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Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Python vulnerabilities (USN-4754-1)

critical Nessus Plugin ID 147997

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4754-1 advisory.

 It was discovered that Python incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code or cause a denial of service. (CVE-2020-27619, CVE-2021-3177)

Tenable has extracted the preceding description block directly from the Ubuntu 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 affected packages.

See Also

https://ubuntu.com/security/notices/USN-4754-1

Plugin Details

Severity: Critical

ID: 147997

File Name: ubuntu_USN-4754-1.nasl

Version: 1.5

Type: local

Agent: unix

Published: 3/23/2021

Updated: 8/27/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2021-3177

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:python3.5, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:python3.6-examples, p-cpe:/a:canonical:ubuntu_linux:libpython3.6, p-cpe:/a:canonical:ubuntu_linux:idle-python3.5, p-cpe:/a:canonical:ubuntu_linux:python2.7-examples, p-cpe:/a:canonical:ubuntu_linux:python3.4, p-cpe:/a:canonical:ubuntu_linux:python3.6-minimal, p-cpe:/a:canonical:ubuntu_linux:idle-python3.8, p-cpe:/a:canonical:ubuntu_linux:libpython3.5, p-cpe:/a:canonical:ubuntu_linux:libpython2.7-dev, p-cpe:/a:canonical:ubuntu_linux:idle-python2.7, p-cpe:/a:canonical:ubuntu_linux:python3.5-venv, p-cpe:/a:canonical:ubuntu_linux:python3.6-venv, p-cpe:/a:canonical:ubuntu_linux:libpython3.4-dev, p-cpe:/a:canonical:ubuntu_linux:libpython3.5-dev, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libpython2.7-minimal, p-cpe:/a:canonical:ubuntu_linux:libpython2.7, p-cpe:/a:canonical:ubuntu_linux:libpython2.7-testsuite, p-cpe:/a:canonical:ubuntu_linux:python2.7-dev, p-cpe:/a:canonical:ubuntu_linux:python3.6, p-cpe:/a:canonical:ubuntu_linux:libpython3.8-dev, p-cpe:/a:canonical:ubuntu_linux:python3.4-examples, p-cpe:/a:canonical:ubuntu_linux:libpython3.6-minimal, p-cpe:/a:canonical:ubuntu_linux:python3.5-examples, p-cpe:/a:canonical:ubuntu_linux:libpython3.8-minimal, p-cpe:/a:canonical:ubuntu_linux:python3.4-minimal, p-cpe:/a:canonical:ubuntu_linux:libpython3.6-dev, p-cpe:/a:canonical:ubuntu_linux:libpython3.5-minimal, p-cpe:/a:canonical:ubuntu_linux:libpython3.6-testsuite, p-cpe:/a:canonical:ubuntu_linux:python3.6-dev, p-cpe:/a:canonical:ubuntu_linux:libpython3.8, p-cpe:/a:canonical:ubuntu_linux:libpython3.5-testsuite, p-cpe:/a:canonical:ubuntu_linux:libpython3.6-stdlib, p-cpe:/a:canonical:ubuntu_linux:python3.8-minimal, p-cpe:/a:canonical:ubuntu_linux:python3.5-dev, p-cpe:/a:canonical:ubuntu_linux:python2.7-minimal, p-cpe:/a:canonical:ubuntu_linux:python3.8-examples, p-cpe:/a:canonical:ubuntu_linux:libpython3.4, p-cpe:/a:canonical:ubuntu_linux:python2.7, p-cpe:/a:canonical:ubuntu_linux:python3.4-venv, p-cpe:/a:canonical:ubuntu_linux:idle-python3.4, p-cpe:/a:canonical:ubuntu_linux:python3.5-minimal, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:python3.8, p-cpe:/a:canonical:ubuntu_linux:python3.4-dev, p-cpe:/a:canonical:ubuntu_linux:libpython2.7-stdlib, p-cpe:/a:canonical:ubuntu_linux:python3.8-venv, p-cpe:/a:canonical:ubuntu_linux:libpython3.5-stdlib, p-cpe:/a:canonical:ubuntu_linux:idle-python3.6, p-cpe:/a:canonical:ubuntu_linux:libpython3.4-testsuite, p-cpe:/a:canonical:ubuntu_linux:libpython3.8-testsuite, p-cpe:/a:canonical:ubuntu_linux:libpython3.4-stdlib, p-cpe:/a:canonical:ubuntu_linux:libpython3.4-minimal, p-cpe:/a:canonical:ubuntu_linux:libpython3.8-stdlib, p-cpe:/a:canonical:ubuntu_linux:python3.8-dev

Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/25/2021

Vulnerability Publication Date: 10/22/2020

Reference Information

CVE: CVE-2020-27619, CVE-2021-3177

USN: 4754-1