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Ubuntu 18.04 LTS : pip vulnerability (USN-4601-1)

high Nessus Plugin ID 141820

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 18.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4601-1 advisory.

 - The pip package before 19.2 for Python allows Directory Traversal when a URL is given in an install command, because a Content-Disposition header can have ../ in a filename, as demonstrated by overwriting the /root/.ssh/authorized_keys file. This occurs in _download_http_url in _internal/download.py.
 (CVE-2019-20916)

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

Solution

Update the affected python-pip, python-pip-whl and / or python3-pip packages.

See Also

https://ubuntu.com/security/notices/USN-4601-1

Plugin Details

Severity: High

ID: 141820

File Name: ubuntu_USN-4601-1.nasl

Version: 1.5

Type: local

Agent: unix

Published: 10/22/2020

Updated: 10/21/2023

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: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2019-20916

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:python-pip, p-cpe:/a:canonical:ubuntu_linux:python-pip-whl, p-cpe:/a:canonical:ubuntu_linux:python3-pip

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: 10/22/2020

Vulnerability Publication Date: 9/4/2020

Reference Information

CVE: CVE-2019-20916

USN: 4601-1