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Red Hat Security Advisory
Synopsis: Moderate: python-urllib3 security update
Advisory ID: RHSA-2019:2272-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2272
Issue date: 2019-08-06
CVE Names: CVE-2018-20060 CVE-2019-11236
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1. Summary:
An update for python-urllib3 is now available for Red Hat Enterprise Linux
7.
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 Enterprise Linux Client (v. 7) – noarch
Red Hat Enterprise Linux ComputeNode (v. 7) – noarch
Red Hat Enterprise Linux Server (v. 7) – noarch
Red Hat Enterprise Linux Workstation (v. 7) – noarch
3. Description:
The python-urllib3 package provides the Python HTTP module with connection
pooling and file POST abilities.
Security Fix(es):
* python-urllib3: Cross-host redirect does not remove Authorization header
allow for credential exposure (CVE-2018-20060)
* python-urllib3: CRLF injection due to not encoding the ‘\r\n’ sequence
leading to possible attack on internal service (CVE-2019-11236)
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 7.7 Release Notes linked from 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/):
1649153 – CVE-2018-20060 python-urllib3: Cross-host redirect does not remove Authorization header allow for credential exposure
1700824 – CVE-2019-11236 python-urllib3: CRLF injection due to not encoding the ‘\r\n’ sequence leading to possible attack on internal service
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source:
python-urllib3-1.10.2-7.el7.src.rpm
noarch:
python-urllib3-1.10.2-7.el7.noarch.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source:
python-urllib3-1.10.2-7.el7.src.rpm
noarch:
python-urllib3-1.10.2-7.el7.noarch.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
python-urllib3-1.10.2-7.el7.src.rpm
noarch:
python-urllib3-1.10.2-7.el7.noarch.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
python-urllib3-1.10.2-7.el7.src.rpm
noarch:
python-urllib3-1.10.2-7.el7.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-2018-20060
https://access.redhat.com/security/cve/CVE-2019-11236
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.7_release_notes/index
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2019 Red Hat, Inc.
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