RHSA-2020:4390 - Security Advisory

Topic

An update for python-django is now available for Red Hat OpenStack Platform
13 (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.

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.

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

Affected Products

• Red Hat OpenStack for IBM Power 13 ppc64le
• Red Hat OpenStack 13 x86_64

Fixes

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

CVEs

• CVE-2019-12781
• CVE-2019-14232
• CVE-2019-14233
• CVE-2019-14234
• CVE-2019-14235

References

• https://access.redhat.com/security/updates/classification/#moderate