ESB-2018.1042 - [RedHat] python-paramiko: Execute arbitrary code/commands - Remote/unauthenticated 2018-04-06

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.1042
                   Low: python-paramiko security update
                               6 April 2018

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           python-paramiko
Publisher:         Red Hat
Operating System:  Red Hat Enterprise Linux Server 7
                   Red Hat Enterprise Linux WS/Desktop 7
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-7750  

Reference:         ESB-2018.1032
                   ESB-2018.0961
                   ESB-2018.0862
                   ESB-2018.0801

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2018:0646

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                   Red Hat Security Advisory

Synopsis:          Low: python-paramiko security update
Advisory ID:       RHSA-2018:0646-01
Product:           Red Hat Ansible Engine
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:0646
Issue date:        2018-04-05
CVE Names:         CVE-2018-7750 
=====================================================================

1. Summary:

An update for python-paramiko is now available for Red Hat Ansible Engine 2
for RHEL 7.

Red Hat Product Security has rated this update as having a security impact
of Low. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Ansible Engine 2 for RHEL 7 - noarch

3. Description:

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.

4. 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

5. Bugs fixed (https://bugzilla.redhat.com/):

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

6. Package List:

Red Hat Ansible Engine 2 for RHEL 7:

Source:
python-paramiko-2.1.1-4.el7.src.rpm

noarch:
python-paramiko-2.1.1-4.el7.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/

7. References:

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

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2018 Red Hat, Inc.
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