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Slackware Linux 15.0 / current python3 Vulnerability (SSA:2022-077-01)

medium Nessus Plugin ID 159068

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Synopsis

The remote Slackware Linux host is missing a security update to python3.

Description

The version of python3 installed on the remote host is prior to 3.9.11. It is, therefore, affected by a vulnerability as referenced in the SSA:2022-077-01 advisory.

 - The urllib3 library 1.26.x before 1.26.4 for Python omits SSL certificate validation in some cases involving HTTPS to HTTPS proxies. The initial connection to the HTTPS proxy (if an SSLContext isn't given via proxy_config) doesn't verify the hostname of the certificate. This means certificates for different servers that still validate properly with the default urllib3 SSLContext will be silently accepted.
 (CVE-2021-28363)

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

Solution

Upgrade the affected python3 package.

Plugin Details

Severity: Medium

ID: 159068

File Name: Slackware_SSA_2022-077-01.nasl

Version: 1.2

Type: local

Published: 3/18/2022

Updated: 3/18/2022

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.5

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

CVSS Score Source: CVE-2021-28363

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:slackware:slackware_linux:python3, cpe:/o:slackware:slackware_linux, cpe:/o:slackware:slackware_linux:15.0

Required KB Items: Host/local_checks_enabled, Host/Slackware/release, Host/Slackware/packages

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 3/15/2021

Reference Information

CVE: CVE-2021-28363