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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Moderate: python-django security update
Advisory ID:       RHSA-2020:1324-01
Product:           Red Hat OpenStack Platform
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:1324
Issue date:        2020-04-06
CVE Names:         CVE-2019-12781 CVE-2019-14232 CVE-2019-14233 
                   CVE-2019-14234 CVE-2019-14235 
=====================================================================

1. Summary:

An update for python-django is now available for Red Hat OpenStack Platform
15 (Stein).

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 15.0 - noarch

3. Description:

Django is a high-level Python Web framework that encourages rapid
development and a clean, pragmatic design. It focuses on automating as much
as possible and adhering to the DRY (Don't Repeat Yourself) principle.

Security Fix(es):

* Incorrect HTTP detection with reverse-proxy connecting via HTTPS
(CVE-2019-12781)

* backtracking in a regular expression in django.utils.text.Truncator leads
to DoS (CVE-2019-14232)

* the behavior of the underlying HTMLParser leading to DoS (CVE-2019-14233)

* SQL injection possibility in key and index lookups for
JSONField/HStoreField (CVE-2019-14234)

* Potential memory exhaustion in django.utils.encoding.uri_to_iri()
(CVE-2019-14235)

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/):

1724497 - CVE-2019-12781 Django: Incorrect HTTP detection with reverse-proxy connecting via HTTPS
1734405 - CVE-2019-14232 Django: backtracking in a regular expression in django.utils.text.Truncator leads to DoS
1734410 - CVE-2019-14233 Django: the behavior of the underlying HTMLParser leading to DoS
1734417 - CVE-2019-14234 Django: SQL injection possibility in key and index lookups for JSONField/HStoreField
1734422 - CVE-2019-14235 Django: Potential memory exhaustion in django.utils.encoding.uri_to_iri()

6. Package List:

Red Hat OpenStack Platform 15.0:

Source:
python-django-2.1.11-1.el8ost.src.rpm

noarch:
python-django-bash-completion-2.1.11-1.el8ost.noarch.rpm
python3-django-2.1.11-1.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-2019-12781
https://access.redhat.com/security/cve/CVE-2019-14232
https://access.redhat.com/security/cve/CVE-2019-14233
https://access.redhat.com/security/cve/CVE-2019-14234
https://access.redhat.com/security/cve/CVE-2019-14235
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 2020 Red Hat, Inc.
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