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RHSA-2020-1091-01: Moderate CRLF Vulnerabilities in python-twisted-web

red hat
Calendar Grey March 31, 2020
Scroller Redhat
A crucial security patch for python-twisted-web has been issued for Red Hat Enterprise Linux 7, tackling significant vulnerabilities.
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: Improper neutralization of CRLF characters in URIs and HTTP methods (CVE-2019-12387)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.8 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate security update Red Hat Enterprise python-twisted-web CRLF HTTP methods

References

https://access.redhat.com/security/cve/CVE-2019-12387 https://access.redhat.com/security/updates/classification#moderate https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/7.8_release_notes/index

Package List

Red Hat Enterprise Linux Client Optional (v. 7):
Source: python-twisted-web-12.1.0-6.el7.src.rpm
x86_64: python-twisted-web-12.1.0-6.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
Source: python-twisted-web-12.1.0-6.el7.src.rpm
x86_64: python-twisted-web-12.1.0-6.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
Source: python-twisted-web-12.1.0-6.el7.src.rpm
ppc64: python-twisted-web-12.1.0-6.el7.ppc64.rpm
ppc64le: python-twisted-web-12.1.0-6.el7.ppc64le.rpm
s390x: python-twisted-web-12.1.0-6.el7.s390x.rpm
x86_64: python-twisted-web-12.1.0-6.el7.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
Source: python-twisted-web-12.1.0-6.el7.src.rpm
x86_64: python-twisted-web-12.1.0-6.el7.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


Advisory ID: RHSA-2020:1091-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1091
Issue date: 2020-03-31

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 Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate security update Red Hat Enterprise python-twisted-web CRLF HTTP methods

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

1719501 - CVE-2019-12387 python-twisted: Improper neutralization of CRLF characters in URIs and HTTP methods

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