[RHSA-2018:3600-01] Moderate: python-cryptography security update

[Security announcements for all Red Hat products and services.]

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                   Red Hat Security Advisory

Synopsis:          Moderate: python-cryptography security update
Advisory ID:       RHSA-2018:3600-01
Product:           Red Hat Enterprise Linux OpenStack Platform
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:3600
Issue date:        2018-11-13
CVE Names:         CVE-2018-10903 
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1. Summary:

An update for python-cryptography is now available for Red Hat OpenStack
Platform 13.0 (Queens).

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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 OpenStack Platform 13.0 - ppc64le, x86_64

3. Description:

The python-cryptography packages contain a Python Cryptographic Authority's
(PyCA's) cryptography library, which provides cryptographic primitives and
recipes to Python developers.

Security Fix(es):

* python-cryptography: GCM tag forgery via truncated tag in
finalize_with_tag API (CVE-2018-10903)

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/):

1602931 - CVE-2018-10903 python-cryptography: GCM tag forgery via truncated tag in finalize_with_tag API

6. Package List:

Red Hat OpenStack Platform 13.0:

Source:
python-cryptography-2.1.4-3.el7ost.src.rpm

ppc64le:
python-cryptography-debuginfo-2.1.4-3.el7ost.ppc64le.rpm
python2-cryptography-2.1.4-3.el7ost.ppc64le.rpm

x86_64:
python-cryptography-debuginfo-2.1.4-3.el7ost.x86_64.rpm
python2-cryptography-2.1.4-3.el7ost.x86_64.rpm

Red Hat OpenStack Platform 13.0:

Source:
python-cryptography-2.1.4-3.el7ost.src.rpm

ppc64le:
python-cryptography-debuginfo-2.1.4-3.el7ost.ppc64le.rpm
python2-cryptography-2.1.4-3.el7ost.ppc64le.rpm

x86_64:
python-cryptography-debuginfo-2.1.4-3.el7ost.x86_64.rpm
python2-cryptography-2.1.4-3.el7ost.x86_64.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-2018-10903
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2018 Red Hat, Inc.
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