QID 239323

Date Published: 2021-05-20

QID 239323: Red Hat Update for python3 (RHSA-2021:1633)

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: CRLF injection via HTTP request method in httplib/http.client (CVE-2020-26116) python: Unsafe use of eval()
on data retrieved via HTTP in the test suite (CVE-2020-27619) python: Stack-based buffer overflow in PyCArg_repr in _ctypes/callproc.c (CVE-2021-3177) python: Web cache poisoning via urllib.parse.parse_qsl and urllib.parse.parse_qs by using a semicolon in query parameters (CVE-2021-23336)

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

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-2021:1633 to address this issue and obtain more information.

    Vendor References

    CVEs related to QID 239323

    CVE-2020-26116 | CVE-2020-27619 | CVE-2021-3177 | CVE-2021-23336 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2021:1633 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2021:1633?language=en
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