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Red Hat: RHSA-2020-1561-01 Important Python-Twisted-Web Security Issues

red hat
Calendar Grey April 23, 2020
Dist Redhat Esm H88
Significant announcement regarding python-twisted-web reveals serious security vulnerabilities affecting Red Hat environments. Discover the full details immediately.
An update for python-twisted-web is now available for Red Hat Enterprise Linux 7

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

Summary

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.

Topics%20covered

Topics Covered

security advisory update important red-hat python-twisted-web http-issues

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

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/


Severity
important
Lowest
Low
Medium
High
Critical

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

Topic

An update for python-twisted-web is now available for Red Hat EnterpriseLinux 7.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory update important red-hat python-twisted-web http-issues

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

Bugs Fixed

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

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