RedHat: RHSA-2022-1986:01 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: ftplib should not use the host from the PASV response
(CVE-2021-4189)
* python: urllib: HTTP client possible infinite loop on a 100 Continue
response (CVE-2021-3737)
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 8.6 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-2021-3737 https://access.redhat.com/security/cve/CVE-2021-4189 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.6_release_notes/
Package List
Red Hat Enterprise Linux AppStream (v. 8):
aarch64:
platform-python-debug-3.6.8-45.el8.aarch64.rpm
platform-python-devel-3.6.8-45.el8.aarch64.rpm
python3-debuginfo-3.6.8-45.el8.aarch64.rpm
python3-debugsource-3.6.8-45.el8.aarch64.rpm
python3-idle-3.6.8-45.el8.aarch64.rpm
python3-tkinter-3.6.8-45.el8.aarch64.rpm
ppc64le:
platform-python-debug-3.6.8-45.el8.ppc64le.rpm
platform-python-devel-3.6.8-45.el8.ppc64le.rpm
python3-debuginfo-3.6.8-45.el8.ppc64le.rpm
python3-debugsource-3.6.8-45.el8.ppc64le.rpm
python3-idle-3.6.8-45.el8.ppc64le.rpm
python3-tkinter-3.6.8-45.el8.ppc64le.rpm
s390x:
platform-python-debug-3.6.8-45.el8.s390x.rpm
platform-python-devel-3.6.8-45.el8.s390x.rpm
python3-debuginfo-3.6.8-45.el8.s390x.rpm
python3-debugsource-3.6.8-45.el8.s390x.rpm
python3-idle-3.6.8-45.el8.s390x.rpm
python3-tkinter-3.6.8-45.el8.s390x.rpm
x86_64:
platform-python-3.6.8-45.el8.i686.rpm
platform-python-debug-3.6.8-45.el8.i686.rpm
platform-python-debug-3.6.8-45.el8.x86_64.rpm
platform-python-devel-3.6.8-45.el8.i686.rpm
platform-python-devel-3.6.8-45.el8.x86_64.rpm
python3-debuginfo-3.6.8-45.el8.i686.rpm
python3-debuginfo-3.6.8-45.el8.x86_64.rpm
python3-debugsource-3.6.8-45.el8.i686.rpm
python3-debugsource-3.6.8-45.el8.x86_64.rpm
python3-idle-3.6.8-45.el8.i686.rpm
python3-idle-3.6.8-45.el8.x86_64.rpm
python3-test-3.6.8-45.el8.i686.rpm
python3-tkinter-3.6.8-45.el8.i686.rpm
python3-tkinter-3.6.8-45.el8.x86_64.rpm
Red Hat Enterprise Linux BaseOS (v. 8):
Source:
python3-3.6.8-45.el8.src.rpm
aarch64:
platform-python-3.6.8-45.el8.aarch64.rpm
python3-debuginfo-3.6.8-45.el8.aarch64.rpm
python3-debugsource-3.6.8-45.el8.aarch64.rpm
python3-libs-3.6.8-45.el8.aarch64.rpm
python3-test-3.6.8-45.el8.aarch64.rpm
ppc64le:
platform-python-3.6.8-45.el8.ppc64le.rpm
python3-debuginfo-3.6.8-45.el8.ppc64le.rpm
python3-debugsource-3.6.8-45.el8.ppc64le.rpm
python3-libs-3.6.8-45.el8.ppc64le.rpm
python3-test-3.6.8-45.el8.ppc64le.rpm
s390x:
platform-python-3.6.8-45.el8.s390x.rpm
python3-debuginfo-3.6.8-45.el8.s390x.rpm
python3-debugsource-3.6.8-45.el8.s390x.rpm
python3-libs-3.6.8-45.el8.s390x.rpm
python3-test-3.6.8-45.el8.s390x.rpm
x86_64:
platform-python-3.6.8-45.el8.x86_64.rpm
python3-debuginfo-3.6.8-45.el8.i686.rpm
python3-debuginfo-3.6.8-45.el8.x86_64.rpm
python3-debugsource-3.6.8-45.el8.i686.rpm
python3-debugsource-3.6.8-45.el8.x86_64.rpm
python3-libs-3.6.8-45.el8.i686.rpm
python3-libs-3.6.8-45.el8.x86_64.rpm
python3-test-3.6.8-45.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
1995162 - CVE-2021-3737 python: urllib: HTTP client possible infinite loop on a 100 Continue response
2003758 - threading wait(timeout) doesn't return after timeout if system clock is set backward
2009200 - python3 TimedRotatingFileHandler does not raise exception if given path is device (/dev/null) and turns it into a file
2036020 - CVE-2021-4189 python: ftplib should not use the host from the PASV response