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

Synopsis:          Important: python-twisted-web security update
Advisory ID:       RHSA-2020:1561-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:1561
Issue date:        2020-04-23
CVE Names:         CVE-2020-10108 CVE-2020-10109 
====================================================================
1. Summary:

An update for python-twisted-web is now available for Red Hat Enterprise
Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Important. 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 Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

3. Description:

Twisted is an event-based framework for internet applications. Twisted Web
is a complete web server, aimed at hosting web applications using Twisted
and Python, but fully able to serve static pages too.

Security Fix(es):

* python-twisted: HTTP request smuggling when presented with two
Content-Length headers (CVE-2020-10108)

* python-twisted: HTTP request smuggling when presented with a
Content-Length and a chunked Transfer-Encoding header (CVE-2020-10109)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, 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/):

1813439 - CVE-2020-10108 python-twisted: HTTP request smuggling when presented with two Content-Length headers1813447 - CVE-2020-10109 python-twisted: HTTP request smuggling when presented with a Content-Length and a chunked Transfer-Encoding header

6. Package List:

Red Hat Enterprise Linux Client Optional (v. 7):

Source:
python-twisted-web-12.1.0-7.el7_8.src.rpm

x86_64:
python-twisted-web-12.1.0-7.el7_8.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

Source:
python-twisted-web-12.1.0-7.el7_8.src.rpm

x86_64:
python-twisted-web-12.1.0-7.el7_8.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

Source:
python-twisted-web-12.1.0-7.el7_8.src.rpm

ppc64:
python-twisted-web-12.1.0-7.el7_8.ppc64.rpm

ppc64le:
python-twisted-web-12.1.0-7.el7_8.ppc64le.rpm

s390x:
python-twisted-web-12.1.0-7.el7_8.s390x.rpm

x86_64:
python-twisted-web-12.1.0-7.el7_8.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

Source:
python-twisted-web-12.1.0-7.el7_8.src.rpm

x86_64:
python-twisted-web-12.1.0-7.el7_8.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-2020-10108
https://access.redhat.com/security/cve/CVE-2020-10109
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
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