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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@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2018 Red Hat, Inc.
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