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RedHat: RHSA-2020-0851 Moderate: python-virtualenv Credential Exposure

red hat
Calendar Grey March 17, 2020
Dist Redhat Esm H88
An update addressing multiple moderate-risk vulnerabilities for python-virtualenv has been released for Red Hat Enterprise Linux 7.
An update for python-virtualenv 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

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 ' ' 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.

Topics%20covered

Topics Covered

security advisory moderate cross-site scripting red hat enterprise linux credentials exposure authorization header python-virtualenv

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/


Advisory ID: RHSA-2020:0851-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0851
Issue date: 2020-03-17

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.

Topics%20covered

Topics Covered

security advisory moderate cross-site scripting red hat enterprise linux credentials exposure authorization header python-virtualenv

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 '

' sequence leading to possible attack on internal service

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