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Red Hat Security Advisory 2021-2116-01

Red Hat Security Advisory 2021-2116-01
Posted May 26, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2116-01 - A comprehensive HTTP client library that supports many features left out of other HTTP libraries. Issues addressed include crlf injection and denial of service vulnerabilities.

tags | advisory, web, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2020-11078, CVE-2021-21240
MD5 | 8ffa2daa5c90e7cf947d54066b7a9160

Red Hat Security Advisory 2021-2116-01

Change Mirror Download
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====================================================================
Red Hat Security Advisory

Synopsis: Moderate: Red Hat OpenStack Platform 16.1.6 (python-httplib2) security update
Advisory ID: RHSA-2021:2116-01
Product: Red Hat OpenStack Platform
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2116
Issue date: 2021-05-26
CVE Names: CVE-2020-11078 CVE-2021-21240
====================================================================
1. Summary:

An update for python-httplib2 is now available for Red Hat OpenStack
Platform 16.1 (Train).

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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 OpenStack Platform 16.1 - noarch

3. Description:

A comprehensive HTTP client library that supports many features left out of
other HTTP libraries.

Security Fix(es):

* CRLF injection via an attacker controlled unescaped part of uri for
httplib2.Http.request function (CVE-2020-11078)

* Regular expression denial of service via malicious header
(CVE-2021-21240)

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.

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/):

1845937 - CVE-2020-11078 python-httplib2: CRLF injection via an attacker controlled unescaped part of uri for httplib2.Http.request function
1926885 - CVE-2021-21240 python-httplib2: Regular expression denial of service via malicious header

6. Package List:

Red Hat OpenStack Platform 16.1:

Source:
python-httplib2-0.13.1-2.el8ost.src.rpm

noarch:
python3-httplib2-0.13.1-2.el8ost.noarch.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-2020-11078
https://access.redhat.com/security/cve/CVE-2021-21240
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2021 Red Hat, Inc.
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