RedHat: RHSA-2021-1633:01 Moderate: python3 security update
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.
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)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat
Enterprise Linux 8.4 Release Notes linked from the References section.
Summary
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
References
https://access.redhat.com/security/cve/CVE-2020-26116 https://access.redhat.com/security/cve/CVE-2020-27619 https://access.redhat.com/security/cve/CVE-2021-3177 https://access.redhat.com/security/cve/CVE-2021-23336 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.4_release_notes/
Package List
Red Hat Enterprise Linux AppStream (v. 8):
aarch64:
platform-python-debug-3.6.8-37.el8.aarch64.rpm
platform-python-devel-3.6.8-37.el8.aarch64.rpm
python3-debuginfo-3.6.8-37.el8.aarch64.rpm
python3-debugsource-3.6.8-37.el8.aarch64.rpm
python3-idle-3.6.8-37.el8.aarch64.rpm
python3-tkinter-3.6.8-37.el8.aarch64.rpm
ppc64le:
platform-python-debug-3.6.8-37.el8.ppc64le.rpm
platform-python-devel-3.6.8-37.el8.ppc64le.rpm
python3-debuginfo-3.6.8-37.el8.ppc64le.rpm
python3-debugsource-3.6.8-37.el8.ppc64le.rpm
python3-idle-3.6.8-37.el8.ppc64le.rpm
python3-tkinter-3.6.8-37.el8.ppc64le.rpm
s390x:
platform-python-debug-3.6.8-37.el8.s390x.rpm
platform-python-devel-3.6.8-37.el8.s390x.rpm
python3-debuginfo-3.6.8-37.el8.s390x.rpm
python3-debugsource-3.6.8-37.el8.s390x.rpm
python3-idle-3.6.8-37.el8.s390x.rpm
python3-tkinter-3.6.8-37.el8.s390x.rpm
x86_64:
platform-python-3.6.8-37.el8.i686.rpm
platform-python-debug-3.6.8-37.el8.i686.rpm
platform-python-debug-3.6.8-37.el8.x86_64.rpm
platform-python-devel-3.6.8-37.el8.i686.rpm
platform-python-devel-3.6.8-37.el8.x86_64.rpm
python3-debuginfo-3.6.8-37.el8.i686.rpm
python3-debuginfo-3.6.8-37.el8.x86_64.rpm
python3-debugsource-3.6.8-37.el8.i686.rpm
python3-debugsource-3.6.8-37.el8.x86_64.rpm
python3-idle-3.6.8-37.el8.i686.rpm
python3-idle-3.6.8-37.el8.x86_64.rpm
python3-test-3.6.8-37.el8.i686.rpm
python3-tkinter-3.6.8-37.el8.i686.rpm
python3-tkinter-3.6.8-37.el8.x86_64.rpm
Red Hat Enterprise Linux BaseOS (v. 8):
Source:
python3-3.6.8-37.el8.src.rpm
aarch64:
platform-python-3.6.8-37.el8.aarch64.rpm
python3-debuginfo-3.6.8-37.el8.aarch64.rpm
python3-debugsource-3.6.8-37.el8.aarch64.rpm
python3-libs-3.6.8-37.el8.aarch64.rpm
python3-test-3.6.8-37.el8.aarch64.rpm
ppc64le:
platform-python-3.6.8-37.el8.ppc64le.rpm
python3-debuginfo-3.6.8-37.el8.ppc64le.rpm
python3-debugsource-3.6.8-37.el8.ppc64le.rpm
python3-libs-3.6.8-37.el8.ppc64le.rpm
python3-test-3.6.8-37.el8.ppc64le.rpm
s390x:
platform-python-3.6.8-37.el8.s390x.rpm
python3-debuginfo-3.6.8-37.el8.s390x.rpm
python3-debugsource-3.6.8-37.el8.s390x.rpm
python3-libs-3.6.8-37.el8.s390x.rpm
python3-test-3.6.8-37.el8.s390x.rpm
x86_64:
platform-python-3.6.8-37.el8.x86_64.rpm
python3-debuginfo-3.6.8-37.el8.i686.rpm
python3-debuginfo-3.6.8-37.el8.x86_64.rpm
python3-debugsource-3.6.8-37.el8.i686.rpm
python3-debugsource-3.6.8-37.el8.x86_64.rpm
python3-libs-3.6.8-37.el8.i686.rpm
python3-libs-3.6.8-37.el8.x86_64.rpm
python3-test-3.6.8-37.el8.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
Topic
An update for python3 is now available for Red Hat Enterprise Linux 8.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.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64
Bugs Fixed
1868003 - python36: Support for alternative architectures' names in Python importlib
1883014 - CVE-2020-26116 python: CRLF injection via HTTP request method in httplib/http.client
1889886 - CVE-2020-27619 python: Unsafe use of eval() on data retrieved via HTTP in the test suite
1917691 - python3: pathfix.py does not support -a and -k options
1918168 - CVE-2021-3177 python: Stack-based buffer overflow in PyCArg_repr in _ctypes/callproc.c
1928904 - CVE-2021-23336 python: Web cache poisoning via urllib.parse.parse_qsl and urllib.parse.parse_qs by using a semicolon in query parameters