QID 239841

Date Published: 2021-11-11

QID 239841: Red Hat Update for python39:3.9 and python39-devel:3.9 (RHSA-2021:4160)

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: information disclosure via pydoc (cve-2021-3426)
python: urllib: regular expression dos in abstractbasicauthhandler (cve-2021-3733)
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)
python: urllib: http client possible infinite loop on a 100 continue response (cve-2021-3737)

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-2021:4160 Update to address this issue and obtain more information.

Vendor References

RHSA-2021:4160 - access.redhat.com/errata/RHSA-2021:4160

CVEs related to QID 239841

CVE-2021-3426 | CVE-2021-3572 | CVE-2021-3733 | CVE-2021-3737 | CVE-2021-28957 | CVE-2021-29921 | CVE-2021-33503 |

Software Advisories

Advisory ID	Software	Component	Link
RHSA-2021:4160	Red Hat Enterprise Linux		access.redhat.com/errata/RHSA-2021:4160

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