Scientific Linux Security Update : python3 on SL7.x i686/x86_64 (2020:5010)

high Nessus Plugin ID 142819


New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.


The remote Scientific Linux host is missing one or more security updates.


The remote Scientific Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the SLSA-2020:5010-1 advisory.

- python: infinite loop in the tarfile module via crafted TAR archive (CVE-2019-20907)

- python: DoS via inefficiency in IPv{4,6}Interface classes (CVE-2020-14422)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.


Update the affected packages.

See Also

Plugin Details

Severity: High

ID: 142819

File Name: sl_20201110_python3_on_SL7_x.nasl

Version: 1.3

Type: local

Agent: unix

Published: 11/12/2020

Updated: 11/24/2020

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2019-20907


Risk Factor: Medium

Score: 4.4


Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Temporal Vector: E:U/RL:OF/RC:C


Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:fermilab:scientific_linux, p-cpe:/a:fermilab:scientific_linux:python3, p-cpe:/a:fermilab:scientific_linux:python3-debug, p-cpe:/a:fermilab:scientific_linux:python3-debuginfo, p-cpe:/a:fermilab:scientific_linux:python3-devel, p-cpe:/a:fermilab:scientific_linux:python3-idle, p-cpe:/a:fermilab:scientific_linux:python3-libs, p-cpe:/a:fermilab:scientific_linux:python3-test, p-cpe:/a:fermilab:scientific_linux:python3-tkinter

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 11/10/2020

Vulnerability Publication Date: 6/18/2020

Reference Information

CVE: CVE-2019-20907, CVE-2020-14422