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Ubuntu 16.04 ESM / 18.04 ESM : BusyBox vulnerabilities (USN-6335-1)

critical Nessus Plugin ID 180472

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Synopsis

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

Description

The remote Ubuntu 16.04 ESM / 18.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6335-1 advisory.

 - decompress_gunzip.c in BusyBox through 1.32.1 mishandles the error bit on the huft_build result pointer, with a resultant invalid free or segmentation fault, via malformed gzip data. (CVE-2021-28831)

 - There is a stack overflow vulnerability in ash.c:6030 in busybox before 1.35. In the environment of Internet of Vehicles, this vulnerability can be executed from command to arbitrary code execution.
 (CVE-2022-48174)

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-6335-1

Plugin Details

Severity: Critical

ID: 180472

File Name: ubuntu_USN-6335-1.nasl

Version: 1.0

Type: local

Agent: unix

Published: 9/4/2023

Updated: 9/4/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2021-28831

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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:U/RL:O/RC:C

CVSS Score Source: CVE-2022-48174

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:udhcpd, p-cpe:/a:canonical:ubuntu_linux:udhcpc, p-cpe:/a:canonical:ubuntu_linux:busybox, cpe:/o:canonical:ubuntu_linux:18.04:-:esm, p-cpe:/a:canonical:ubuntu_linux:busybox-initramfs, p-cpe:/a:canonical:ubuntu_linux:busybox-static, p-cpe:/a:canonical:ubuntu_linux:busybox-syslogd, cpe:/o:canonical:ubuntu_linux:16.04:-:esm

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/4/2023

Vulnerability Publication Date: 3/19/2021

Reference Information

CVE: CVE-2021-28831, CVE-2022-48174

USN: 6335-1