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Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-4591-1)

high Nessus Plugin ID 141541

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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 / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4591-1 advisory.

 - Improper input validation in BlueZ may allow an unauthenticated user to potentially enable escalation of privilege via adjacent access. (CVE-2020-12351)

 - Improper access control in BlueZ may allow an unauthenticated user to potentially enable information disclosure via adjacent access. (CVE-2020-12352)

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 kernel package.

See Also

https://ubuntu.com/security/notices/USN-4591-1

Plugin Details

Severity: High

ID: 141541

File Name: ubuntu_USN-4591-1.nasl

Version: 1.7

Type: local

Agent: unix

Published: 10/20/2020

Updated: 1/9/2024

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

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.5

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

CVSS Score Source: CVE-2020-12351

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

Vector: CVSS:3.0/AV:A/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:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1090-snapdragon, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1100-oem, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-122-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-122-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-122-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-1022-raspi, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-52-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-52-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-52-lowlatency

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: 10/19/2020

Vulnerability Publication Date: 10/19/2020

Reference Information

CVE: CVE-2020-12351, CVE-2020-12352

USN: 4591-1