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Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : Wget vulnerabilities (USN-3943-1)

critical Nessus Plugin ID 123973

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Synopsis

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

Description

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3943-1 advisory.

 It was discovered that Wget incorrectly handled certain inputs. An attacker could possibly use this issue to access sensitive information. This issue only affected Ubuntu 18.04 LTS and Ubuntu 18.10.
 (CVE-2018-20483)

 Kusano Kazuhiko discovered that Wget incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. (CVE-2019-5953)

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 wget and / or wget-udeb packages.

See Also

https://ubuntu.com/security/notices/USN-3943-1

Plugin Details

Severity: Critical

ID: 123973

File Name: ubuntu_USN-3943-1.nasl

Version: 1.8

Type: local

Agent: unix

Published: 4/10/2019

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: 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-2019-5953

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: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:wget, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:wget-udeb, 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: 4/8/2019

Vulnerability Publication Date: 12/26/2018

Reference Information

CVE: CVE-2018-20483, CVE-2019-5953

USN: 3943-1