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RHEL 8 : python3 (RHSA-2020:4433)
medium Nessus Plugin ID 142400
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Synopsis
The remote Red Hat host is missing one or more security updates for python3.Description
The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:4433 advisory.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: XSS vulnerability in the documentation XML-RPC server in server_title field (CVE-2019-16935)
* python: infinite loop in the tarfile module via crafted TAR archive (CVE-2019-20907)
* python: wrong backtracking in urllib.request.AbstractBasicAuthHandler allows for a ReDoS (CVE-2020-8492)
* python: DoS via inefficiency in IPv{4,6}Interface classes (CVE-2020-14422)
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 8.3 Release Notes linked from the References section.
Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Update the RHEL python3 package based on the guidance in RHSA-2020:4433.See Also
http://www.nessus.org/u?1e9fbe2c
http://www.nessus.org/u?b7e37d18
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/errata/RHSA-2020:4433
https://bugzilla.redhat.com/show_bug.cgi?id=1724996
https://bugzilla.redhat.com/show_bug.cgi?id=1763229
https://bugzilla.redhat.com/show_bug.cgi?id=1772992
https://bugzilla.redhat.com/show_bug.cgi?id=1809065
https://bugzilla.redhat.com/show_bug.cgi?id=1814392
https://bugzilla.redhat.com/show_bug.cgi?id=1851090
Plugin Details
Severity: Medium
ID: 142400
File Name: redhat-RHSA-2020-4433.nasl
Version: 1.11
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 11/4/2020
Updated: 6/4/2024
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 4.3
Temporal Score: 3.4
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSS Score Source: CVE-2019-16935
CVSS v3
Risk Factor: Medium
Base Score: 6.1
Temporal Score: 5.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:python3-libs, p-cpe:/a:redhat:enterprise_linux:python3, p-cpe:/a:redhat:enterprise_linux:python3-test, p-cpe:/a:redhat:enterprise_linux:python3-idle, p-cpe:/a:redhat:enterprise_linux:python3-tkinter, p-cpe:/a:redhat:enterprise_linux:platform-python, p-cpe:/a:redhat:enterprise_linux:platform-python-devel, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:platform-python-debug
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 11/4/2020
Vulnerability Publication Date: 9/28/2019
Reference Information
CVE: CVE-2019-16935, CVE-2019-20907, CVE-2020-14422, CVE-2020-8492