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Ubuntu 16.04 ESM : LZ4 vulnerability (USN-4968-2)

critical Nessus Plugin ID 150712

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 16.04 ESM host has packages installed that are affected by a vulnerability as referenced in the USN-4968-2 advisory.

 USN-4968-1 fixed a vulnerability in LZ4. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.



Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

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 liblz4-1, liblz4-dev and / or liblz4-tool packages.

See Also

https://ubuntu.com/security/notices/USN-4968-2

Plugin Details

Severity: Critical

ID: 150712

File Name: ubuntu_USN-4968-2.nasl

Version: 1.7

Type: local

Agent: unix

Published: 6/11/2021

Updated: 10/29/2024

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: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2021-3520

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:liblz4-1, cpe:/o:canonical:ubuntu_linux:16.04:-:esm, p-cpe:/a:canonical:ubuntu_linux:liblz4-dev, p-cpe:/a:canonical:ubuntu_linux:liblz4-tool

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/31/2021

Vulnerability Publication Date: 5/31/2021

Reference Information

CVE: CVE-2021-3520

USN: 4968-2