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Red Hat Security Advisory

Synopsis:          Moderate: Red Hat OpenStack Platform 16.1.6 (python-httplib2) security update
Advisory ID:       RHSA-2021:2116-01
Product:           Red Hat OpenStack Platform
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:2116
Issue date:        2021-05-26
CVE Names:         CVE-2020-11078 CVE-2021-21240
====================================================================
1. Summary:

An update for python-httplib2 is now available for Red Hat OpenStack
Platform 16.1 (Train).

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 16.1 - noarch

3. Description:

A comprehensive HTTP client library that supports many features left out of
other HTTP libraries.

Security Fix(es):

* CRLF injection via an attacker controlled unescaped part of uri for
httplib2.Http.request function (CVE-2020-11078)

* Regular expression denial of service via malicious header
(CVE-2021-21240)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page 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/):

1845937 - CVE-2020-11078 python-httplib2: CRLF injection via an attacker controlled unescaped part of uri for httplib2.Http.request function
1926885 - CVE-2021-21240 python-httplib2: Regular expression denial of service via malicious header

6. Package List:

Red Hat OpenStack Platform 16.1:

Source:
python-httplib2-0.13.1-2.el8ost.src.rpm

noarch:
python3-httplib2-0.13.1-2.el8ost.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-2020-11078
https://access.redhat.com/security/cve/CVE-2021-21240
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 2021 Red Hat, Inc.
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