RedHat: RHSA-2020-0851:01 Moderate: python-virtualenv security update
Summary
The virtualenv tool creates isolated Python environments. The virtualenv
tool is a successor to workingenv, and an extension of virtual-python.
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)
* python-requests: Redirect from HTTPS to HTTP does not remove
Authorization header (CVE-2018-18074)
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.
Summary
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
References
https://access.redhat.com/security/cve/CVE-2018-18074 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
Package List
Red Hat Enterprise Linux Client Optional (v. 7):
Source:
python-virtualenv-15.1.0-4.el7_7.src.rpm
noarch:
python-virtualenv-15.1.0-4.el7_7.noarch.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
Source:
python-virtualenv-15.1.0-4.el7_7.src.rpm
noarch:
python-virtualenv-15.1.0-4.el7_7.noarch.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
python-virtualenv-15.1.0-4.el7_7.src.rpm
noarch:
python-virtualenv-15.1.0-4.el7_7.noarch.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
python-virtualenv-15.1.0-4.el7_7.src.rpm
noarch:
python-virtualenv-15.1.0-4.el7_7.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/
Topic
An update for python-virtualenv 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.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux Client Optional (v. 7) - noarch
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch
Red Hat Enterprise Linux Server (v. 7) - noarch
Red Hat Enterprise Linux Workstation (v. 7) - noarch
Bugs Fixed
1643829 - CVE-2018-18074 python-requests: Redirect from HTTPS to HTTP does not remove Authorization header
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