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Red Hat Security Advisory

Synopsis: Low: python-paramiko security, bug fix, and enhancement update
Advisory ID: RHSA-2018:1274-01
Product: Red Hat Virtualization
Advisory URL: https://access.redhat.com/errata/RHSA-2018:1274
Issue date: 2018-05-02
CVE Names: CVE-2018-7750
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1. Summary:

An update for python-paramiko is now available for Red Hat Virtualization 4
Management Agent for RHEL 7 and Red Hat Virtualization Manager 4.1.

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 Virtualization 4 Management Agent for RHEL 7 Hosts – noarch
Red Hat Virtualization Manager 4.1 – 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.

The following packages have been upgraded to a later upstream version:
python-paramiko (2.1.1). (BZ#1562393)

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
1562393 – Tag python-paramiko for RHV 4.1

6. Package List:

Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts:

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

noarch:
python-paramiko-2.1.1-4.el7.noarch.rpm
python-paramiko-doc-2.1.1-4.el7.noarch.rpm

Red Hat Virtualization Manager 4.1:

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

noarch:
python-paramiko-2.1.1-4.el7.noarch.rpm
python-paramiko-doc-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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