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Ubuntu 16.04 LTS / 18.04 LTS : urllib3 vulnerabilities (USN-3990-1)

critical Nessus Plugin ID 125338

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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 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3990-1 advisory.

 It was discovered that urllib3 incorrectly removed Authorization HTTP headers when handled cross-origin redirects. This could result in credentials being sent to unintended hosts. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 18.10. (CVE-2018-20060)

 It was discovered that urllib3 incorrectly stripped certain characters from requests. A remote attacker could use this issue to perform CRLF injection. (CVE-2019-11236)

 It was discovered that urllib3 incorrectly handled situations where a desired set of CA certificates were specified. This could result in certificates being accepted by the default CA certificates contrary to expectations. This issue only affected Ubuntu 18.04 LTS, Ubuntu 18.10, and Ubuntu 19.04. (CVE-2019-11324)

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 python-urllib3 and / or python3-urllib3 packages.

See Also

https://ubuntu.com/security/notices/USN-3990-1

Plugin Details

Severity: Critical

ID: 125338

File Name: ubuntu_USN-3990-1.nasl

Version: 1.9

Type: local

Agent: unix

Published: 5/22/2019

Updated: 8/27/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

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-2019-11324

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

CVSS Score Source: CVE-2018-20060

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:python-urllib3, p-cpe:/a:canonical:ubuntu_linux:python3-urllib3, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts

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: 5/21/2019

Vulnerability Publication Date: 12/11/2018

Reference Information

CVE: CVE-2018-20060, CVE-2019-11236, CVE-2019-11324

USN: 3990-1