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Important Security Issues in Python-Twisted for Red Hat OpenStack 16.2

red hat
Calendar Grey March 23, 2022
Dist Redhat Esm H88
Red Hat OpenStack Platform 16.2 has been issued a vital security patch for python-twisted, tackling significant vulnerabilities.
An update for python-twisted is now available for Red Hat OpenStack Platform 16.2 (Train)

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 a networking engine written in Python, supporting numerous protocols. It contains a web server, numerous chat clients, chat servers, mail servers and more.
Security Fix(es):
* Secret exposure in cross-origin redirects of python-twisted (CVE-2022-21712) * SSH client and server denial of service during SSH handshake (CVE-2022-21716)
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.

Topics%20covered

Topics Covered

security advisory security update red hat important doS attack python-twisted cross-origin exposure

References

https://access.redhat.com/security/cve/CVE-2022-21712 https://access.redhat.com/security/cve/CVE-2022-21716 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat OpenStack Platform 16.2:
Source: python-twisted-16.4.1-19.el8ost.src.rpm
ppc64le: python-twisted-debugsource-16.4.1-19.el8ost.ppc64le.rpm python3-twisted-16.4.1-19.el8ost.ppc64le.rpm python3-twisted-debuginfo-16.4.1-19.el8ost.ppc64le.rpm
x86_64: python-twisted-debugsource-16.4.1-19.el8ost.x86_64.rpm python3-twisted-16.4.1-19.el8ost.x86_64.rpm python3-twisted-debuginfo-16.4.1-19.el8ost.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-2022:0992-01
Product: Red Hat OpenStack Platform
Advisory URL: https://access.redhat.com/errata/RHSA-2022:0992
Issue date: 2022-03-23

Topic

An update for python-twisted is now available for Red Hat OpenStackPlatform 16.2 (Train).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 security update red hat important doS attack python-twisted cross-origin exposure

Relevant Releases Architectures

Red Hat OpenStack Platform 16.2 - ppc64le, x86_64

Bugs Fixed

2051865 - CVE-2022-21712 dev-python/twisted: secret exposure in cross-origin redirects

2060960 - CVE-2022-21716 python-twisted: SSH client and server denial of service during SSH handshake

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