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Red Hat 6.X: RHSA-2018-1125-01 Urgent: Python-Paramiko Authentication Flaw

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Calendar Grey April 12, 2018
Scroller Redhat
Urgent python-paramiko security patch released for Red Hat platforms tackling authentication breach flaw.
An update for python-paramiko is now available for Red Hat Enterprise Linux 6.4 Advanced Update Support, Red Hat Enterprise Linux 6.5 Advanced Update Support, Red Hat Enterprise Li...

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 transport.py (CVE-2018-7750)
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.

References

https://access.redhat.com/security/cve/CVE-2018-7750 https://access.redhat.com/security/updates/classification#critical

Package List

Red Hat Enterprise Linux HPC Node EUS (v. 6.7):
Source: python-paramiko-1.7.5-4.el6_7.src.rpm
noarch: python-paramiko-1.7.5-4.el6_7.noarch.rpm
Red Hat Enterprise Linux Server AUS (v. 6.4):
Source: python-paramiko-1.7.5-4.el6_4.src.rpm
noarch: python-paramiko-1.7.5-4.el6_4.noarch.rpm
Red Hat Enterprise Linux Server AUS (v. 6.5):
Source: python-paramiko-1.7.5-4.el6_5.src.rpm
noarch: python-paramiko-1.7.5-4.el6_5.noarch.rpm
Red Hat Enterprise Linux Server AUS (v. 6.6):
Source: python-paramiko-1.7.5-4.el6_6.src.rpm
noarch: python-paramiko-1.7.5-4.el6_6.noarch.rpm
Red Hat Enterprise Linux Server TUS (v. 6.6):
Source: python-paramiko-1.7.5-4.el6_6.src.rpm
noarch: python-paramiko-1.7.5-4.el6_6.noarch.rpm
Red Hat Enterprise Linux Server EUS (v. 6.7):
Source: python-paramiko-1.7.5-4.el6_7.src.rpm
noarch: python-paramiko-1.7.5-4.el6_7.noarch.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key


Severity
critical
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2018:1125-01
Product: Red Hat Enterprise Linux
Issue date: 2018-04-12

Topic

An update for python-paramiko is now available for Red Hat Enterprise Linux6.4 Advanced Update Support, Red Hat Enterprise Linux 6.5 Advanced UpdateSupport, Red Hat Enterprise Linux 6.6 Advanced Update Support, Red HatEnterprise Linux 6.6 Telco Extended Update Support, and Red Hat EnterpriseLinux 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.

Relevant Releases Architectures

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

Bugs Fixed

1557130 - CVE-2018-7750 python-paramiko: Authentication bypass in transport.py

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