Home / mailings [RHSA-2020:0720-01] Low: python-waitress security update
Posted on 05 March 2020
RedHat===================================================================== Red Hat Security Advisory
Synopsis: Low: python-waitress security update
Advisory ID: RHSA-2020:0720-01
Product: Red Hat OpenStack Platform
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0720
Issue date: 2020-03-05
CVE Names: CVE-2019-16785 CVE-2019-16786 CVE-2019-16789
=====================================================================
1. Summary:
An update for python-waitress is now available for Red Hat OpenStack
Platform 15 (Stein).
Red Hat Product Security has rated this update as having a security impact
of Low. 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:
Waitress is a pure Python WSGI server which supports HTTP/1.0 and HTTP/1.1.
Security Fix(es):
* HTTP request smuggling through LF vs CRLF handling (CVE-2019-16785)
* HTTP request smuggling through invalid Transfer-Encoding (CVE-2019-16786)
* HTTP Request Smuggling through Invalid whitespace characters in headers
(CVE-2019-16789)
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/):
1789807 - CVE-2019-16789 waitress: HTTP Request Smuggling through Invalid whitespace characters in headers
1791415 - CVE-2019-16786 waitress: HTTP request smuggling through invalid Transfer-Encoding
1791420 - CVE-2019-16785 waitress: HTTP request smuggling through LF vs CRLF handling
6. Package List:
Red Hat OpenStack Platform 15.0:
Source:
python-waitress-1.4.2-1.el8ost.src.rpm
noarch:
python3-waitress-1.4.2-1.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-2019-16785
https://access.redhat.com/security/cve/CVE-2019-16786
https://access.redhat.com/security/cve/CVE-2019-16789
https://access.redhat.com/security/updates/classification/#low
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.
