QID 239845

Date Published: 2021-11-11

QID 239845: Red Hat Update for python38:3.8 and python38-devel:3.8 (RHSA-2021:4162)

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.

Security Fix(es):

python-psutil: double free because of refcount mishandling (cve-2019-18874)
python-jinja2: redos vulnerability in the urlize filter (cve-2020-28493)
python: information disclosure via pydoc (cve-2021-3426)
python-babel: relative path traversal allows attacker to load arbitrary locale files and execute arbitrary code (cve-2021-20095, cve-2021-42771)
python: web cache poisoning via urllib.parse.parse_qsl and urllib.parse.parse_qs by using a semicolon in query parameters (cve-2021-23336)
python-lxml: missing input sanitization for formaction html5 attributes may lead to xss (cve-2021-28957)
python-ipaddress: improper input validation of octal strings (cve-2021-29921)
python-urllib3: redos in the parsing of authority part of url (cve-2021-33503)
python-pip: incorrect handling of unicode separators in git references (cve-2021-3572)

Affected Products:

Red Hat enterprise linux for x86_64 8 x86_64
Red Hat enterprise linux for ibm z systems 8 s390x
Red Hat enterprise linux for power, little endian 8 ppc64le
Red Hat enterprise linux for arm 64 8 aarch64
Red Hat codeready linux builder for x86_64 8 x86_64
Red Hat codeready linux builder for power, little endian 8 ppc64le
Red Hat codeready linux builder for arm 64 8 aarch64
Red Hat codeready linux builder for ibm z systems 8 s390x

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

On successful exploitation, it could allow an attacker to execute code.

CVSS V3 rated as Critical - 9.8 severity.

CVSS V2 rated as High - 7.5 severity.

Solution

Upgrade to the latest packages which contain a patch.

Refer to Refer to :
Applying Package Updates to RHEL system for details.

Refer to Red Hat security advisory RHSA-2021:4162 Update to address this issue and obtain more information.

Vendor References

RHSA-2021:4162 - access.redhat.com/errata/RHSA-2021:4162

CVEs related to QID 239845

CVE-2019-18874 | CVE-2020-28493 | CVE-2021-3426 | CVE-2021-3572 | CVE-2021-20095 | CVE-2021-23336 | CVE-2021-28957 | CVE-2021-29921 | CVE-2021-33503 | CVE-2021-42771 |

Software Advisories

Advisory ID	Software	Component	Link
RHSA-2021:4162	Red Hat Enterprise Linux		access.redhat.com/errata/RHSA-2021:4162

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