QID 239580

Date Published: 2021-09-01

QID 239580: Red Hat Update for rh-python38 (RHSA-2021:3254)

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-python38-python (3.8.11). (BZ#1969523)

Security Fix(es): python-cryptography: Bleichenbacher timing oracle attack against RSA decryption (CVE-2020-25659) python: Unsafe use of eval()
on data retrieved via HTTP in the test suite (CVE-2020-27619) python-lxml: mXSS due to the use of improper parser (CVE-2020-27783) python-jinja2: ReDoS vulnerability due to the sub-pattern (CVE-2020-28493) python-cryptography: Large inputs for symmetric encryption can trigger integer overflow leading to buffer overflow (CVE-2020-36242) python: Stack-based buffer overflow in PyCArg_repr in _ctypes/callproc.c (CVE-2021-3177) 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) 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 Software Collections (for RHEL Server) 1 for RHEL 7.7 x86_64
Red Hat Software Collections (for RHEL Server for System Z) 1 for RHEL 7.7 s390x
Red Hat Software Collections (for RHEL Server for IBM Power LE) 1 for RHEL 7.7 ppc64le
Red Hat Software Collections (for RHEL Server) 1 for RHEL 7 x86_64
Red Hat Software Collections (for RHEL Server for System Z) 1 for RHEL 7 s390x
Red Hat Software Collections (for RHEL Server for IBM Power LE) 1 for RHEL 7 ppc64le
Red Hat Software Collections (for RHEL Workstation) 1 for RHEL 7 x86_64

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 Applying Package Updates to RHEL system for details.

    Refer to Red Hat security advisory RHSA-2021:3254 to address this issue and obtain more information.

    Vendor References

    CVEs related to QID 239580

    CVE-2020-25659 | CVE-2020-27619 | CVE-2020-27783 | CVE-2020-28493 | CVE-2020-36242 | CVE-2021-3177 | CVE-2021-3426 | CVE-2021-3572 | CVE-2021-20095 | CVE-2021-23336 | CVE-2021-28957 | CVE-2021-29921 | CVE-2021-33503 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2021:3254 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2021:3254?language=en
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