramiko-1.7.5-5.el6_10.noarch.rpm
Red Hat Enterprise Linux Server AUS (v. 6.4):
Source: python-paramiko-1.7.5-4.el6_4.1.src.rpm
noarch: python-paramiko-1.7.5-4.el6_4.1.noarch.rpm
Red Hat Enterprise Linux Server AUS (v. 6.5):
Source: python-paramiko-1.7.5-4.el6_5.1.src.rpm
noarch: python-paramiko-1.7.5-4.el6_5.1.noarch.rpm
Red Hat Enterprise Linux Server AUS (v. 6.6):
Source: python-paramiko-1.7.5-4.el6_6.1.src.rpm
noarch: python-paramiko-1.7.5-4.el6_6.1.noarch.rpm
Red Hat Enterprise Linux Server TUS (v. 6.6):
Source: python-paramiko-1.7.5-4.el6_6.1.src.rpm
noarch: python-paramiko-1.7.5-4.el6_6.1.noarch.rpm
Red Hat Enterprise Linux Server EUS (v. 6.7):
Source: python-paramiko-1.7.5-4.el6_7.1.src.rpm
noarch: python-paramiko-1.7.5-4.el6_7.1.noarch.rpm


Read the Full Advisory


Severity
critical
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2018:3406-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:3406
Issue date: 2018-10-30

Topic

An update for python-paramiko is now available for Red Hat Enterprise Linux6, Red Hat Enterprise Linux 6.4 Advanced Update Support, Red Hat EnterpriseLinux 6.5 Advanced Update Support, Red Hat Enterprise Linux 6.6 AdvancedUpdate Support, Red Hat Enterprise Linux 6.6 Telco Extended Update Support,and Red Hat Enterprise Linux 6.7 Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Critical. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security update red hat critical security impact authentication bypass python-paramiko

Relevant Releases Architectures

Red Hat Enterprise Linux Desktop (v. 6) - noarch

Red Hat Enterprise Linux HPC Node (v. 6) - noarch

Red Hat Enterprise Linux HPC Node EUS (v. 6.7) - noarch

Red Hat Enterprise Linux Server (v. 6) - noarch

Red Hat Enterprise Linux Server AUS (v. 6.4) - noarch

Red Hat Enterprise Linux Server AUS (v. 6.5) - noarch

Red Hat Enterprise Linux Server AUS (v. 6.6) - noarch

Red Hat Enterprise Linux Server EUS (v. 6.7) - noarch

Red Hat Enterprise Linux Server TUS (v. 6.6) - noarch

Red Hat Enterprise Linux Workstation (v. 6) - noarch

Bugs Fixed

1637263 - CVE-2018-1000805 python-paramiko: Authentication bypass in auth_handler.py

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