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centosCentOS ProjectCESA-2020:0851
HistoryMar 25, 2020 - 7:10 p.m.

python security update

2020-03-2519:10:05
CentOS Project
lists.centos.org
1321

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

0.011 Low

EPSS

Percentile

84.2%

CentOS Errata and Security Advisory CESA-2020:0851

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.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2020-March/085804.html

Affected packages:
python-virtualenv

Upstream details at:
https://access.redhat.com/errata/RHSA-2020:0851

OSVersionArchitecturePackageVersionFilename
CentOS7noarchpython-virtualenv< 15.1.0-4.el7_7python-virtualenv-15.1.0-4.el7_7.noarch.rpm

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

0.011 Low

EPSS

Percentile

84.2%