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Ubuntu 18.04 LTS / 20.04 LTS : BusyBox vulnerability (USN-4531-1)

high Nessus Plugin ID 140736

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 18.04 LTS / 20.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4531-1 advisory.

 - Busybox contains a Missing SSL certificate validation vulnerability in The busybox wget applet that can result in arbitrary code execution. This attack appear to be exploitable via Simply download any file over HTTPS using busybox wget https://compromised-domain.com/important-file. (CVE-2018-1000500)

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 packages.

See Also

https://ubuntu.com/security/notices/USN-4531-1

Plugin Details

Severity: High

ID: 140736

File Name: ubuntu_USN-4531-1.nasl

Version: 1.4

Type: local

Agent: unix

Published: 9/22/2020

Updated: 10/20/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2018-1000500

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:busybox, p-cpe:/a:canonical:ubuntu_linux:busybox-initramfs, p-cpe:/a:canonical:ubuntu_linux:busybox-static, p-cpe:/a:canonical:ubuntu_linux:busybox-syslogd, p-cpe:/a:canonical:ubuntu_linux:busybox-udeb, p-cpe:/a:canonical:ubuntu_linux:udhcpc, p-cpe:/a:canonical:ubuntu_linux:udhcpd

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/22/2020

Vulnerability Publication Date: 6/26/2018

Reference Information

CVE: CVE-2018-1000500

USN: 4531-1