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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
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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 headers
1813447 – 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 <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
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