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Red Hat: RHSA-2020-4285-01 Moderate: XSS and CRLF Issues in Python

red hat
Calendar Grey October 19, 2020
Dist Redhat Esm H88
Updated Red Hat Advisory for rh-python36 introduces crucial security patches, bug resolutions, and improvements across multiple versions presently.
An update for rh-python36-python, rh-python36-python-pip, and rh-python36-python-virtualenv is now available for Red Hat Software Collections

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

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.
The following packages have been upgraded to a later upstream version: rh-python36-python (3.6.12). (BZ#1873080)
Security Fix(es):
* python: XSS vulnerability in the documentation XML-RPC server in server_title field (CVE-2019-16935)
* python: CRLF injection via the host part of the url passed to urlopen() (CVE-2019-18348)
* python: infinite loop in the tarfile module via crafted TAR archive (CVE-2019-20907)
* python-pip: directory traversal in _download_http_url() function in src/pip/_internal/download.py (CVE-2019-20916)
* python: wrong backtracking in urllib.request.AbstractBasicAuthHandler allows for a ReDoS (CVE-2020-8492)
* python: DoS via inefficiency in IPv{4,6}Interface classes (CVE-2020-14422)
* python: CRLF injection via HTTP request method in httplib/http.client (CVE-2020-26116)
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.
Bug Fix(es):
* rh-python36-python-pip: Contains multiple bundled libraries, and has no bundled() provides (BZ#1774951)
* Allow rh-python36-python-pip to use system CA certificate Trust (BZ#1826520)

Topics%20covered

Topics Covered

security advisory Red Hat update XSS bug fix web application python

References

https://access.redhat.com/security/cve/CVE-2019-16935 https://access.redhat.com/security/cve/CVE-2019-18348 https://access.redhat.com/security/cve/CVE-2019-20907 https://access.redhat.com/security/cve/CVE-2019-20916 https://access.redhat.com/security/cve/CVE-2020-8492 https://access.redhat.com/security/cve/CVE-2020-14422 https://access.redhat.com/security/cve/CVE-2020-26116 https://access.redhat.com/security/updates/classification#moderate

Package List

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6):
Source: rh-python36-python-3.6.12-1.el6.src.rpm rh-python36-python-pip-9.0.1-5.el6.src.rpm rh-python36-python-virtualenv-15.1.0-3.el6.src.rpm
noarch: rh-python36-python-pip-9.0.1-5.el6.noarch.rpm rh-python36-python-virtualenv-15.1.0-3.el6.noarch.rpm
x86_64: rh-python36-python-3.6.12-1.el6.x86_64.rpm rh-python36-python-debug-3.6.12-1.el6.x86_64.rpm rh-python36-python-debuginfo-3.6.12-1.el6.x86_64.rpm rh-python36-python-devel-3.6.12-1.el6.x86_64.rpm rh-python36-python-libs-3.6.12-1.el6.x86_64.rpm rh-python36-python-test-3.6.12-1.el6.x86_64.rpm rh-python36-python-tkinter-3.6.12-1.el6.x86_64.rpm rh-python36-python-tools-3.6.12-1.el6.x86_64.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6):
Source: rh-python36-python-3.6.12-1.el6.src.rpm rh-python36-python-pip-9.0.1-5.el6.src.rpm rh-python36-python-virtualenv-15.1.0-3.el6.src.rpm
noarch: rh-python36-python-pip-9.0.1-5.el6.noarch.rpm rh-python36-python-virtualenv-15.1.0-3.el6.noarch.rpm
x86_64: rh-python36-python-3.6.12-1.el6.x86_64.rpm rh-python36-python-debug-3.6.12-1.el6.x86_64.rpm rh-python36-python-debuginfo-3.6.12-1.el6.x86_64.rpm rh-python36-python-devel-3.6.12-1.el6.x86_64.rpm rh-python36-python-libs-3.6.12-1.el6.x86_64.rpm

Read the Full Advisory


Advisory ID: RHSA-2020:4285-01
Product: Red Hat Software Collections
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4285
Issue date: 2020-10-19

Topic

An update for rh-python36-python, rh-python36-python-pip, andrh-python36-python-virtualenv is now available for Red Hat SoftwareCollections.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 Red Hat update XSS bug fix web application python

Relevant Releases Architectures

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) - noarch, x86_64

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) - aarch64, noarch, ppc64le, s390x, x86_64

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) - noarch, ppc64le, s390x, x86_64

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) - noarch, ppc64le, s390x, x86_64

Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) - noarch, x86_64

Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64

Bugs Fixed

1727276 - CVE-2019-18348 python: CRLF injection via the host part of the url passed to urlopen()

1763229 - CVE-2019-16935 python: XSS vulnerability in the documentation XML-RPC server in server_title field

1809065 - CVE-2020-8492 python: wrong backtracking in urllib.request.AbstractBasicAuthHandler allows for a ReDoS

1826520 - Allow rh-python36-python-pip to use system CA certificate Trust

1854926 - CVE-2020-14422 python: DoS via inefficiency in IPv{4,6}Interface classes

1856481 - CVE-2019-20907 python: infinite loop in the tarfile module via crafted TAR archive

1868135 - CVE-2019-20916 python-pip: directory traversal in _download_http_url() function in src/pip/_internal/download.py

1873080 - Update the python interpreter to the latest bugfix release 3.6.12

1883014 - CVE-2020-26116 python: CRLF injection via HTTP request method in httplib/http.client

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