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GLSA-202005-09 : Python: Denial of service

medium Nessus Plugin ID 136639

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Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-202005-09 (Python: Denial of service)

 An issue was discovered in urllib.request.AbstractBasicAuthHandler which allowed a remote attacker to send malicious data causing extensive regular expression backtracking.
 Impact :

 An attacker could cause a possible Denial of Service condition.
 Workaround :

 There is no known workaround at this time.

Solution

All Python 2.7 users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=dev-lang/python-2.7.18-r2:2.7' All Python 3.6 users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=dev-lang/python-3.6.10-r2:3.6' All Python 3.7 users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=dev-lang/python-3.7.7-r2:3.7' All Python 3.8 users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=dev-lang/python-3.8.2-r2:3.8'

See Also

https://security.gentoo.org/glsa/202005-09

Plugin Details

Severity: Medium

ID: 136639

File Name: gentoo_GLSA-202005-09.nasl

Version: 1.5

Type: local

Published: 5/15/2020

Updated: 3/12/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.6

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

CVSS Score Source: CVE-2020-8492

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

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

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

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:python, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/14/2020

Vulnerability Publication Date: 1/30/2020

Reference Information

CVE: CVE-2020-8492

GLSA: 202005-09